DOCSLIB.ORG

Plant Fossils from Dubrajpur Significance in Formation, Bihar

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Plant Fossils from Dubrajpur Significance in Formation, Bihar Plant fossils from Dubrajpur Formation, Bihar and their significance in stratigraphy Ja;'Jsri Banerji Banerji. Jayasri 1990. I'lanl fossils frllm J)ubralPur Form:llion. Bihar and their significance in stratigrap!l\' 11/: J11I1. K. 1'. &. Ti\yari, R. ~. (cds)-I'roc. S)'IlIjJ. ·1·i.,las il/ I/ldiall l>aICl<!obo!aIly'. J>a/(,l<!obulallisl 38 122·1.30. -n1e paper deab \\'ilh the plant fossils of J)ubrajpur Formation exp()~ed at Khatangi Hill in the Raim:lhal Basin. Bihar 11lC assemhlage is dllmin;lled Iw (\·cacloplwleo. lhllug!l pleridllp!l\'les are quile frequent. Cllnifers :Ire poorl~' represented. llH.: genera UllychiojJsis, Clem·s. Taelliupleris and I'agiuphyllll!ll art' recllrded for the first time. In \'iew of the presel1l finding the age llf th" Khatangi scdimen!' is discussed. The dominance of (Ycldllpll\leS and pllor repre,entati()[l of cllnifers inclicale subtropical to tmpical climate pre\'ailing :It thal lime. Key-words-I\\egafossih. Pteridop!l\les. C\·cadophqes. Conifers. J)uhr'ljpur l'urmation. L'pper Jurassic (India 1. .!ayasri IJallerji. 15lrbal Sal'" I Ii/Slilllll! of I'alaeobulall.l', 'H l'llil'er"il)' Road, !.IICRIIO/1" 116 (J07, Illdia ~~T ~ .~-~ 'lR'{-3N~ ~ ~ firw if ll' ,PIT fiHI'4"lll1 if ;;mm ~ ~ ~~ ~ ~ ~tor-~ 'ft~!I QR'IT~"Il'f ~ ~ ~ if if l3lCflfi if 3RT<lfuf <liT 'i'f'I'R lJ1lT I eft m'hI$<!1 ~ QR'IT~'l ~ ~ ~i1T qri! ~ it 3!fU<!> 1f&rr it fI:R<'t ?, <ilt<$sl'hlt<!l qrW <tit fr,1 3f?l mr if rmt 'Til tl ~ qn~ ~ ~ ~ ~ ~ ~3lIftmf, ilf.m, i'tf';f~ 'lT11<li it om: 3!f'llfufu<r <tit 1Ji I ~$"f QR'ITM~<$ ~ ~ ~ ~ 1i1$J;shls<!l'~'1 ~ ~ WHR q< ~ <tit <tit <tit 1Ji I <tit ,PIT <tit 3f?l 1f&rr 'ft '$ ~ ~ ~ '34161JI<Ii[leHlm it ;j61JI<MceHlm <liT <Wra \'iti1T I OLDHAl'vl (1863 in: Oldham & Morris, 1963) first Ptilophyll1l1l1 aClltijolium, Nilssonia princeps, recognised Dubrajpur beds as a distinct horizon and Macrolaeniopleris lata and Williamsonia sp. of early named it after the \'iJlage Dubrajpur in the Rajm3hal Middle Jurassic age. Sen Gupta (1984, 1985) carried Hills. Ball (1877) mapped this area and reported out e\.'tensive work on Khatangi Hill section as well Ptilophyllllm fronds from Dubrajpur beds. Later, as the designated type section of Dubrajpur Sri vasta va (19<>8), Sah ( 196<» and Sen Gupta ( 1988) Formation at Sarwan Pahar near Dubrajpur Village. recorded various fossil assemblages from Dubrajpur According to him, basal zone-A of Sah and Shah Forrnation exposed at Khatangi Hill near Kharikasol (1974), i.e., Glossopteris- Vertebraria assemblage, Village, Rajmahal Hills, Bihar (see Table 1) and belongs to the Barakar Formation and the upper proposed \'arious ages for the Ptilophyllllm-bearing 7.one-B comprising Ptilophyl!um-Gleichenites beds of Dubrajpur Formation assemblage belongs to Dubrajpur Formation (Lower Sah and Shah (1974) made twO biozones within Jurassic). Sukh-Dev (1988) assessed an Early Dubrajpu'r Formation The basal zone-A, comprising Cretaceous age for the latter assemblage. Tiwari et Glossopleris communis, G. ampla, G. retlJera, G al (1983) rccogni zed six paJynoassemblage zones parallela and Vertebraria indica of Upper Permian from the subsurface sequence of Dubrajpur affinity and the upper zone-B consisting of Formation as well as Intenrappean beds. They dated NJarattiopsis macrocalpa, Gleicheniles gleichenoides, palynoassembl3ge zones A·C as Carnian-Norian, and l22 l3ANER.lI-I'l.AJ\lT FOSSIlS FI~OM DU13RA.lPliR FORI"lATlON 123 zones D-F as Late Jurassic/Early Cretaceous, Singh Cleichenites gleichenoides (Oldham & Morris) and Venkatachala (1988) reassigned zones D-F to be Seward & Sahni 1920 Early Cretaceous. Genus- Culcitites Appert 1973 The present investigations are based on plant fossils collected from Khatangi Hill. These plant Culcitites madagascariensis Appert 1973< remains are preserved as impressions on greyish­ 196=; ?ThinnJeldia sp., Sah, p 219, pI. 1, fig. 3. white shales. All the specimens have been deposited 1965 jlJicrophJilopteris sp., Sah, p 219, pL 1, fig. 5. at the Birbal Sahni Institute of Palaeobotanv ivluseum. 