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Ischigualasto Formation. the Second Is a Sile- Diversity Or Abundance, but This Result Was Based on Only 19 of Saurid, Ignotosaurus Fragilis (Fig
This article was downloaded by: [University of Chicago Library] On: 10 October 2013, At: 10:52 Publisher: Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK Journal of Vertebrate Paleontology Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/ujvp20 Vertebrate succession in the Ischigualasto Formation Ricardo N. Martínez a , Cecilia Apaldetti a b , Oscar A. Alcober a , Carina E. Colombi a b , Paul C. Sereno c , Eliana Fernandez a b , Paula Santi Malnis a b , Gustavo A. Correa a b & Diego Abelin a a Instituto y Museo de Ciencias Naturales, Universidad Nacional de San Juan , España 400 (norte), San Juan , Argentina , CP5400 b Consejo Nacional de Investigaciones Científicas y Técnicas , Buenos Aires , Argentina c Department of Organismal Biology and Anatomy, and Committee on Evolutionary Biology , University of Chicago , 1027 East 57th Street, Chicago , Illinois , 60637 , U.S.A. Published online: 08 Oct 2013. To cite this article: Ricardo N. Martínez , Cecilia Apaldetti , Oscar A. Alcober , Carina E. Colombi , Paul C. Sereno , Eliana Fernandez , Paula Santi Malnis , Gustavo A. Correa & Diego Abelin (2012) Vertebrate succession in the Ischigualasto Formation, Journal of Vertebrate Paleontology, 32:sup1, 10-30, DOI: 10.1080/02724634.2013.818546 To link to this article: http://dx.doi.org/10.1080/02724634.2013.818546 PLEASE SCROLL DOWN FOR ARTICLE Taylor & Francis makes every effort to ensure the accuracy of all the information (the “Content”) contained in the publications on our platform. However, Taylor & Francis, our agents, and our licensors make no representations or warranties whatsoever as to the accuracy, completeness, or suitability for any purpose of the Content. -
8. Archosaur Phylogeny and the Relationships of the Crocodylia
8. Archosaur phylogeny and the relationships of the Crocodylia MICHAEL J. BENTON Department of Geology, The Queen's University of Belfast, Belfast, UK JAMES M. CLARK* Department of Anatomy, University of Chicago, Chicago, Illinois, USA Abstract The Archosauria include the living crocodilians and birds, as well as the fossil dinosaurs, pterosaurs, and basal 'thecodontians'. Cladograms of the basal archosaurs and of the crocodylomorphs are given in this paper. There are three primitive archosaur groups, the Proterosuchidae, the Erythrosuchidae, and the Proterochampsidae, which fall outside the crown-group (crocodilian line plus bird line), and these have been defined as plesions to a restricted Archosauria by Gauthier. The Early Triassic Euparkeria may also fall outside this crown-group, or it may lie on the bird line. The crown-group of archosaurs divides into the Ornithosuchia (the 'bird line': Orn- ithosuchidae, Lagosuchidae, Pterosauria, Dinosauria) and the Croco- dylotarsi nov. (the 'crocodilian line': Phytosauridae, Crocodylo- morpha, Stagonolepididae, Rauisuchidae, and Poposauridae). The latter three families may form a clade (Pseudosuchia s.str.), or the Poposauridae may pair off with Crocodylomorpha. The Crocodylomorpha includes all crocodilians, as well as crocodi- lian-like Triassic and Jurassic terrestrial forms. The Crocodyliformes include the traditional 'Protosuchia', 'Mesosuchia', and Eusuchia, and they are defined by a large number of synapomorphies, particularly of the braincase and occipital regions. The 'protosuchians' (mainly Early *Present address: Department of Zoology, Storer Hall, University of California, Davis, Cali- fornia, USA. The Phylogeny and Classification of the Tetrapods, Volume 1: Amphibians, Reptiles, Birds (ed. M.J. Benton), Systematics Association Special Volume 35A . pp. 295-338. Clarendon Press, Oxford, 1988. -
Petrified Forest U.S
