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JVP 26(3) September 2006—ABSTRACTS
Neoceti Symposium, Saturday 8:45 acid-prepared osteolepiforms Medoevia and Gogonasus has offered strong support for BODY SIZE AND CRYPTIC TROPHIC SEPARATION OF GENERALIZED Jarvik’s interpretation, but Eusthenopteron itself has not been reexamined in detail. PIERCE-FEEDING CETACEANS: THE ROLE OF FEEDING DIVERSITY DUR- Uncertainty has persisted about the relationship between the large endoskeletal “fenestra ING THE RISE OF THE NEOCETI endochoanalis” and the apparently much smaller choana, and about the occlusion of upper ADAM, Peter, Univ. of California, Los Angeles, Los Angeles, CA; JETT, Kristin, Univ. of and lower jaw fangs relative to the choana. California, Davis, Davis, CA; OLSON, Joshua, Univ. of California, Los Angeles, Los A CT scan investigation of a large skull of Eusthenopteron, carried out in collaboration Angeles, CA with University of Texas and Parc de Miguasha, offers an opportunity to image and digital- Marine mammals with homodont dentition and relatively little specialization of the feeding ly “dissect” a complete three-dimensional snout region. We find that a choana is indeed apparatus are often categorized as generalist eaters of squid and fish. However, analyses of present, somewhat narrower but otherwise similar to that described by Jarvik. It does not many modern ecosystems reveal the importance of body size in determining trophic parti- receive the anterior coronoid fang, which bites mesial to the edge of the dermopalatine and tioning and diversity among predators. We established relationships between body sizes of is received by a pit in that bone. The fenestra endochoanalis is partly floored by the vomer extant cetaceans and their prey in order to infer prey size and potential trophic separation of and the dermopalatine, restricting the choana to the lateral part of the fenestra. -
Mesozoic Marine Reptile Palaeobiogeography in Response to Drifting Plates
ÔØ ÅÒÙ×Ö ÔØ Mesozoic marine reptile palaeobiogeography in response to drifting plates N. Bardet, J. Falconnet, V. Fischer, A. Houssaye, S. Jouve, X. Pereda Suberbiola, A. P´erez-Garc´ıa, J.-C. Rage, P. Vincent PII: S1342-937X(14)00183-X DOI: doi: 10.1016/j.gr.2014.05.005 Reference: GR 1267 To appear in: Gondwana Research Received date: 19 November 2013 Revised date: 6 May 2014 Accepted date: 14 May 2014 Please cite this article as: Bardet, N., Falconnet, J., Fischer, V., Houssaye, A., Jouve, S., Pereda Suberbiola, X., P´erez-Garc´ıa, A., Rage, J.-C., Vincent, P., Mesozoic marine reptile palaeobiogeography in response to drifting plates, Gondwana Research (2014), doi: 10.1016/j.gr.2014.05.005 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. ACCEPTED MANUSCRIPT Mesozoic marine reptile palaeobiogeography in response to drifting plates To Alfred Wegener (1880-1930) Bardet N.a*, Falconnet J. a, Fischer V.b, Houssaye A.c, Jouve S.d, Pereda Suberbiola X.e, Pérez-García A.f, Rage J.-C.a and Vincent P.a,g a Sorbonne Universités CR2P, CNRS-MNHN-UPMC, Département Histoire de la Terre, Muséum National d’Histoire Naturelle, CP 38, 57 rue Cuvier, -
Campanian and Austinian-Tayloran Stage Boundaries in Mississippi and Alabama Using Calcareous Microfossils
Documentation of the Santonian Campanian and Austinian-Tayloran Stage Boundaries in Mississippi and Alabama Using Calcareous Microfossils U.S. GEOLOGICAL SURVEY BULLETIN 1884 AVAILABILITY OF BOOKS AND MAPS OF THE U.S. GEOLOGICAL SURVEY Instructions on ordering publications of the U.S. Geological Survey, along with prices of the last offerings, are given in the cur rent-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices of available U.S. Geological Sur vey publications released prior to the current year are listed in the most recent annual "Price and Availability List" Publications that are listed in various U.S. Geological Survey catalogs (see back inside cover) but not listed in the most recent annual "Price and Availability List" are no longer available. Prices of reports released to the open files are given in the listing "U.S. Geological Survey Open-File Reports," updated month ly, which is for sale in microfiche from the U.S. Geological Survey, Books and Open-File Reports Section, Federal Center, Box 25425, Denver, CO 80225. Reports released through the NTIS may be obtained by writing to the National Technical Information Service, U.S. Department of Commerce, Springfield, VA 22161; please include NTIS report number with inquiry. Order U.S. Geological Survey publications by mail or over the counter from the offices given below. BY MAIL OVER THE COUNTER Books Books Professional Papers, Bulletins, Water-Supply Papers, Techniques of Water-Resources Investigations, Circulars, publications of -