1988 ThirlnJeldia kbatangiensis, Sen Gupta, p. 75, pL 12, fjg. 32; pI. 15, fig. 40; text-fig. 17 (for details DESCRIPTION see Banerji, 1988) Filicales Unclassified ferns Genus- Gleichenites Goeppert 1836 Genus- Onychtopsts Yokoyama 1889 Cleichenites gleichenoides (Oldhan, & l'vlorris") Onycbiopsis Sp. Seward & Sahni 1920 PI 1, figs 2, 3; Text-fig. JA PI. 1, fig. 1 Descnption-Fronds probably tripinnate, best Remarks-In gross morphological features, the available specimen about 2.5 em in length. Ultimate present specimens are similar to those of pinnae sub-oppositely attached at an angle of 60°- Table I-Plant fossil assemblages recorded by different authors from Dubrajpur Formation at Khatangi Hill Srivastava, 19')8 Sah, 1965 Sen Gupta, 1988 Present assemblage FILlCAlES: FILICALES: FILICALES: FILICALES: Gleicheniles sp. Gleicheniles gleichenoides Gleicbeniles gleicbenoides Gleicbeniles gleichenoides Maralliopsis sp. (Oldham & Morris! (Oldham & Morris) (Oidium & Morris! Seward & Sahni Seward & Sahni Seward & Sahni Cutcililes madagascariensis Appen UNClASSIFIED FERNS: UNCLASSIFIED FERNS UNClASSIFIED FERNS: UNCLA.c;SI FI ED FERNS: Cladophlebis sp. Cladopbtebis indica Cladophlebis indica Cladopblebis indica Sphenopleris sp. (Oldham & JVlorris) (Oldham & Morris) (Oldham & Morris) Pecopleris sp Sahni & Rao Sahni & Rao Sahni & Rao Cladophlebis sp. Onychiopsis sp. Microphyllopleris sp. CYCADALES: PTERIDOSPERMAlES: PTERIDOSPERNlAlES Nitssonia sp. ?Thinnjeldia sp. 7binnjeldia kbalangiensis sp. nov. BENNETTITAlES BENNE1TITAI.ES: OENNETTITALES: BENNETTITALES: Olozamiles sp. Plerophyllllm sp. Plilophylillm aculijolium Plilopbyllum cUlcbense Williamsonia sp. Morris Morris Plilopbyllum aculijolillll1 Pleropbyllum fissum Plilopbyllllm aculijolium Feistmantel Williamsonia sp. Plerophyllllm dislans Morris Plerophyllurn sp. d. P. jooleanull1 Feistmantel CYCADALES: CYCADALES: CYCADALES: Nilssonia princeps Taeniopleris crenala Nilssonia sp. (Oldham & Morris) McClelland Glenis rajmabatensis n. sp. Nitssonia sp. Taeniopleris sp. ef. Macrolaeniopleris lala T oldbamii Bose & Banerji (Oldham & Morris) Taeniopleris sp. Sahni CONIFERALES: CONIFERALES Elalocladus conjerla Pagiopbyllum sp. (Oldham & Morris! Sahni 124 THE PALAEOBOTANIST 70°, linear to lanceolate in shape, largest ultimate Cladophleb is indica -Die tyozami tes indic us pinna 1 em long and 2.5 mm broad. Pinnule-lobing assemblage zone of Middle to Upper Jurassic and towards base complete but towards distal end lobing absent in Ptilophyllum acutiJolium-Gleichenites incomplete at places. Pinnules oblanceolate to gleichenoides zone of KhaLangi Hill. elliptical in shape, measuring 1.5-2 x 1-1.5 mm, Ptilophyllum acutiJulium Morris 1840 margin entire, apex subacute to obtuse, attached by broad decurrent base. Venation mostly PI. 1, fig. 9 inconspicuous. Proximal pinnules with forked or Remarks-A few specimens resembling P. unforked veins; rest, at places, showing keeled acutiJolium are present in the collections. midvein appearing to be fertile. Genus- Williamsonia Carruthers 1870 Remarks-Five frond fragments have been recovered but their fertile nature is uncertain. The Williamsonia sr. specimens are comparable with Onychiopsis PI. I, figs 5, 7 elongata (Geyler) Yokoyama (1889, pI. 12, fig. 10) in size and shape of sterile pinnules. Sukh-Dev (1970) Description-Flower large, incomplete, about considered 0 elongata and 0 paradoxus Bose & 10-14 em in length and 7 em in width; base of the