DOCSLIB.ORG

Current Happenings in Paleontology at the Calvert Marine Museum

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Current Happenings in Paleontology at the Calvert Marine Museum Inside The Newsletter of HigWigbts Calvert Marine Museum • News from theCMM • PRAD Report Paleont(,~1bgy Department • Volunteering at the CMM Volume {I.Number 3 November 2002 -. Fall Field Trips Reports • Minutes of August meeting Whole Number 57 The CURRENT HAPPENINGS IN Pat Fink, Pam Platt, and Robert and Margaret PALEONTOLOGY Hazen worked with us to remove these from the AT THE CALVERT MARINE cliff ... many thanks. MUSEUM And now for a little paleontological intrigue .. .In early October, Paul Murdoch had reported on a baleen whale skull in the cliffs south of Plum Point. FROM THE CURATOR In early November, I received a call from him informing me that someone had quarried around the We have had the good fortune of being able to skull with the intent to jacket and remove it. Only --<1uarry several lovely baleen whale jaws and partial two days before his warning call, I had sent a letter ..•olphin skulls from the cliffs in recent months. One to the landowner requesting permission to quarry of these, at just over five feet long, is now the this skull. The Saturday evening of Paul's phone longest whale jaw in our collection. It was removed call; I was able to reach a representative of the from the cliff-front property of Dr. Robert and landowner. They had not given permission to this Margaret Hazen. Needless to say, I am very third party to quarry on their land, so permission grateful for their generosity in allowing us to dig on was granted to the museum to remove the skull their property. Their neighbor, Kay Brown, spent before it was stolen. The next day, Sunday, I the day with Bill and I photo-documenting the quarried and jacketed the skull but could not 'event.' I hope her superb work will form the basis remove it for want of logistical support. The of a temporary exhibit in the paleo gallery soon. following morning when Bill and I returned, the Several weeks later, Kay put on a garden party for skull was gone ... taken out on the back of an all• those involved, friends, and neighbors ... wow at terrain vehicle. I filed a police report and expect times paleo certainly has its perks! that sooner or later, the skull will come to light. If From an earlier first encounter with the Hazen's on anyone has information that would lead us to the another beach, I learned of their prolific scientific individual or individuals who stole this specimen, I publication history and Dr. Hazen's study ~f would love to know. Emergence and the Origin of Life, and of hIS Patuxent River Appreciation Days (PRAD) was as involvement with NASA's extraterrestrial search busy as ever. My sincerest thanks to Bill for life. This culminated in Dr. Hazen's fascinating Counterm~n for coordinating paleo's contribution. public lecture in October on these subjects. Grenda Dennis, Mike and Kathy Ellwood, Pat I also have Dr. Emily Woo to thank once again for Fink, Tom and Kathy Haberny, Paul Murdoch, ~allowing us to remove a small baleen whale jaw and Bob and Pam Platt, Sandy Roberts, Cheryl NO partial dolphin skulls from her cliff-front Snelson, and Flo Strean talked fossils to the property. These specimens were spied by Bill Counterman and Paul Murdoch. Mary Beaton, 2 The Ecphora August 2002 hundreds who stopped to view the displays. Many VOLUNTEERING AT THE CALVERT~ thanks to all! MARINE MUSEUM This year's annual meeting of the Society of Vertebrate Paleontology was held in Norman, There is more to the paleontology program than Oklahoma. Prior to the conference, I had the very just digging in the dirt, lectures, and potlucks. good fortune of being able to participate in a three• There is the whole overall volunteer experience at day field trip to view dinosaur footprint fossils in the Calvert Marine Museum. The benefits can be New Mexico, Colorado, and Oklahoma. We visited substantial, and the commitment and procedures seven localities from the Triassic through to the easily accomplished. Cretaceous where a wide variety of invertebrate, Though there is immense satisfaction of looking at pterosaur, and dinosaur track ways are well your feet and finding the elusive fossil, there is preserved. more to be gained as a volunteer. Not only do you get to share your finds with others, but also you get Fascinating Fossil Finds ... to use the paleo prep lab and all its trappings. These include more interaction with the curator and staff, The most unusual fossil that we have added to our professional equipment, and the pleasure of sharing permanent collection of late is a seal baculum your knowledge with museum visitors. In addition, (otherwise known as the os penis, os priapi, or so• volunteering is another way to become more of a called penis bone, Figure 1). The 13.5 em long part of the museum community. You