National Park Service Petrified Forest U.S. Department of the Interior Petrified Forest National Park Arizona Common Animals Although Petrified Forest is best known for its fossil clues to an ancient environment, it is also a living Park. Despite its seemingly barren appearance, Petrified Forest National Park supports hundreds of animal species. In this often demanding environment, animals have adapted many behavioral and physical means of survival. For example, black- tailed jackrabbits very long ears are radiators, helping to cool the animal during the heat of summer. Other creatures only come out in the relative cool of morning and evening. Some animals migrate or hibernate to escape the cold of winter. Keep your eyes open and watch for signs of the many animal species, large and small, that make Petrified Forest their home. (Bird information is available in the park Bird Checklist.) Amphibians Can you imagine living underground for nine Ambystoma tigrinum Tiger Salamander months of the year and not eating, drinking, Anaxyrus (Bufo) cognatus Great Plains Toad or defecating? An amazing group of animals Anaxyrus Bufo punctatus Red-spotted Toad do just that—amphibians. It’s hard to imagine Anaxyrus (Bufo) woodhousii Woodhouse’s Toad that in this dry region animals that require Scaphiopus couchii Couch’s Spadefoot consistent moisture could thrive. Permeable Spea multiplicata Mexican Spadefoot (formerly skin allows amphibians to live in Petrified Scaphiopus multiplicata) Forest. Amphibians do not drink; instead, they Spea bombifrons Plains Spadefoot absorb water through their skins. Spadefoot toads, residents of the park, absorb water from the soil in which they hibernate. Although Couch’s spadefoot permeable skin allows for water absorption, it provides little barrier to evaporation. -
Late Triassic) Adrian P
New Mexico Geological Society Downloaded from: http://nmgs.nmt.edu/publications/guidebooks/56 Definition and correlation of the Lamyan: A new biochronological unit for the nonmarine Late Carnian (Late Triassic) Adrian P. Hunt, Spencer G. Lucas, and Andrew B. Heckert, 2005, pp. 357-366 in: Geology of the Chama Basin, Lucas, Spencer G.; Zeigler, Kate E.; Lueth, Virgil W.; Owen, Donald E.; [eds.], New Mexico Geological Society 56th Annual Fall Field Conference Guidebook, 456 p. This is one of many related papers that were included in the 2005 NMGS Fall Field Conference Guidebook. Annual NMGS Fall Field Conference Guidebooks Every fall since 1950, the New Mexico Geological Society (NMGS) has held an annual Fall Field Conference that explores some region of New Mexico (or surrounding states). Always well attended, these conferences provide a guidebook to participants. Besides detailed road logs, the guidebooks contain many well written, edited, and peer-reviewed geoscience papers. These books have set the national standard for geologic guidebooks and are an essential geologic reference for anyone working in or around New Mexico. Free Downloads NMGS has decided to make peer-reviewed papers from our Fall Field Conference guidebooks available for free download. Non-members will have access to guidebook papers two years after publication. Members have access to all papers. This is in keeping with our mission of promoting interest, research, and cooperation regarding geology in New Mexico. However, guidebook sales represent a significant proportion of our operating budget. Therefore, only research papers are available for download. Road logs, mini-papers, maps, stratigraphic charts, and other selected content are available only in the printed guidebooks. -
Universidade Federal Do Rio Grande Do Sul Instituto De Geociências Programa De Pós-Graduação Em Geociências
UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL INSTITUTO DE GEOCIÊNCIAS PROGRAMA DE PÓS-GRADUAÇÃO EM GEOCIÊNCIAS Ana Carolina Biacchi Brust DESCRIÇÃO OSTEOLÓGICA E RECONSTRUÇÃO 3D DO PRIMEIRO REGISTRO DE MATERIAL CRANIANO DE Aetosauroides scagliai CASAMIQUELA 1960 (ARCHOSAURIA: AETOSAURIA) PARA O NEOTRIÁSSICO DO SUL DO BRASIL (ZONA DE ASSOCIAÇÃO Hyperodapedon) Porto Alegre 2017 Ana Carolina Biacchi Brust DESCRIÇÃO OSTEOLÓGICA E RECONSTRUÇÃO 3D DO PRIMEIRO REGISTRO DE MATERIAL CRANIANO DE Aetosauroides scagliai CASAMIQUELA 1960 (ARCHOSAURIA: AETOSAURIA) PARA O NEOTRIÁSSICO DO SUL DO BRASIL (ZONA DE ASSOCIAÇÃO Hyperodapedon) Dissertação apresentada ao Programa de Pós-Graduação em Geociências da Universidade Federal do Rio Grande do Sul como requisito para obtenção do título de Mestre em Geociências. Orientador: Prof. Dr. Cesar Leandro Schultz Coorientadora: Drª. Julia Brenda Desojo Porto Alegre 2017 Brust, Ana Carolina Biacchi Descrição osteológica e reconstrução 3D do primeiro registro de material craniano de Aetosauroides scagliai Casamiquela 1960 (Archosauria: Aetosauria) para o Neotriássico do sul do Brasil (Zona de Associação Hyperodapedon) / Ana Carolina Biacchi Brust. -- 2017. 111 f. Orientador: Cesar Leandro Schultz. Coorientadora: Julia Brenda Desojo. Dissertação (Mestrado) -- Universidade Federal do Rio Grande do Sul, Instituto de Geociências, Programa de Pós-Graduação em Geociências, Porto Alegre, BR-RS, 2017. 1. Aetosauroides scagliai. 2. Aetosauria. 3. Pseudosuchia. 4. Archosauria. 5. Neotriássico. I. Schultz, Cesar Leandro, orient. II. Desojo, Julia Brenda, coorient. III. Título. Ana Carolina Biacchi Brust DESCRIÇÃO OSTEOLÓGICA E RECONSTRUÇÃO 3D DO PRIMEIRO REGISTRO DE MATERIAL CRANIANO DE Aetosauroides scagliai CASAMIQUELA 1960 (ARCHOSAURIA: AETOSAURIA) PARA O NEOTRIÁSSICO DO SUL DO BRASIL (ZONA DE ASSOCIAÇÃO Hyperodapedon) Dissertação apresentada ao Programa de Pós-Graduação em Geociências da Universidade Federal do Rio Grande do Sul como requisito para obtenção do título de Mestre em Geociências. -
Triassic Stratigraphy of the Southeastern Colorado Plateau, West-Central New Mexico Spencer G
New Mexico Geological Society Downloaded from: https://nmgs.nmt.edu/publications/guidebooks/72 Triassic stratigraphy of the southeastern Colorado Plateau, west-central New Mexico Spencer G. Lucas, 2021, pp. 229-240 in: Geology of the Mount Taylor area, Frey, Bonnie A.; Kelley, Shari A.; Zeigler, Kate E.; McLemore, Virginia T.; Goff, Fraser; Ulmer-Scholle, Dana S., New Mexico Geological Society 72nd Annual Fall Field Conference Guidebook, 310 p. This is one of many related papers that were included in the 2021 NMGS Fall Field Conference Guidebook. Annual NMGS Fall Field Conference Guidebooks Every fall since 1950, the New Mexico Geological Society (NMGS) has held an annual Fall Field Conference that explores some region of New Mexico (or surrounding states). Always well attended, these conferences provide a guidebook to participants. Besides detailed road logs, the guidebooks contain many well written, edited, and peer-reviewed geoscience papers. These books have set the national standard for geologic guidebooks and are an essential geologic reference for anyone working in or around New Mexico. Free Downloads NMGS has decided to make peer-reviewed papers from our Fall Field Conference guidebooks available for free download. This is in keeping with our mission of promoting interest, research, and cooperation regarding geology in New Mexico. However, guidebook sales represent a significant proportion of our operating budget. Therefore, only research papers are available for download. Road logs, mini-papers, Color Plates, maps, stratigraphic charts, and other selected content are available only in the printed guidebooks. Copyright Information Publications of the New Mexico Geological Society, printed and electronic, are protected by the copyright laws of the United States. -
01 Oliveira & Pinheiro RBP V20 N2 COR.Indd