Sukh-Dev 1959 as junior synonyms of 0 psilotoides flower probably rhomboidal, gradually tapering (Stokes & Webb) Ward but Kimura and Aiba ( 1986) towards apex, bracts numerous, more than 12 in maintain 0 elongata as the type species of this number, 5-6 mm broad, surface of bracts striate, genus. prOXimal portion of bracts hairless but distal portion hairy; hairs up to 8 mm long. Genus- Cladophlebis Brongnian 1849 Comparison-Only two specimens are found, Cladophlebis indica (Oldham & Morris) Sahni & Rao one (PI. 1, fig. 5) shOWing proximal part with 1933 hairless bracts and the other (PI. 1, fig. 7) shOWing PI. 1, fig. 4 distal part of bracts with profuse hairs. Although both the specimens are described here as Comparison-Cladophlebis indica is common in Williamsonia sp., there is a possibility of existence the assemblage. These forms are similar to the of twO different species. sterile frond of (Oldham Morris) Todites indicus & In their large size, the present specimens Bose & Sah described from various other localities of resemble Williamsonia indica Seward 1917 and W Rajmahal Basin. But due to lack of fertile fronds from sahnii Gupta 1943. But the specimen with profuse this locality, they are being placed provisionally hairy bracts resembles W. sahnii and the other one under (Oldham & Morris) Sahni Cladophlebis indica compares with W. indica having hairless bracts. & Rao 1933. Bennettitales Genus- Pterophyllum Brongnian 1828 Genus- Ptilophyllum Morris 1840 Pterophyllum distans Morris 1863 PI. fig. 10 Ptilophyllum cutchense Morris 1840 1, PI. 1, fig. 6 Comparison-The specimen of Pterophyllum Remarks-According to Sen Gupta (1988, p. distans from Khatangi Hill, except for smaller pinnae 103) Ptilophyllum Cll tchense Morris is restricted to is similar to those of the same species from Kutch PLATE 1 -- 1. Gte/cben/tes gte/cheno/des (Oldham & Morris) Seward & Sahni, 36250. x 1 a fragmem of frond bearing small deltoid pinnules, Specimen 6. Ptilophyllum culchense Morris. shOWing overlapping pinnate no. BSIP 36244, x I leaves. Specimen no. BSIP 36262
Load more

Recommended publications
  • The Lower Cretaceous Flora of the Gates Formation from Western Canada
    The Lower Cretaceous Flora of the Gates Formation from Western Canada A Shesis Submitted to the College of Graduate Studies and Research in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in the Department of Geological Sciences Univ. of Saska., Saskatoon?SI(, Canada S7N 3E2 b~ Zhihui Wan @ Copyright Zhihui Mian, 1996. Al1 rights reserved. National Library Bibliothèque nationale 1*1 of Canada du Canada Acquisitions and Acquisitions et Bibliographic Services services bibliographiques 395 Wellington Street 395. rue Wellington Ottawa ON KlA ON4 Ottawa ON K1A ON4 Canada Canada The author has granted a non- L'auteur a accordé une licence non exclusive licence allowing the exclusive permettant à la National Libraxy of Canada to Bibliothèque nationale du Canada de reproduce, loan, distribute or sell reproduire, prêter, distribuer ou copies of this thesis in microfom, vendre des copies de cette thèse sous paper or electronic formats. la fome de microfiche/nlm, de reproduction sur papier ou sur foxmat électronique. The author retains ownership of the L'auteur conserve la propriété du copyright in this thesis. Neither the droit d'auteur qui protège cette thèse. thesis nor substantial extracts fiom it Ni la thèse ni des extraits substantiels may be printed or otherwise de celle-ci ne doivent être imprimés reproduced without the author's ou autrement reproduits sans son permission. autorisation. College of Graduate Studies and Research SUMMARY OF DISSERTATION Submitted in partial fulfillment of the requirernents for the DEGREE OF DOCTOR OF PHILOSOPHY ZHIRUI WAN Depart ment of Geological Sciences University of Saskatchewan Examining Commit tee: Dr.