will know, bone is the only complete seal baculum known from before the general populace, about discoveries and the Miocene Chesapeake Group (Calvert opportunities in our paleontology department, and Formation). The bulbous proximal end is coarsely be invited to special training sessions and textured where it was anchored in connective and workshops. There are also special overall volunteer____. muscular tissue. The shaft, of triangular section, events such as field trips, workshops, arl tapers distally to a second but smaller swelling. recognition events. Every month you will receive The baculum is one of several heterotropic skeletal the Anchor, a publication that tells about upcoming elements--i.e., bones dissociated from the rest of the museum events and needs, and as a volunteer you body skeleton. It is found in all insectivores (e.g., will receive 20% off Museum Store items. shrews, hedgehogs), bats, rodents, and carnivores Though there is an implied commitment with (including seals and walrus) and in all primates becoming a volunteer, it may not be as inhibiting as except humans (go figure!). If one were unaware one might think. Volunteers are asked to work 24 that such bones exist and could show up as fossils, service hours a year, which is two hours a month, one might identify a baculum as a small and more hours are always welcome. Helping pathological rib. catalog periodicals in our database or collecting sharks teeth for the Discovery Room sandbox all Stephen Godfrey count. Attending lectures is another source of volunteer time. Volunteers are also required to be CMM Society members. In addition, one of our volunteer mentors would give you an overall orientation to the museum. So, take the first step. Call (410/326-2042, ext. B 19) or email ([email protected]) Leslie King, volunteer eoordinator, to receive an information packet. With this you'll find an application and the latest copy of the Anchor. Though the volunteer _ program is set-up to support the museum, it i Figure 1: Drawing of a seal baculum, probably flexible and friendly. Please contact Leslie if you from Leptophoca lenis, in A) left lateral have any questions. and B) dorsal views respectively. Submitted by Leslie King 3 The Ecphora August 2002 CMMFC HAS A GREAT DAY AT young child to take an interest in this science and PRAD become a future paleontologist! Numerous members of the Fossil Club were on hand to assist the Paleontology Department for Patuxent River Appreciation Days on Saturday and Sunday, October lih& 13th, 2002. Grenda Dennis, Pam & Robert Platt, Flo Strean, Paul Murdoch, Cheryl Snelson, Mike & Kathy Elwood, Tom & Kathy Haberny and Sandy Roberts were all on hand to assist Bill Counterman and Pat Fink, for parts of the weekend, by sharing their fossil experiences and knowledge with the numerous visitors. Admission to the Museum was free on both days, and hundreds took advantage of the opportunity. The CMM's grounds were filled with numerous displays from other clubs and institutions (You mean there is more to life than fossils!!?!?) with ties to the area, from Lighthouse Preservation Societies, to the U.S. Coast CMMFC MEETING MINUTES Guard. It was a true one-stop place to learn about the maritime history of the area. The Fall meeting of the CMMFC was held at the ~ Several fossil finds were brought in by members CMM on Saturday, October 19th, 2002. Members so that visitors could see what was found in the present were: Chuck Soares, Sandy Roberts, Grenda county. The Museum itself had on display several Dennis, Joe Miller, Tom and Kathy Haberny, Paul baleen whale jaws (see pictures below), including & Hillary Murdoch, Robert & Pam Platt, Flo Flo's find from this past year along the Patuxent Strean, Bill Counterman and Stephen Godfrey. The River and a 5' 4" jaw from a recent CMM dig event meeting was a covered dish event and many tasty in the Western Shores community. Kay Brown treats and dishes were available. provided the CMM with pictures of the jaw during President Grenda Dennis called the meeting to the excavation, and they complimented the display order at 12:30. Grenda informed the group that the nicely. Also on display was a partial snout/upper Club's Board of Directors had held a meeting jaws and some teeth from an Squalodon recovered immediately preceding the club meeting and several by the CMM during 2001. items were discussed: Several visitors brought in finds of their own to be identified, including a sizable whale vertebra and a 1) Treasurers Report - The club has current HUGE crocodile tooth! Visitors were intrigued to balance of over $4,300.00 learn not only about the larger finds; Meg & Large 2) Membership Chairperson Report• Mako teeth and Whale parts, but also of the details Membership rolls have been made current of the smaller items - the fossil's age and the and anyone who does not have their dues conditions and locations where they were found.