American Museum Novitates
AMERICAN MUSEUM NOVITATES Number 3954, 29 pp. June 16, 2020 A new genus of Late Cretaceous angel shark (Elasmobranchii; Squatinidae), with comments on squatinid phylogeny JOHN G. MAISEY,1 DANA J. EHRET,2 AND JOHN S.S. DENTON3 ABSTRACT Three-dimensional Late Cretaceous elasmobranch endoskeletal elements (including palato- quadrates, ceratohyals, braincase fragments, and a series of anterior vertebrae) are described from the Late Cretaceous University of Alabama Harrell Station Paleontological Site (HSPS), Dallas County, Alabama. The material is referred to the extant elasmobranch Family Squatinidae on the basis of several distinctive morphological features. It also exhibits features not shared by any modern or fossil Squatina species or the extinct Late Jurassic squatinid Pseudorhina. A new genus and species is erected, despite there being some uncertainty regarding potential synonymy with existing nominal species previously founded on isolated fossil teeth (curiously, no squatinid teeth have been docu- mented from the HSPS). A preliminary phylogenetic analysis suggests that the new genus falls on the squatinid stem, phylogenetically closer to Squatina than Pseudorhina. The craniovertebral articu- lation in the new genus exhibits features considered convergent with modern batomorphs (skates and rays), including absence of contact between the posterior basicranium and first vertebral cen- trum, and a notochordal canal which fails to reach the parachordal basicranium. Supporting evi- dence that similarities in the craniovertebral articulation of squatinoids and batomorphs are convergent rather than synapomorphic (as “hypnosqualeans”) is presented by an undescribed Early Jurassic batomorph, in which an occipital hemicentrum articulates with the first vertebral centrum as in all modern sharklike (selachimorph) elasmobranchs. The fossil suggests instead that the bato- 1 Department of Vertebrate Paleontology, American Museum of Natural History, NY. -
Fossil Chimaeroid Remains (Chondrichthyes: Holocephali) from Williamsburg County, South Carolina, Usa
Paludicola 8(1):37-48 September 2010 © by the Rochester Institute of Vertebrate Paleontology FOSSIL CHIMAEROID REMAINS (CHONDRICHTHYES: HOLOCEPHALI) FROM WILLIAMSBURG COUNTY, SOUTH CAROLINA, USA David J. Cicimurri Campbell Geology Museum, Clemson University, Clemson, South Carolina 29634 <[email protected]> ABSTRACT Three fossil holocephalian tooth plates have been recovered in Kingstree, Williamsburg County, South Carolina. All of the fossils were collected from a lag deposit containing a temporally mixed vertebrate assemblage. Two specimens, an incomplete left mandibular tooth plate and an incomplete left palatine tooth plate, are Edaphodon and compare favorably to E. mirificus. The third specimen is an incomplete and highly abraded right mandibular tooth plate from a very young individual that is questionably referred to Edaphodon. The tooth plates were associated with Cretaceous shark and dinosaur teeth, Paleocene shark and crocodilian teeth and turtle bones, and Plio-Pleistocene shark teeth and terrestrial mammal remains. The source of the Cretaceous fossils is arguably from Maastrichtian (late Cretaceous) strata (i.e., Peedee or Steel Creek formations), whereas Paleocene fossils are likely derived from the Danian (lower Paleocene) Rhems Formation. These fossils were probably concentrated together during Plio- Pleistocene sea level highstand, at which time the younger vertebrate material was deposited. INTRODUCTION Fossils from Clapp Creek came to the attention of Rudy Mancke (then Curator of Natural History at the Some of the geologic history of the South South Carolina State Museum) in the mid 1980s, and Carolina Coastal Plain is preserved as a complex soon thereafter he alerted Bruce Lampright (then of stratigraphic sequence that is far from completely Coastal Carolina University) to the fossil deposits to be understood. -