    [Show full text]
  • Diversity Variation, Distribution Pattern, and Evolutionary Implicat
    +Model PALWOR-305; No. of Pages 20 ARTICLE IN PRESS Available online at www.sciencedirect.com ScienceDirect Palaeoworld xxx (2015) xxx–xxx A systematic overview of fossil osmundalean ferns in China: Diversity variation, distribution pattern, and evolutionary implications a,f,g b,c,∗ d b e Ning Tian , Yong-Dong Wang , Man Dong , Li-Qin Li , Zi-Kun Jiang a College of Palaeontology, Shenyang Normal University, Shenyang 110034, China b Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China c Key Laboratory of Economic Stratigraphy and Palaeogeography, Chinese Academy of Sciences, Nanjing 210008, China d College of Geosciences, Yangtze University, Wuhan 430100, China e Chinese Academy of Geological Sciences, Beijing 100037, China f State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China g Key Laboratory for Evolution of Past Life in Northeast Asia, Ministry of Land and Resources, Shenyang 110034, China Received 7 August 2014; received in revised form 9 December 2014; accepted 12 May 2015 Abstract The order Osmundales is a unique fern taxon with extensive fossil records in geological past. Diverse osmundalean fossils have been reported from China, ranging in age from the Late Palaeozoic to the Cenozoic. Most of them are based on leaf impressions/compressions, but permineralized rhizomes are also well documented. In this study, we provide a systematic overview on fossil osmundalean ferns in China with special references on diversity variations, distribution patterns, and evolutionary implications. Fossil evidence indicates that this fern lineage first appeared in the Late Palaeozoic in China.
    [Show full text]
  • 669-14373-2-LE Maquetación 1
    AMEGHINIANA - 2013 - Tomo 50 (5): 493 – 508 ISSN 0002-7014 REVISIÓN DE LA PALEOFLORA DE LA FORMACIÓN NESTARES (JURÁSICO TEMPRANO), PROVINCIAS DEL NEUQUÉN Y RÍO NEGRO, ARGENTINA EDUARDO M. MOREL1, 2, DANIEL G. GANUZA1, ANALÍA E. ARTABE1, 3 Y LUIS A. SPALLETTI3,4 1División Paleobotánica, Facultad de Ciencias Naturales y Museo, Universidad Nacional de la Plata, Pasaje Teruggi s/nº, Paseo del Bosque, B1900FWA La Plata, Provincia de Buenos Aires, Argentina. [email protected]; [email protected]; [email protected] 2Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC), Argentina. 3Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina. 4Centro de Investigaciones Geológicas, Avenida 1 nº 644, B1900TAC La Plata, Provincia de Buenos Aires, Argentina. [email protected] Resumen. En esta contribución se realizó la revisión de la paleoflora de la Formación Nestares, aflorante en ambas márgenes del Río Limay, en las inmediaciones del dique de Alicurá, sector noroccidental del Macizo Nordpatagónico, provincias de Río Negro y Neuquén, Argentina. Se midió un perfil sedimentológico, se identificaron cuatro estratos fosilíferos y su estudio permitió la determinación sistemática de 18 taxo- nes, 12 previamente descriptos para esta localidad= Neocalamites carrerei (Zeiller) Halle, Marattia muensteri (Goeppert) Zeiller, Goeppertella diazii Arrondo y Petriella, Kurtziana brandmayri Frenguelli, K. cacheutensis (Kurtz) Frenguelli, Taeniopteris sp., Otozamites albosaxatilis Herbst, O. ameghinoi Kurtz, O. bechei Brongniart, O. hislopii (Oldham) Feistmantel, Ptilophyllum acutifolium Morris en Grant, Elatocladus confertus (Oldham y Morris) Halle y seis nuevos= Equisetites frenguellii Orlando, Archangelskya protoloxsoma (Kurtz) Herbst, Sagenopteris nilssoniana (Brongniart) Ward, Nilssonia taeniopteroides Halle, O.