Load more

Recommended publications
  • Late Devonian and Early Carboniferous Chondrichthyans from the Fairfield Group, Canning Basin, Western Australia
    Palaeontologia Electronica palaeo-electronica.org Late Devonian and Early Carboniferous chondrichthyans from the Fairfield Group, Canning Basin, Western Australia Brett Roelofs, Milo Barham, Arthur J. Mory, and Kate Trinajstic ABSTRACT Teeth from 18 shark taxa are described from Upper Devonian to Lower Carbonif- erous strata of the Lennard Shelf, Canning Basin, Western Australia. Spot samples from shoal facies in the upper Famennian Gumhole Formation and shallow water car- bonate platform facies in the Tournaisian Laurel Formation yielded a chondrichthyan fauna including several known species, in particular Thrinacodus ferox, Cladodus thomasi, Protacrodus aequalis and Deihim mansureae. In addition, protacrodont teeth were recovered that resemble formally described, yet unnamed, teeth from Tournaisian deposits in North Gondwanan terranes. The close faunal relationships previously seen for Late Devonian chondrichthyan taxa in the Canning Basin and the margins of north- ern Gondwana are shown here to continue into the Carboniferous. However, a reduc- tion in species overlap for Tournaisian shallow water microvertebrate faunas between the Canning Basin and South China is evident, which supports previous studies docu- menting a separation of faunal and terrestrial plant communities between these regions by this time. The chondrichthyan fauna described herein is dominated by crushing type teeth similar to the shallow water chondrichthyan biofacies established for the Famennian and suggests some of these biofacies also extended into the Early Carboniferous. Brett Roelofs. Department of Applied Geology, Curtin University, GPO Box U1987 Perth, WA 6845, Australia. [email protected] Milo Barham. Department of Applied Geology, Curtin University, GPO Box U1987 Perth, WA 6845, Australia. [email protected] Arthur J.
    [Show full text]
  • The Carboniferous Evolution of Nova Scotia
    Downloaded from http://sp.lyellcollection.org/ by guest on September 27, 2021 The Carboniferous evolution of Nova Scotia J. H. CALDER Nova Scotia Department of Natural Resources, PO Box 698, Halifax, Nova Scotia, Canada B3J 2T9 Abstract: Nova Scotia during the Carboniferous lay at the heart of palaeoequatorial Euramerica in a broadly intermontane palaeoequatorial setting, the Maritimes-West-European province; to the west rose the orographic barrier imposed by the Appalachian Mountains, and to the south and east the Mauritanide-Hercynide belt. The geological affinity of Nova Scotia to Europe, reflected in elements of the Carboniferous flora and fauna, was mirrored in the evolution of geological thought even before the epochal visits of Sir Charles Lyell. The Maritimes Basin of eastern Canada, born of the Acadian-Caledonian orogeny that witnessed the suture of Iapetus in the Devonian, and shaped thereafter by the inexorable closing of Gondwana and Laurasia, comprises a near complete stratal sequence as great as 12 km thick which spans the Middle Devonian to the Lower Permian. Across the southern Maritimes Basin, in northern Nova Scotia, deep depocentres developed en echelon adjacent to a transform platelet boundary between terranes of Avalon and Gondwanan affinity. The subsequent history of the basins can be summarized as distension and rifting attended by bimodal volcanism waning through the Dinantian, with marked transpression in the Namurian and subsequent persistence of transcurrent movement linking Variscan deformation with Mauritainide-Appalachian convergence and Alleghenian thrusting. This Mid- Carboniferous event is pivotal in the Carboniferous evolution of Nova Scotia. Rapid subsidence adjacent to transcurrent faults in the early Westphalian was succeeded by thermal sag in the later Westphalian and ultimately by basin inversion and unroofing after the early Permian as equatorial Pangaea finally assembled and subsequently rifted again in the Triassic.