Rev. bras. paleontol. 20(2):155-162, Maio/Agosto 2017 © 2017 by the Sociedade Brasileira de Paleontologia doi: 10.4072/rbp.2017.2.01 ISOLATED ARCHOSAURIFORM TEETH FROM THE UPPER TRIASSIC CANDELÁRIA SEQUENCE (HYPERODAPEDON ASSEMBLAGE ZONE, SOUTHERN BRAZIL) TIANE MACEDO DE OLIVEIRA & FELIPE L. PINHEIRO Laboratório de Paleobiologia, Universidade Federal do Pampa, Campus São Gabriel, R. Aluízio Barros Macedo, BR 290, km 423, 97300-000, São Gabriel, RS, Brazil. [email protected], [email protected] ABSTRACT – We describe isolated teeth found in the locality “Sítio Piveta” (Hyperodapedon Assemblage Zone, Candelaria Sequence, Upper Triassic of the Paraná Basin). The material consists of five specimens, here classified into three different morphotypes. The morphotype I is characterized by pronounced elongation, rounded base and symmetry between lingual and labial surfaces. The morphotype II presents serrated mesial and distal edges, mesial denticles decreasing in size toward the base, distal denticles present until the base and asymmetry, with a flat lingual side and rounded labial side. The morphotype III, although similar to morphotype II, has a greater inclination of the posterior carinae. The conservative dental morphology in Archosauriformes makes difficult an accurate taxonomic assignment based only on isolated teeth. However, the specimens we present are attributable to “Rauisuchia” (morphotype II and III) and, possibly, Phytosauria (morphotype I). The putative presence of a phytosaur in the Carnian Hyperodapedon Assemblage Zone would have impact in the South American distribution of the group. The taxonomic assignments proposed herein contribute to the faunal composition of the Hyperodapedon Assemblage Zone, a critical unit on the study of the Upper Triassic radiation of archosaurs. -
On the Presence of the Subnarial Foramen in Prestosuchus Chiniquensis (Pseudosuchia: Loricata) with Remarks on Its Phylogenetic Distribution
Anais da Academia Brasileira de Ciências (2016) (Annals of the Brazilian Academy of Sciences) Printed version ISSN 0001-3765 / Online version ISSN 1678-2690 http://dx.doi.org/10.1590/0001-3765201620150456 www.scielo.br/aabc On the presence of the subnarial foramen in Prestosuchus chiniquensis (Pseudosuchia: Loricata) with remarks on its phylogenetic distribution LÚCIO ROBERTO-DA-SILVA1,2, MARCO A.G. FRANÇA3, SÉRGIO F. CABREIRA3, RODRIGO T. MÜLLER1 and SÉRGIO DIAS-DA-SILVA4 ¹Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Av. Roraima, 1000, Bairro Camobi, 97105-900 Santa Maria, RS, Brasil ²Laboratório de Paleontologia, Universidade Luterana do Brasil, Av. Farroupilha, 8001, Bairro São José, 92425-900 Canoas, RS, Brasil ³Laboratório de Paleontologia e Evolução de Petrolina, Campus de Ciências Agrárias, Universidade Federal do Vale do São Francisco, Rodovia BR 407, Km12, Lote 543, 56300-000 Petrolina, PE, Brasil 4Centro de Apoio à Pesquisa da Quarta Colônia, Universidade Federal de Santa Maria, Rua Maximiliano Vizzotto, 598, 97230-000 São João do Polêsine, RS, Brasil Manuscript received on July 1, 2015; accepted for publication on April 15, 2016 ABSTRACT Many authors have discussed the subnarial foramen in Archosauriformes. Here presence among Archosauriformes, shape, and position of this structure is reported and its phylogenetic importance is investigated. Based on distribution and the phylogenetic tree, it probably arose independently in Erythrosuchus, Herrerasaurus, and Paracrocodylomorpha. In Paracrocodylomorpha the subnarial foramen is oval-shaped, placed in the middle height of the main body of the maxilla, and does not reach the height of ascending process. In basal loricatans from South America (Prestosuchus chiniquensis and Saurosuchus galilei) the subnarial foramen is ‘drop-like’ shaped, the subnarial foramen is located above the middle height of the main body of the maxilla, reaching the height of ascending process, a condition also present in Herrerasaurus ischigualastensis. -