    [Show full text]
  • Leppe & Philippe Moisan
    CYCADALES Y CYCADEOIDALES DEL TRIÁSICO DELRevista BIOBÍO Chilena de Historia Natural475 76: 475-484, 2003 76: ¿¿-??, 2003 Nuevos registros de Cycadales y Cycadeoidales del Triásico superior del río Biobío, Chile New records of Upper Triassic Cycadales and Cycadeoidales of Biobío river, Chile MARCELO LEPPE & PHILIPPE MOISAN Departamento de Botánica, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Casilla 160-C, Concepción, Chile; e-mail: [email protected] RESUMEN Se entrega un aporte al conocimiento de las Cycadales y Cycadeoidales presentes en los sedimentos del Triásico superior de la Formación Santa Juana (Cárnico-Rético) de la Región del Biobío, Chile. Los grupos están representados por las especies Pseudoctenis longipinnata Anderson & Anderson, Pseudoctenis spatulata Du Toit y Pterophyllum azcaratei Herbst & Troncoso, y se propone una nueva especie Pseudoctenis truncata nov. sp. Las especies se encuentran junto a otros elementos típicos de las asociaciones paleoflorísticas del borde suroccidental del Gondwana. Palabras clave: Triásico superior, paleobotánica, Cycadales, Cycadeoidales. ABSTRACT A contribution to the knowledge of Cycadales and Cycadeoidales present in the Upper Triassic of the Santa Juana Formation (Carnian-Raetian) in the Bio-Bío Region of Chile is provided. The groups are represented by the species Pseudoctenis longipinnata Anderson & Anderson, Pseudoctenis spatulata Du Toit and Pterophyllum azcaratei Herbst & Troncoso. A new species Pseudoctenis truncata nov. sp. is described. They appear to be related to other typical elements of the paleofloristic assamblages from the south-occidental border of Gondwanaland. Key words: Upper Triassic, paleobotany, Cycadales, Cycadeoidales. INTRODUCCIÓN vasculares (Stewart & Rothwell 1993, Taylor & Taylor 1993). Sin embargo, se reconoce la exis- Frecuentemente se ha tratado a las Cycadeoida- tencia de una brecha morfológica entre ambos les (Bennettitales) y a las Cycadales como parte grupos, ya que a diferencia de las Medullosa- de las Cycadophyta.
    [Show full text]
  • The Ferns of the Late Ladinian, Middle Triassic Flora from Monte Agnello, Dolomites, Italy
    The ferns of the late Ladinian, Middle Triassic flora from Monte Agnello, Dolomites, Italy EVELYN KUSTATSCHER, ELIO DELLANTONIO, and JOHANNA H.A. VAN KONIJNENBURG-VAN CITTERT Kustatscher, E., Dellantonio, E., and Van Konijnenburg-van Cittert, J.H.A. 2014. The ferns of the late Ladinian, Middle Triassic flora from Monte Agnello, Dolomites, Italy. Acta Palaeontologica Polonica 59 (3): 741–755. Several fern remains are described from the para-autochthonous early late Ladinian flora of the Monte Agnello (Dolo- mites, N-Italy). The plants are preserved in subaerially deposited pyroclastic layers. Some ferns, known already from the Anisian and Ladinian of this area, are confirmed (Neuropteridium elegans), but several taxa are described for the first time (Phlebopteris fiemmensis sp. nov., Cladophlebis ladinica sp. nov., Chiropteris monteagnellii sp. nov.). Cladophle- bis sp. and some indeterminable fern remains cannot yet be assigned to any family. Phlebopteris fiemmensis is now the oldest formally established species in the genus. The fern family Dipteridaceae (Thaumatopteris sp. and some fragments probably belonging to the Dipteridaceae because of their venation) has not been recorded previously from European sediments as old as the Ladinian. Although stratigraphically attributed to the late Ladinian, the flora is markedly distinct from other Ladinian floras of the Dolomites and the Germanic Basin. The flora from Monte Agnello shows a higher di- versity in ferns than coeval floras from this area although characteristic elements of the Ladinian of the Dolomites such as Anomopteris and Gordonopteris are missing. The new flora misses also the Marattiales (e.g., Danaeopsis, Asterotheca) and other elements such as Sphenopteris schoenleiniana, typical for the Ladinian of the Germanic Basin.