Diversity of Raptor Dinosaurs in Southeastern North America Revealed by the First Definite Record from North Carolina
Diversity of raptor dinosaurs in southeastern North America revealed by the first definite record from North Carolina Chase Brownstein, Research Associate, Department of Collections & Exhibitions Stamford Museum & Nature Center. [email protected] Abstract. During the Cretaceous period, North America was divided into two landmasses, the eastern Appalachia and western Laramidia. Recent research on several sites scattered across the eastern margin of North America has allowed for the analysis of vertebrate faunas from the once obscured terrestrial fossil record of Appalachia, revealing the landmass harbored a distinctive fauna composed of mostly relict forms. One geological unit that has produced a comparatively extensive record of terrestrial vertebrates, including non-avian dinosaurs, is the Tar Heel Formation of North Carolina. Here, I report the first definitive occurrence of a dromaeosaurid from the Tar Heel Formation in the form of a tooth from a fairly large member of that group. This tooth, like others previously discovered from the southeastern portion of North America, compares favorably with those of saurornitholestine dromaeosaurids from the western United States and Canada. The North Carolina tooth differs in morphology and size from previously reported southeastern North American dromaeosaurid teeth, but is still assignable to a saurornitholestine dromaeosaurid, evincing that the diversity of carnivorous bird-like dinosaurs in the southeastern part of North America during the Late Cretaceous may have been rather low. The tooth, which is intermediate in size between those of smaller dromaeosaurids like !1 PeerJ Preprints | https://doi.org/10.7287/peerj.preprints.26829v1 | CC BY 4.0 Open Access | rec: 5 Apr 2018, publ: 5 Apr 2018 Saurornitholestes and gigantic forms like Dakotaraptor, helps fill the gap between larger- and smaller-bodied dromaeosaurids from the Late Cretaceous. -
Family-Group Names of Fossil Fishes
European Journal of Taxonomy 466: 1–167 ISSN 2118-9773 https://doi.org/10.5852/ejt.2018.466 www.europeanjournaloftaxonomy.eu 2018 · Van der Laan R. This work is licensed under a Creative Commons Attribution 3.0 License. Monograph urn:lsid:zoobank.org:pub:1F74D019-D13C-426F-835A-24A9A1126C55 Family-group names of fossil fishes Richard VAN DER LAAN Grasmeent 80, 1357JJ Almere, The Netherlands. Email: [email protected] urn:lsid:zoobank.org:author:55EA63EE-63FD-49E6-A216-A6D2BEB91B82 Abstract. The family-group names of animals (superfamily, family, subfamily, supertribe, tribe and subtribe) are regulated by the International Code of Zoological Nomenclature. Particularly, the family names are very important, because they are among the most widely used of all technical animal names. A uniform name and spelling are essential for the location of information. To facilitate this, a list of family- group names for fossil fishes has been compiled. I use the concept ‘Fishes’ in the usual sense, i.e., starting with the Agnatha up to the †Osteolepidiformes. All the family-group names proposed for fossil fishes found to date are listed, together with their author(s) and year of publication. The main goal of the list is to contribute to the usage of the correct family-group names for fossil fishes with a uniform spelling and to list the author(s) and date of those names. No valid family-group name description could be located for the following family-group names currently in usage: †Brindabellaspidae, †Diabolepididae, †Dorsetichthyidae, †Erichalcidae, †Holodipteridae, †Kentuckiidae, †Lepidaspididae, †Loganelliidae and †Pituriaspididae. Keywords. Nomenclature, ICZN, Vertebrata, Agnatha, Gnathostomata. -
A New High-Latitude Tylosaurus (Squamata, Mosasauridae) from Canada with Unique