    [Show full text]
  • A Palaeoecological Geological Society
    Geological Society, London, Special Publications Terrestrialization in the Late Devonian: a palaeoecological overview of the Red Hill site, Pennsylvania, USA Walter L. Cressler, III, Edward B. Daeschler, Rudy Slingerland and Daniel A. Peterson Geological Society, London, Special Publications 2010; v. 339; p. 111-128 doi:10.1144/SP339.10 Email alerting click here to receive free email alerts when new articles cite this service article Permission click here to seek permission to re-use all or part of this article request Subscribe click here to subscribe to Geological Society, London, Special Publications or the Lyell Collection Notes Downloaded by on 9 September 2010 © 2010 Geological Society of London Terrestrialization in the Late Devonian: a palaeoecological overview of the Red Hill site, Pennsylvania, USA WALTER L. CRESSLER III1*, EDWARD B. DAESCHLER2, RUDY SLINGERLAND3 & DANIEL A. PETERSON3 1Francis Harvey Green Library, 25 West Rosedale Avenue, West Chester University, West Chester, PA 19383, USA 2Vertebrate Paleontology, Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103, USA 3Department of Geosciences, The Pennsylvania State University, University Park, PA 16802, USA *Corresponding author (e-mail: [email protected]) Abstract: Alluvial floodplains were a critical setting during the Late Devonian for the evolution of terrestriality among plants, invertebrate and vertebrates. The Red Hill site in Pennsylvania, US, provides a range of information about the physical and biotic setting of a floodplain ecosystem along the southern margin of the Euramerican landmass during the late Famennian age. An avul- sion model for floodplain sedimentation is favoured in which a variety of inter-channel depositional settings formed a wide range of aquatic and terrestrial habitats.
    [Show full text]
  • Late Devonian Paleontology and Paleoenvironments at Red Hill and Other Fossil Sites in the Catskill Formation of North-Central Pennsylvania Edward B
    West Chester University Digital Commons @ West Chester University Geology & Astronomy Faculty Publications Geology & Astronomy 2011 Late Devonian paleontology and paleoenvironments at Red Hill and other fossil sites in the Catskill Formation of north-central Pennsylvania Edward B. Daeschler Academy of Natural Sciences of Philadelphia Walter L. Cressler III West Chester University of Pennsylvania, [email protected] Follow this and additional works at: http://digitalcommons.wcupa.edu/geol_facpub Part of the Paleobiology Commons, and the Paleontology Commons Recommended Citation Daeschler, E.B., and Cressler, W.L., III, 2011. Late Devonian paleontology and paleoenvironments at Red Hill and other fossil sites in the Catskill Formation of north-central Pennsylvania. In R.M. Ruffolo and C.N. Ciampaglio [eds.], From the Shield to the Sea: Geological Trips from the 2011 Joint Meeting of the GSA Northeastern and North-Central Sections, pp. 1-16. Geological Society of America Field Guide 20. This Article is brought to you for free and open access by the Geology & Astronomy at Digital Commons @ West Chester University. It has been accepted for inclusion in Geology & Astronomy Faculty Publications by an authorized administrator of Digital Commons @ West Chester University. For more information, please contact [email protected]. FLD020-01 1st pgs page 1 The Geological Society of America Field Guide 20 2011 Late Devonian paleontology and paleoenvironments at Red Hill and other fossil sites in the Catskill Formation of north-central Pennsylvania Edward B. Daeschler Vertebrate Paleontology, Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, Pennsylvania 19103, USA Walter L. Cressler III Francis Harvey Green Library, 25 West Rosedale Avenue, West Chester University, West Chester, Pennsylvania 19383, USA ABSTRACT The stratifi ed red beds of the Catskill Formation are conspicuous in road cut expo- sures on the Allegheny Plateau of north-central Pennsylvania.