    [Show full text]
  • Osmunda Pulchella Sp. Nov. from the Jurassic of Sweden
    Bomfleur et al. BMC Evolutionary Biology (2015) 15:126 DOI 10.1186/s12862-015-0400-7 RESEARCH ARTICLE Open Access Osmunda pulchella sp. nov. from the Jurassic of Sweden—reconciling molecular and fossil evidence in the phylogeny of modern royal ferns (Osmundaceae) Benjamin Bomfleur1*, Guido W. Grimm1,2 and Stephen McLoughlin1 Abstract Background: The classification of royal ferns (Osmundaceae) has long remained controversial. Recent molecular phylogenies indicate that Osmunda is paraphyletic and needs to be separated into Osmundastrum and Osmunda s.str. Here, however, we describe an exquisitely preserved Jurassic Osmunda rhizome (O. pulchella sp. nov.) that combines diagnostic features of both Osmundastrum and Osmunda, calling molecular evidence for paraphyly into question. We assembled a new morphological matrix based on rhizome anatomy, and used network analyses to establish phylogenetic relationships between fossil and extant members of modern Osmundaceae. We re-analysed the original molecular data to evaluate root-placement support. Finally, we integrated morphological and molecular data-sets using the evolutionary placement algorithm. Results: Osmunda pulchella and five additional Jurassic rhizome species show anatomical character suites intermediate between Osmundastrum and Osmunda. Molecular evidence for paraphyly is ambiguous: a previously unrecognized signal from spacer sequences favours an alternative root placement that would resolve Osmunda s.l. as monophyletic. Our evolutionary placement analysis identifies fossil species as probable ancestral members of modern genera and subgenera, which accords with recent evidence from Bayesian dating. Conclusions: Osmunda pulchella is likely a precursor of the Osmundastrum lineage. The recently proposed root placement in Osmundaceae—based solely on molecular data—stems from possibly misinformative outgroup signals in rbcL and atpA genes.
    [Show full text]
  • The Jurassic Plants from Shitaka (The Maizuru Coal-Field), Prov
    Title The Jurassic Plants from Shitaka (the Maizuru Coal-field), Prov. Tango (Kyôto Prefecture), Japan Author(s) Ôishi, Saburô Citation Journal of the Faculty of Science, Hokkaido Imperial University. Ser. 4, Geology and mineralogy, 2(1), 1-14 Issue Date 1932-11 Doc URL http://hdl.handle.net/2115/35750 Type bulletin (article) File Information 2(1)_1-14.pdf Instructions for use Hokkaido University Collection of Scholarly and Academic Papers : HUSCAP THE YURASSXC PLAN arS FROM SwnllTAKA (THE MAXZURU'COALpFXELD), PROV. TANGO (KYOTO A PREFEC'ffrURE), JAPAN By Sabur6 AOIsm valth 3 Plates ancl 1 Text-PiguTe. The geology of the so-ca]Ied Maizuru eoal-field, about 8 km. SWW ' of ]YIaizuru, and the surrounding area was first mentioned by D. YAMA- smTA in 1895 in the IExpianatory Text to the Geological Map in 11200,OeO; Sheet Hieizan. But he did not announce the occurrence of any Mesozoic fossil plants there, and only correlated the coal seams to those of the Cretaceous age developed in the Islands of Amakusa. In l897, Dr. [[7. 0GAwA(') also touched upon the geology of the ]Mresozoic area in his study on the basie eruptive rocks of northern Tamba and ealled the coal-bearing series, in which he found some fossil plants, the Shitaka Series. He enumerated the following fossil plants col- lected from Shital<a where the main anthraeite searns are being worked now and mentioned that they indicate the Mesozoic age of the plant-beds; they are: Zamiophyllum sp. Podozamites lanceolatus Aspleniu7n ToesseTti ? Taeniopteris Of these Zamiophyllum sp. may be a fragment of Cfr.