A new high-latitude Tylosaurus (Squamata, Mosasauridae) from Canada with unique dentition A thesis submitted to the Graduate School of the University of Cincinnati in partial fulfillment of the requirements for the degree of Master of Science in the Department of Biological Sciences of the College of Arts and Sciences by Samuel T. Garvey B.S. University of Cincinnati B.S. Indiana University March 2020 Committee Chair: B. C. Jayne, Ph.D. ABSTRACT Mosasaurs were large aquatic lizards, typically 5 m or more in length, that lived during the Late Cretaceous (ca. 100–66 Ma). Of the six subfamilies and more than 70 species recognized today, most were hydropedal (flipper-bearing). Mosasaurs were cosmopolitan apex predators, and their remains occur on every continent, including Antarctica. In North America, mosasaurs flourished in the Western Interior Seaway, an inland sea that covered a large swath of the continent between the Gulf of Mexico and the Arctic Ocean during much of the Late Cretaceous. The challenges of paleontological fieldwork in high latitudes in the Northern Hemisphere have biased mosasaur collections such that most mosasaur fossils are found within 0°–60°N paleolatitude, and in North America plioplatecarpine mosasaurs are the only mosasaurs yet confirmed to have existed in paleolatitudes higher than 60°N. However, this does not mean mosasaur fossils are necessarily lacking at such latitudes. Herein, I report on the northernmost occurrence of a tylosaurine mosasaur from near Grande Prairie in Alberta, Canada (ca. 86.6–79.6 Ma). Recovered from about 62°N paleolatitude, this material (TMP 2014.011.0001) is assignable to the subfamily Tylosaurinae by exhibiting a cylindrical rostrum, broadly parallel-sided premaxillo-maxillary sutures, and overall homodonty. -
Antarctic Science a New Species of Chimaeriform
Antarctic Science http://journals.cambridge.org/ANS Additional services for Antarctic Science: Email alerts: Click here Subscriptions: Click here Commercial reprints: Click here Terms of use : Click here A new species of chimaeriform (Chondrichthyes, Holocephali) from the uppermost Cretaceous of the López de Bertodano Formation, Isla Marambio (Seymour Island), Antarctica Rodrigo A. Otero, David RubilarRogers, Roberto E. YuryYañez, Alexander O. Vargas, Carolina S. Gutstein, Francisco Amaro Mourgues and Emmanuel Robert Antarctic Science / FirstView Article / October 2012, pp 1 8 DOI: 10.1017/S095410201200079X, Published online: Link to this article: http://journals.cambridge.org/abstract_S095410201200079X How to cite this article: Rodrigo A. Otero, David RubilarRogers, Roberto E. YuryYañez, Alexander O. Vargas, Carolina S. Gutstein, Francisco Amaro Mourgues and Emmanuel Robert A new species of chimaeriform (Chondrichthyes, Holocephali) from the uppermost Cretaceous of the López de Bertodano Formation, Isla Marambio (Seymour Island), Antarctica. Antarctic Science, Available on CJO doi:10.1017/S095410201200079X Request Permissions : Click here Downloaded from http://journals.cambridge.org/ANS, IP address: 181.73.37.125 on 09 Oct 2012 Antarctic Science page 1 of 8 (2012) & Antarctic Science Ltd 2012 doi:10.1017/S095410201200079X A new species of chimaeriform (Chondrichthyes, Holocephali) from the uppermost Cretaceous of the Lo´ pez de Bertodano Formation, Isla Marambio (Seymour Island), Antarctica RODRIGO A. OTERO1, DAVID RUBILAR-ROGERS1, -
General Geology of the Mississippi Embayment by E
General Geology of the Mississippi Embayment By E. M. GUSHING, E. H. BOSWELL, and R. L. HOSMAN WATER RESOURCES OF THE MISSISSIPPI EMBAYMENT GEOLOGICAL SURVEY PROFESSIONAL PAPER 448-B UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1964 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL SURVEY William T. Pecora, Director First printing 1964 Second printing 1968 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402 CONTENTS Page Stratigraphy Continued Page Abstract Bl Tertiary System Continued Introduction.. __ 1 Paleocene Series Continued Method of study 3 Midway Group Continued Acknowledgments-__ ____. 4 Porters Creek Clay____ B14 Geology- 4 Wills Point Formation.. 15 Stratigraphy, _______ 5 Naheola Formation 15 Paleozoic rocks _ 5 Eocene Series._. .. 16 Cretaceous System 5 Wilcox Group. 16 Lower Cretaceous Series 5 NanafaUa Formation __ 16 Trinity Group _._ ____ 9 Tuscahoma Sand.. 16 Upper Cretaceous Series __ 9 Hatchetigbee Formation__ ___ 16 Tuscaloosa Group _ 10 Berger and Saline Formations and Massive sand 10 Detonti Sand_.