    [Show full text]
  • Fish and Tetrapod Communities Across a Marine to Brackish
    Palaeontology Fish and tetrapod communities across a marine to brackish salinity gradient in the Pennsylvanian (early Moscovian) Minto Formation of New Brunswick, Canada, and their palaeoecological and palaeogeographic implications Journal: Palaeontology Manuscript ID PALA-06-16-3834-OA.R1 Manuscript Type: Original Article Date Submitted by the Author: 27-Jun-2016 Complete List of Authors: Ó Gogáin, Aodhán; Earth Sciences Falcon-Lang, Howard; Royal Holloway, University of London, Department of Earth Science Carpenter, David; University of Bristol, Earth Sciences Miller, Randall; New Brunswick Museum, Curator of Geology and Palaeontology Benton, Michael; Univeristy of Bristol, Earth Sciences Pufahl, Peir; Acadia University, Earth and Environmental Science Ruta, Marcello; University of Lincoln, Life Sciences; Davies, Thoams Hinds, Steven Stimson, Matthew Pennsylvanian, Fish communities, Salinity gradient, Euryhaline, Key words: Cosmopolitan, New Brunswick Palaeontology Page 1 of 121 Palaeontology 1 2 3 4 1 5 6 7 1 Fish and tetrapod communities across a marine to brackish salinity gradient in the 8 9 2 Pennsylvanian (early Moscovian) Minto Formation of New Brunswick, Canada, and 10 3 their palaeoecological and palaeogeographic al implications 11 12 4 13 14 5 by AODHÁN Ó GOGÁIN 1, 2 , HOWARD J. FALCON-LANG 3, DAVID K. CARPENTER 4, 15 16 6 RANDALL F. MILLER 5, MICHAEL J. BENTON 1, PEIR K. PUFAHL 6, MARCELLO 17 18 7 RUTA 7, THOMAS G. DAVIES 1, STEVEN J. HINDS 8 and MATTHEW R. STIMSON 5, 8 19 20 8 21 22 9 1 School of Earth Sciences, University
    [Show full text]
  • Chondrichthyans from the Devonian-Early Carboniferous of Belarus
    View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Kazan Federal University Digital Repository Estonian Journal of Earth Sciences 2018 vol.67 N1, pages 43-58 Chondrichthyans from the devonian-early carboniferous of belarus Kazan Federal University, 420008, Kremlevskaya 18, Kazan, Russia Abstract © 2018 Authors. Diverse remains of chondrichthyans were found in several stratigraphic levels in 18 cores of the Devonian and Lower Carboniferous of Belarus. Most of the taxa were first reported in that territory. A new species of ctenacanthiform shark, Tamiobatis elgae, is described. The internal structure of teeth of this species is reconstructed for the first time using microtomography. The distribution of chondrichthyan taxa is analysed. http://dx.doi.org/10.3176/earth.2018.03 Keywords Belarus, Chondrichthyes, Lower devonian-lower carboniferous References [1] Bonaparte, C. L. J. L. 1838. Selachorum tabula analytica. Nuovi Annali delle Scienze Naturali, 1, 195-214. [2] Cappetta, H., Duffin, C. & Zidek, J. 1993, Chondrichthyes. In The Fossil Record 2 (Benton, M. J., ed.), pp. 593- 609. [3] Chapman and Hall, London, Dean, B. 1909. Studies on fossil fishes (sharks, chimaeroids and arthrodires). Memoirs of the American Museum of Natural History, Part V, 9, 211-287. [4] Downs, J. P. & Daeschler, E. B. 2001. Variation within a large sample of Ageleodus pectinatus teeth (Chondrichthyes) from the Late Devonian of Pennsylvania, U.S.A. Journal of Vertebrate Paleontology, 21, 811- 814. [5] Eastman, C. R. 1897. Tamiobatis vetustus: a new form of fossil skate. American Journal of Science, 4, 85-90. [6] Esin, D., Ginter, M., Ivanov, A., Lebedev, O., Luksevics, E., Avkhimovich, V., Golubtsov, V.