Triassic Stratigraphy in the Lucero Uplift, Cibola, Valencia and Socorro Counties, New Mexico
New Mexico Geological Society Guidebook, 45th Field Conference, Mogollon Slope, West-Central New Mexico and East-Central Arizona, 1?~4 241 TRIASSIC STRATIGRAPHY IN THE LUCERO UPLIFT, CIBOLA, VALENCIA AND SOCORRO COUNTIES, NEW MEXICO SPENCER G. LUCASl and ANDREW B. HECKERT2 INew Mexico Museum of Natural History and Science, 1801 Mountain Road N.W., Albuquerque, New Mexico 87104; 2Department of Earth and Planetary Sciences, University of New Mexico,Albuquerque, New Mexico 87131-1116 Abstract-Triassic strata exposed. in the Lucero uplift of Cibola, Valencia and Socorro Counties are nonmarine red beds of the Moenkopi Formation and Chinle Group. Moenkopi Formation strata disconformably overlie Middle Permian (Guadalupian) limestones and dolomites of the San Andres Formation and are mostly grayish red, trough-crossbedded and ripple-laminated micaceous litharenites intercalated with beds of intraformational conglomerate and grayish red, micaceous siltstone and mudstone. Charophytes, ostracods and capitosauroid amphibians indicate the Moenkopi Formation in the Lucero uplift is of Middle Triassic (early Anisian) age. Overlying Chinle Group strata consist of (ascending) the Shinarump, Bluewater Creek, Petrified Forest, Owl Rock and Rock Point Formations. In the Lucero uplift, strata of the San Pedro Arroyo Formation laterally replace Bluewater Creek Formation strata south of the Rio Salado. Shinarump Formation strata are extrabasi nal conglomerates (mostly Paleozoic limestone clasts) and sandstones as much as 17 m thick that discon formably overlie Moenkopi strata. Locally, pedogenically modified sandstones, conglomerates and siltstones - the "mottled strata" laterally replace Shinarump conglomerates and sandstones. Bluewater Creek Formation strata are at least 70 m thick and are mostly reddish brown siltstones, mudstones and ripple-laminated sand stones The distinctive McGaffey Member - 5-6 m of mostly ripple-laminated sandstone is present in the upper half of the Bluewater Creek Formation in the northern part of the Lucero uplift. -
Magnetostratigraphy of the Upper Triassic Chinle Group of New Mexico: Implications for Regional and Global Correlations Among Upper Triassic Sequences
Magnetostratigraphy of the Upper Triassic Chinle Group of New Mexico: Implications for regional and global correlations among Upper Triassic sequences Kate E. Zeigler1,* and John W. Geissman2,* 1Department of Earth and Planetary Sciences, MSC 03-2040 Northrop Hall, University of New Mexico, Albuquerque, New Mexico 87131, USA 2Department of Earth and Planetary Sciences, MSC 03-2040 Northrop Hall, University of New Mexico, Albuquerque, New Mexico 87131, USA, and Department of Geosciences, ROC 21, University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080-3021, USA ABSTRACT polarity chronologies from upper Chinle graphic correlations (e.g., Reeve, 1975; Reeve and strata in New Mexico and Utah suggest that Helsley, 1972; Bazard and Butler, 1989, 1991; A magnetic polarity zonation for the strata considered to be part of the Rock Point Molina-Garza et al., 1991, 1993, 1996, 1998a, Upper Triassic Chinle Group in the Chama Formation in north-central New Mexico are 1998b, 2003; Steiner and Lucas, 2000). Conse- Basin, north-central New Mexico (United not time equivalent to type Rock Point strata quently, the polarity record of the mudstones and States), supplemented by polarity data from in Utah or to the Redonda Formation of east- claystones, which are the principal rock types in eastern and west-central New Mexico (Mesa ern New Mexico. the Chinle Group, is largely unknown. Redonda and Zuni Mountains, respectively), In our study of Triassic strata in the Chama provides the most complete and continuous INTRODUCTION Basin of north-central New Mexico, we sam- magnetic polarity chronology for the Late pled all components of the Chinle Group, with Triassic of the American Southwest yet avail- The Upper Triassic Chinle Group, prominent a focus on mudstones and claystones at Coyote able. -