__. ... 17 Coker Formation.___._ _____ 10 Naborton Formation ___ 17 Gordo Formation.... _.__ 10 Dolet Hills Formation 17 Woodbine Formation 11 Claiborne Group 17 Eagle Ford Shale. ______________ 11 Tallahatta Formation_________ 17 McShan Formation._______ __._ 11 Carrizo Sand. 18 Eutaw Formation______________ 11 Mount Selman Formation ___________ 18 Tokio Formation._.____________ 11 Cane River Formation._____________ 18 Blossom Sand and Bonham Marl..__.__ 11 Winona Sand_____ _ 19 Selma Group _____ _______ 11 Zilpha Clay..._._ ___ _ 19 Mooreville Chalk_____________ 11 Sparta Sand 19 Coffee Sand_______________ 12 Cook Mountain Formation___ _ 20 Demopolis Chalk___________.___._ 12 Cockfield Formation._______ 21 Ripley Formation _ ..... -
Holocephali; Chondrichthyes)
bioRxiv preprint doi: https://doi.org/10.1101/2020.07.27.222737; this version posted July 28, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 1 Mineralisation of the Callorhinchus vertebral column 2 (Holocephali; Chondrichthyes) 3 4 Running title: Mineralisation of the Callorhinchus vertebral column 5 6 Jacob Pears1, Zerina Johanson2*, Kate Trinajstic1, Mason Dean3, Catherine 7 Boisvert1 8 1School of Molecular and Life Sciences, Curtin University, Perth, Australia. Email: 9 [email protected]; [email protected]; 10 [email protected] 11 2Department of Earth Sciences, Natural History Museum, London, UK. Email: 12 [email protected] 13 14 3Max Planck Institute of Colloids and Interfaces, Department of Biomaterials, Am 15 Muehlenberg 1, 14476 Potsdam, Germany. Email: [email protected] 16 17 *Correspondence: 18 Zerina Johanson: [email protected] 19 20 Keywords: Holocephali, Callorhinchus, tesserae, mineralisation, evolution, stem 21 group Holocephali 22 23 Abstract 24 Chondrichthyes (Elasmobranchii and Holocephali) are distinguished by their largely 25 cartilaginous endoskeleton that comprises an uncalcified core overlain by a mineralised layer; 26 in the Elasmobranchii (sharks, skates, rays) this mineralisation takes the form of calcified 27 polygonal tiles known as tesserae. In recent years, these skeletal tissues have been described 28 in ever increasing detail in sharks and rays but those of Holocephali (chimaeroids) have been 29 less well-described, with conflicting accounts as to whether or not tesserae are present. 30 During embryonic ontogeny in holocephalans, cervical vertebrae fuse to form a structure 31 called the synarcual. -
A List, Bibliography, and Index of the Fossil Vertebrates of Louisiana and Mississippi Daryl P
A LIST, BIBLIOGRAPHY, AND INDEX OF THE FOSSIL VERTEBRATES OF LOUISIANA AND MISSISSIPPI DARYL P. DOMNING1 Tulane University New Orleans, Louisiana ABSTRACT Species of fossil vertebrates reported from Louisiana and Mississippi are listed. The bibliography consists of 167 titles and contains detailed annotations on vertebrates from those states. Both systematic and chronologic-geographic indexes are provided. A BRIEF HISTORY OF these deposits had been generally recognized. In 1828 VERTEBRATE PALEONTOLOGY Richard Harlan, a Philadelphia physician and anatomist IN LOUISIANA AND MISSISSIPPI and the American Philosophical Society's expert on fossil bones, described the skull of a sperm whale which had Louisiana and Mississippi are not usually thought of as been disinterred near the mouth of the river some time areas possessing significant numbers of fossil vertebrates. before. (According to Harlan it had previously been Compared with many other parts of the United States, described as a giant reptile, "Megistosaurus", by John they seem to be among the least productive in this regard; Davidson Godman, in a paper which apparently was never but it would be more accurate to say they are among the published.) A very similar find was that of a large baleen most neglected. In fact, this region contains quite respect whale skull unearthed a few miles above New Orleans and able fossil faunas — principally Cretaceous, Eocene, and described in 1837 in two articles by A. E. A. Riviere. J. Pleistocene in age — and includes several classic localities E. DeKay, in 1842, illustrated a rorqual skull found about of considerable interest in the history of the science as a 1837, said to be from the mouth of the Mississippi, but whole.