    [Show full text]
  • Fish/Tetrapod Communities in the Upper Devonian
    Fish/tetrapod Communities Examensarbete vid Institutionen för geovetenskaper in the Upper Devonian ISSN 1650-6553 Nr 301 Maxime Delgehier Fish/tetrapod Communities Vertebrate communities including tetrapods and fishes are known from a in the Upper Devonian limited number of Late Devonian localities from several areas worldwide. These localities encompass a wide variety of environments, from true marine conditions of the near shore neritic province, to fluvial or lacustrine conditions. These localities form the foundation for a number of data matrices from which three different sets of cluster analyses were made. The first set practices a strait forward taxonomical framework using present/absent data on species and genus level to test similarity between the various localities. The second set of analyses builds on the Maxime Delgehier first one with the integration of artificial hierarchies to compensate taxonomical biases and instead infer relationship. The third also builds on the previous ones, but integrates morphological data as indicators of relationships between taxa. From this, a critical review was made for each method which comes to the conclusion that the first analysis and the first artificial level of the second analysis provide the distinctions between Frasnian and Frasnian/Famennian locality whereas the second artificial level of the second analysis and the third analysis need to be improved. Uppsala universitet, Institutionen för geovetenskaper Examensarbete D/E1/E2/E, Geologi/Hydrologi/Naturgeografi /Paleobiologi, 15/30/45
    [Show full text]
  • Notice: Restrictions
    NOTICE: The copyright law of the United States (Title 17, United States Code) governs the making of reproductions of copyrighted material. One specified condition is that the reproduction is not to be "used for any purpose other than private study, scholarship, or research." If a user makes a request for, or later uses a reproduction for purposes in excess of "fair use," that user may be liable for copyright infringement. RESTRICTIONS: This student work may be read, quoted from, cited, for purposes of research. It may not be published in full except by permission of the author. 2 Abstract The Red Hill site located along a road cut near Hyner in Clinton County, Pennsylvania, represents a floodplain ecosystem during the late Famennian Stage of the Upper Devonian Period. Fossil vertebrates from the Red Hill site include those of sarcopterygian fish, placoderms, acanthodians, actinopterygian fish, freshwater sharks, and early tetrapods. Vertebrate microfossils are often used to assess the paleoecology of extinct ecosystems. Differences in species richness in similar geological sediments can indicate differences in the paleoecology between locations. Fossils were collected from two distinct strata: an oxidized stratum representing the sediments from the main river channel margins and a reduced stratum representing sediment from highly vegetated floodplain ponds. Four quarries were excavated at the Red Hill site with two quarries in each strata. Vertebrate fossils were identified and counted from each quarry. A total of 293 vertebrate fossils were recorded. These fossils included teeth and scales of Hyneria lindae, dermal bony plates of Groenlandaspid placoderms, scales of Megalichtyid sarcopterygian fish, Gyracanthus sp.