    [Show full text]
  • Ferns from the Chinle Formation (Upper Triassic) in the Fort Wingate Area, New Mexico
    Ferns From the Chinle Formation (Upper Triassic) in the Fort Wingate Area, New Mexico GEOLOGICAL SURVEY PROFESSIONAL PAPER 613-D Ferns From the Chinle Formation (Upper Triassic) in the Fort Wingate Area, New Mexico By SIDNEY R. ASH CONTRIBUTIONS TO PALEONTOLOGY GEOLOGICAL SURVEY PROFESSIONAL PAPER 613-D Revision ofJive Late Triassic ferns and a review of previous paleobotanical investigations in the Triassic formations of the Southwest UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1969 UNITED STATES DEPARTMENT OF THE INTERIOR WALTER J. HICKEL, Secretary GEOLOGICAL SURVEY William T. Pecora, Director For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402 - Price ?1.00 (paper cover) CONTENTS Page Summary of pre-Cenozoic stratigraphy Continued !*w Abstract.__________________________________________ Dl Permian System_______-____----__-_-_-----____- D17 Introduction. ______________________________________ 1 Glorieta Sandstone___________-_----____-__ 17 Acknowledgments. _____________________________ 4 San Andres Limestone.____________________ 17 Previous investigations ______________________________ 4 Unconformity between the Permian and Triassic U.S. Army exploring expeditions..________________ 5 rocks._______-_-______-__--_--_-----_--_-_-__ 19 Washington expedition._____________________ 5 Triassic System_______________________________ 19 Sitgreaves expedition._______________________ 5 Moenkopi(?) Formation.____________________ 19 Whipple expedition _________________________ 5 Pre-Chinle
    [Show full text]
  • Mesozoic Lycopods and Ferns from the Bureja Basin
    Palaeontographica Abt. В 166 Lfg. 1-3 16—29 Stuttgart, August, 1978 MESOZOIC LYCOPODS AND FERNS FROM THE BUREJA BASIN BY VALENTIN KRASSILOV, Vladivostok*) With 11 plates and 1 figure in the text Abstract Lycopods Lycopodites macrostomus sp. nov. and Synlycostrobus tyrmensis gen. et sp. nov. (leafy shoots, cuticles, strobili, spores) and ferns Osmunda diamensis (SEW.) comb, nov., Klukia tyganensis KRASSIL., Dicksonia concinna HEER (= Coniopteris burejensis (ZAL.) SEW.), D. arctica (PRYN.) comb. nov. and Cyatbea tyrmensis (SEW.) comb. nov. (leaf morphology, indusia, sporangia, spores) are de- scribed from the Late Jurassic — Early Cretaceous strata of the Bureja basin. Thermophilous ferns came from the southern localities about 50° North suggesting a rather steep temperature gradient. Fertile shoots of Synlycostrobus resembled the compound strobilus of conifers evidencing the high evolutionary potential of the Mesozoic lycopods. Osmunda probably originated in the Siberian pro- vince. Most species of Coniopteris had bivalvate (not cup-shaped) indusia as in Dicksonia or Cibotium. In the Cyatheaceae, indusia probably evolved from hemitelioid to cyatheoid. Contents Introduction 16 Stratigraphy 17 Description 17 Lycopodites macrostomus sp. nov 17 Synlycostrobus tyrmensis gen. et sp. nov 18 Osmunda diamensis (SEWARD) comb, nov 19 Klukia tyganensis KRASSILOV 20 Dicksonia concinna HEER 21 Dicksonia arctica (PRYNADA) comb, nov 22 Cyathea tyrmensis (SEWARD) comb, nov 23 Palaeoecology 23 Evolutionary significance 24 Summary 26 References 26 Explanation of Plates 27 Introduction 1976 was a centennial year for paleobotany in Siberia and the Amurland. Initial work of OSWALD HEER (1876) based on the collections furnished by F. B. SCHMIDT in 1859, not only brought to light the fossil floras of northern Asia, but also challenged a widely held belief in universal homogeneity of Jurassic vegetation and climate.
    [Show full text]
  • Fossil Coniferous Wood from the Middle Jurassic of Liaoning Province, China ⁎ Hong-En Jiang A,B, David K
    Available online at www.sciencedirect.com Review of Palaeobotany and Palynology 150 (2008) 37–47 www.elsevier.com/locate/revpalbo Fossil coniferous wood from the Middle Jurassic of Liaoning Province, China ⁎ Hong-En Jiang a,b, David K. Ferguson c, Cheng-Sen Li a,d, , Ye-Ming Cheng e a State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China b Academia Turfanica of Xinjiang Uygur Autonomous Region, Turpan 838000, China c Institute of Palaeontology, University of Vienna, Althanstraβe 14, A-1090 Vienna, Austria d Beijing Museum of Natural History, Beijing 100050, China e Geological Museum of China, Beijing 100034, China Received 20 April 2006; received in revised form 8 January 2008; accepted 15 January 2008 Available online 1 February 2008 Abstract Silicified coniferous wood was collected from the Lanqi Formation (late Middle Jurassic in age) at Shebudaigou Village, Liaoning Province, China. Three taxa are identified, namely Pinoxylon dacotense Knowlton, Xenoxylon phyllocladoides Gothan, and Araucariopitys sp. Based on these new data, and those of other fossil plants reported previously from the same formation, we consider the climate during the deposition of the Lanqi Formation was subtropical, humid and seasonal. In this respect the Lanqi flora differs from the coeval Shimengou and Longmen floras from North China. The Longmen flora was deposited during more humid, subtropical conditions, while the Shimengou Formation indicates that the climate was warm temperate and dry. Our data would suggest that the Late Jurassic climatic pattern was initiated as early as the late Middle Jurassic. © 2008 Elsevier B.V.
