Published March 7, 2024 | Version v1
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FIG. 2. — Cosmoselachus mehlingi n. gen., n in A new operculate symmoriiform chondrichthyan from the Late Mississippian Fayetteville Shale (Arkansas, United States)

  • 1. Department of Biological Sciences, California State Polytechnic University, Humboldt, 1 Harpst Street, Arcata, CA 95521 (United States) and Division of Paleontology, American Museum of Natural History, Central Park West at 79 Street, New York, NY 10024 (United States) allison.bronson@humboldt.edu (corresponding author)
  • 2. Département Origines et Évolution, CR2P UMR 7207 (MNHN, CNRS, Sorbonne Université), Muséum national d'Histoire naturelle, 57 rue Cuvier, 75231 Paris cedex 05 (France) and Division of Paleontology, American Museum of Natural History, Central Park West at 79 Street, New York, NY 10024 (United States) alan.pradel@mnhn.fr
  • 3. Florida Museum of Natural History, Dickinson Hall, 1659 Museum Road, University of Florida, Gainesville, FL 32611 (United States) jssdenton@gmail.com
  • 4. Division of Paleontology, American Museum of Natural History, Central Park West at 79 Street, New York, NY 10024 (United States) maisey@amnh.org

Description

FIG. 2. — Cosmoselachus mehlingi n. gen., n. sp., three-dimensional renderings of specimen AMNH FF 20509, produced by computed tomographic (CT) scanning: A, ventral view of posterior half of specimen, anterior to top; B, ventral view of anterior part of the specimen, anterior to right, with opercular elements removed; C, dorsal view of anterior half of specimen, anterior to right. Note loss of anterior portion of cranium due to taphonomy. Abbreviations: add, depression potentially for adductor musculature; c, cranium; cb, ceratobranchials; ch, ceratohyals; d, denticles; mc, Meckel's cartilage; op, opercular cartilage; pa f, pharyngeal arch fragments; pq, palatoquadrate fragment; t, teeth. Scale bars: 5 cm.

Notes

Published as part of Bronson, Allison W., Pradel, Alan, Denton, John S. S. & Maisey, John G., 2024, A new operculate symmoriiform chondrichthyan from the Late Mississippian Fayetteville Shale (Arkansas, United States), pp. 101-117 in Geodiversitas 46 (4) on page 107, DOI: 10.5252/geodiversitas2024v46a4, http://zenodo.org/record/10803231

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