Aetosaurs (Archosauria: Stagonolepididae) from the Upper Triassic (Revueltian) Snyder Quarry, New Mexico
Zeigler, K.E., Heckert, A.B., and Lucas, S.G., eds., 2003, Paleontology and Geology of the Snyder Quarry, New Mexico Museum of Natural History and Science Bulletin No. 24. 115 AETOSAURS (ARCHOSAURIA: STAGONOLEPIDIDAE) FROM THE UPPER TRIASSIC (REVUELTIAN) SNYDER QUARRY, NEW MEXICO ANDREW B. HECKERT, KATE E. ZEIGLER and SPENCER G. LUCAS New Mexico Museum of Natural History, 1801 Mountain Road NW, Albuquerque, NM 87104-1375 Abstract—Two species of aetosaurs are known from the Snyder quarry (NMMNH locality 3845): Typothorax coccinarum Cope and Desmatosuchus chamaensis Zeigler, Heckert, and Lucas. Both are represented entirely by postcrania, principally osteoderms (scutes), but also by isolated limb bones. Aetosaur fossils at the Snyder quarry are, like most of the vertebrates found there, not articulated. However, clusters of scutes, presumably each from a single carapace, are associated. Typothorax coccinarum is an index fossil of the Revueltian land- vertebrate faunachron (lvf) and its presence was expected at the Snyder quarry, as it is known from correlative strata throughout the Chama basin locally and the southwestern U.S.A. regionally. The Snyder quarry is the type locality of D. chamaensis, which is considerably less common than T. coccinarum, and presently known from only one other locality. Some specimens we tentatively assign to D. chamaensis resemble lateral scutes of Paratypothorax, but we have not found any paramedian scutes of Paratypothorax at the Snyder quarry, so we refrain from identifying them as Paratypothorax. Specimens of both Typothorax and Desmatosuchus from the Snyder quarry yield insight into the anatomy of these taxa. Desmatosuchus chamaensis is clearly a species of Desmatosuchus, but is also one of the most distinctive aetosaurs known. -
Red Gap Ranch Biological Resource Evaluation
RED GAP RANCH BIOLOGICAL RESOURCE EVALUATION Prepared for: Southwest Ground-water Consultants, Inc. Prepared by: WestLand Resources, Inc. Date: February 14, 2014 Project No.: 1822.01 TABLE OF CONTENTS 1. BACKGROUND AND OBJECTIVES ................................................................................................ 1 2. EXISTING ENVIRONMENT AND BIOLOGICAL RESOURCES ................................................... 2 2.1. Approach ...................................................................................................................................... 2 2.2. Physical Environment ................................................................................................................... 2 2.3. Biological Environment and Resources ....................................................................................... 3 3. SCREENING ANALYSIS FOR SPECIES OF CONCERN ................................................................ 5 3.1. Approach ...................................................................................................................................... 5 3.2. Screening Analysis Results .......................................................................................................... 7 3.2.1. USFWS-listed Species ...................................................................................................... 7 3.2.2. USFS Coconino National Forest Sensitive Species ........................................................ 15 3.2.3. USFS Management Indicator Species ............................................................................