    [Show full text]
  • Groenlandaspidid Placoderm Fishes from the Late Devonian of North America
    © Copyright Australian Museum, 2003 Records of the Australian Museum (2003) Vol. 55: 45–60. ISSN 0067-1975 Groenlandaspidid Placoderm Fishes from the Late Devonian of North America EDWARD B. DAESCHLER,1* ANNA C. FRUMES2 AND C. FREDERICK MULLISON1 1 Vertebrate Zoology, Academy of Natural Sciences of Philadelphia, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103, United States of America [email protected] 2 Integrative Biology, University of California at Berkeley, 3060 Valley Life Science Building, CA 94720-3140, United States of America ABSTRACT. Two new taxa of groenlandaspidid fish (Placodermi: Arthrodira) from non-marine deposits of the Catskill Formation (Upper Devonian) at Red Hill, Clinton County, Pennsylvania, USA, are the first to be described from North America outside of Greenland. Groenlandaspis pennsylvanica n.sp. is known only from isolated trunk elements that are quite similar to Groenlandaspis antarctica Ritchie, 1975. Groenlandaspis pennsylvanica n.sp. is characterized by distinct features of the median dorsal (MD), posterior dorsolateral (PDL), and anterior dorsolateral (ADL) plates. Turrisaspis elektor n.gen. and n.sp. is a smaller form with a high median dorsal plate (MD) and tall, narrow elements of the dorsolateral trunk shield, particularly the PDL, giving this taxon a distinctively short, high trunk shield. The head shield of Turrisaspis elektor has a divided pineal plate and the postmarginal plate makes contact with the postorbital plate, excluding the marginal plate from the lateral margin of the head shield. Groenlandaspis pennsylvanica n.sp. is a rare faunal component at the Red Hill site whereas Turrisaspis elektor is very common. The large sample size of Turrisaspis elektor provides a glimpse at ontogenetic and individual variation within this taxon.
    [Show full text]
  • Early Mississippian Sandy Siltstones Preserve Rare Vertebrate Fossils in Seasonal Flooding Episodes
    Received Date : 19-Aug-2015 Revised Date : 08-Feb-2016 Accepted Date : 20-Feb-2016 Article type : Original Manuscript Early Mississippian sandy siltstones preserve rare vertebrate fossils in seasonal flooding episodes Carys E. Bennett1*, Timothy I. Kearsey2, Sarah J. Davies1, David Millward2, Jennifer A. Clack3, Timothy R. Smithson3, John E. A. Marshall4 1Department of Geology University of Leicester, Leicester, LE1 7RH 2British Geological Survey, The Lyell Centre, Research Avenue South, Edinburgh EH14 4AP 3Department of Zoology, University of Cambridge, Cambridge, CB2 3EJ 4Ocean and Earth Science, University of Southampton, SO14 3ZH * [email protected] Associate Editor – Chris Fielding Short Title – Sandy siltstones from seasonal flooding episodes ABSTRACT Flood-generated sandy siltstones are under-recognised deposits that preserve key vertebrate (actinopterygians, rhizodonts, and rarer lungfish, chondrichthyans and tetrapods), invertebrate and plant fossils. Recorded for the first time from the Lower Mississippian Ballagan This is an Accepted Article that has been peer-reviewed and approved for publication in the Sedimentology, but has yet to undergo copy-editing and proof correction. Please cite this article as an “Accepted Article”; doi: 10.1111/sed.12280 This article is protected by copyright. All rights reserved. Formation of Scotland, more than 140 beds occur throughout a 490 m thick core succession characterised by fluvial sandstones, palaeosols, siltstones, dolostone ‘cementstones’ and gypsum from a coastal–alluvial plain setting. Sandy siltstones are described as a unique taphofacies of the Ballagan Formation. They are matrix-supported siltstones with millimetre- sized siltstone and very fine sandstone lithic clasts. Common bioclasts include plants and megaspores, fish, ostracods, eurypterids and bivalves.