    [Show full text]
  • The Dinosaurs (Carnosaurs, Allosaurids, Sauropods, Cetiosaurids) of the Middle Jurassic of Cerro Cóndor (Chubut, Argentina)*
    Annales de Paléontologie (Vert.-Invert.) 1986, vol. 72, no. 4, pp. 325-386. ______ THE DINOSAURS (CARNOSAURS, ALLOSAURIDS, SAUROPODS, CETIOSAURIDS) OF THE MIDDLE JURASSIC OF CERRO CÓNDOR (CHUBUT, ARGENTINA)* by J. F. BONAPARTE ________ Key-words: Dinosaurs. Carnosauria. Allosauridae. Sauropoda. Cetiosauridae. Anatomy. Middle Jurassic. Argentina. * CONICET MACN, Museo “B. Rivadavia”, Avenida Angel Gallardo 470, 1405 Buenos Aires, Argentina. Translation: B. LANGE-BADRE. * Original citation: Bonaparte, J. F. 1986. Les dinosaures (Carnosaures, Allosauridés, Sauropodes, Cétosauridés) du Jurassique Moyen de Cerro Cóndor (Chubut, Argentina). Annales de Paléontologie (Vert.-Invert.) 72(3):247- 289. Translated by Matthew Carrano, University of Chicago, October 1995. Abstract. - The stratigraphy and the dinosaurs of the Middle Jurassic (Callovian of Cerro Cóndor) of west-central Chubut province (Patagonia, Argentina) are briefly described. Piatnitzkysaurus floresi Bonaparte (1979) is an allosaurid carnosaur known from a large part of the skeleton. The basicranium of this species is different from that of Allosaurus fragilis, Ceratosaurus nasicornis, Acrocanthosaurus atokensis, Piveteausaurus divesensis and Dilophosaurus wetherilli and shows some similarities to that of Eustreptospondylus oxoniensis. The postcranial skeleton has similarities to that of Allosaurus fragilis, although it has many plesiomorphic characters relative to the North American species: the pubis has a completely closed obturator foramen and a less developed distal process; the femur is directed anteromedially at its head and not medially as in A. fragilis; the tibia is more gracile and the cnemial crest less developed in Piatnitzkysaurus floresi. Many elements of the postcranial skeleton are hollowed by pneumatic cavities. Patagosaurus fariasi Bonaparte (1979) is a cetiosaurid sauropod represented by several incomplete specimens, providing considerable information about the postcranial skeleton.
    [Show full text]
  • (Nestares Formation) in Northern Patagonia, Argentina. Part 1. Terrestrial Species
    AMEGHINIANA (Rev. Asoc. Paleontol. Argent.) - 40 (4): 545-558. Buenos Aires, 30-12-2003 ISSN 0002-7014 Palynostratigraphy and paleoenvironments of Early Jurassic strata (Nestares Formation) in northern Patagonia, Argentina. Part 1. Terrestrial species Ana María ZAVATTIERI1 and Wolfgang VOLKHEIMER1 Abstract. A palynologic analysis is presented of the Early Jurassic Nestares Formation at its type locality, on both sides of the Limay river, Alicurá dam, at Neuquén and Río Negro provinces boundary, northern Patagonia, Argentina. In this first part the terrestrial species (spores and pollen grains) of the microflora are listed, illustrated and, in some cases, commented on. The geologic context is reviewed and different paleoenvironmental interpretations, one as a paralic sequence and another as an anastomosing fluvial sys- tem, both based on earlier sedimentologic studies, are considered. The microflora is compared with the known record of the megaflora and the botanical affinities of the components of the microflora are pro- posed. Thirty nine of the species of miospores illustrated and listed are recorded for the first time in the Early Jurassic of Argentina. The terrestrial taxonomic diversity is represented by 48 species of Bryophyte/Pteridophyte spores and 23 species of Gymnospermous pollen grains, versus five species of Pteridophytes and 17 Gymnosperm species known from the the megaflora; thus the microfloristic biodi- versity record is larger than the megafloristic one. Resumen. PALINOESTRATIGRAFÍA Y PALEOAMBIENTES DE ESTRATOS DEL JURÁSICO TEMPRANO (FORMACIÓN NESTARES) EN EL NORTE DE PATAGONIA, ARGENTINA. Parte 1. Especies Terrestres. Se presenta un analisis pali- nológico de la Formación Nestares (Jurásico Temprano) en su localidad tipo, a ambos lados del río Limay, represa de Alicurá en el límite de las provincias de Neuquén y Río Negro, norte de Patagonia, Argentina.
    [Show full text]