    [Show full text]
  • Fish and Tetrapod Communities Across a Marine to Brackish Salinity Gradient in the Pennsylvanian
    1 1 Fish and tetrapod communities across a marine to brackish salinity gradient in the 2 Pennsylvanian (early Moscovian) Minto Formation of New Brunswick, Canada, and 3 their palaeoecological and palaeogeographic implications 4 5 by AODHÁN Ó GOGÁIN1, HOWARD J. FALCON-LANG2, DAVID K. CARPENTER3, 6 RANDALL F. MILLER4, MICHAEL J. BENTON1, PEIR K. PUFAHL5, MARCELLO 7 RUTA6, THOMAS DAVIES1, STEVEN J. HINDS7 and MATTHEW R. STIMSON4, 7 8 9 1 School of Earth Sciences, University of Bristol, Bristol, BS8 1RJ, UK; e-mail: 10 [email protected]; [email protected]; [email protected] 11 2 Department of Earth Sciences, Royal Holloway, Egham, Surrey, TW20 0EX, UK; e-mail: 12 [email protected] 13 3 Ocean and Earth Science, National Oceanography Centre Southampton, University of 14 Southampton Waterfront Campus, European Way, Southampton, SO14 3ZH, UK; e-mail: 15 [email protected] 16 4 Natural Science Department, New Brunswick Museum, 277 Douglas Avenue, Saint John, 17 New Brunswick, E2K 1E5, Canada; e-mail: [email protected], 18 [email protected] 19 5 Department of Earth and Environmental Science, Acadia University, Wolfville, Nova 20 Scotia, B4P 2R6, Canada; e-mail: [email protected] 21 6 Department of EarthSchool of Life Sciences, University of Lincoln, Riseholme HallGreen 22 Lane, Riseholme Park, Lincoln 23 Lincolnshire, LN62 7D2LG, UK; e-mail: [email protected] 24 7 New Brunswick Department of Energy and Mines, Geological Surveys Branch, Fredericton, 25 New Brunswick, E3B 5H1, Canada; e-mail: [email protected] 2 26 3 27 Abstract: Fishes rapidly diversified into brackish coastal environments in Pennsylvanian 28 times, and here we report new assemblages from New Brunswick, Canada, which shed light 29 on this evolutionary event.
    [Show full text]
  • Late Devonian Paleontology and Paleoenvironments at Red Hill and Other Fossil Sites in the Catskill Formation of North-Central Pennsylvania Edward B
    View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Digital Commons @ West Chester University West Chester University Digital Commons @ West Chester University Geology & Astronomy Faculty Publications Geology & Astronomy 2011 Late Devonian paleontology and paleoenvironments at Red Hill and other fossil sites in the Catskill Formation of north-central Pennsylvania Edward B. Daeschler Academy of Natural Sciences of Philadelphia Walter L. Cressler III West Chester University of Pennsylvania, [email protected] Follow this and additional works at: http://digitalcommons.wcupa.edu/geol_facpub Part of the Paleobiology Commons, and the Paleontology Commons Recommended Citation Daeschler, E.B., and Cressler, W.L., III, 2011. Late Devonian paleontology and paleoenvironments at Red Hill and other fossil sites in the Catskill Formation of north-central Pennsylvania. In R.M. Ruffolo and C.N. Ciampaglio [eds.], From the Shield to the Sea: Geological Trips from the 2011 Joint Meeting of the GSA Northeastern and North-Central Sections, pp. 1-16. Geological Society of America Field Guide 20. This Article is brought to you for free and open access by the Geology & Astronomy at Digital Commons @ West Chester University. It has been accepted for inclusion in Geology & Astronomy Faculty Publications by an authorized administrator of Digital Commons @ West Chester University. For more information, please contact [email protected]. FLD020-01 1st pgs page 1 The Geological Society of America Field Guide 20 2011 Late Devonian paleontology and paleoenvironments at Red Hill and other fossil sites in the Catskill Formation of north-central Pennsylvania Edward B. Daeschler Vertebrate Paleontology, Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, Pennsylvania 19103, USA Walter L.
    [Show full text]