Results 21 to 30 of about 196 (110)
Peculiar tooth renewal in a Jurassic ray‐finned fish (Lepisosteiformes, †Scheenstia sp.)
Palaeontology, Volume 63, Issue 1, Page 117-129, January 2020., 2020 Abstract Tooth replacement in vertebrates is extremely diverse, and its study in extinct taxa gives insights into the evolution of the different dental renewal modes. Based on μ‐CT scans of a left lower jaw of the extinct fish †Scheenstia (Actinopterygii, Lepisosteiformes), we describe in detail a peculiar tooth replacement mode that is, as far as we ...
Léa Leuzinger +4 more
wiley +1 more source
, 2023 <p> <i>Pycnodontiformes</i></p> <p> La collection Combes de vertébrés du Kimméridgien de Fumel est particulièrement riche en restes de Pycnodontiformes (Fig. 16-21). En mettant à part les
Brignon, Arnaud
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European Journal of Taxonomy, 2014 The osteology of “Coccodus” lindstroemi is studied in detail and it is demonstrated that this species does not belong to the genus Coccodus, but is a rather primitive member of the pycnodontiform family Gladiopycnodontidae. Indeed, the snout of “Coccodus”
Louis Taverne, Luigi Capasso
doaj +1 more source
The dentition of the enigmatic pycnodont fish, Athrodon wittei (Fricke, 1876) (Neopterygii, Pycnodontiformes; Late Jurassic; NW Germany) [PDF]
Fossil Record, 2008 Most pycnodontiform fishes are represented by their distinctive dentition alone, whereas articulated skeletons are very rare and the systematic position of most taxa based upon isolated teeth and the association of upper and lower dentitions to a ...
J. Kriwet
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Stable isotope study of a new chondrichthyan fauna (Kimmeridgian, Porrentruy, Swiss Jura): an unusual freshwater-influenced isotopic composition for the hybodont shark Asteracanthus [PDF]
Biogeosciences, 2015 Chondrichthyan teeth (sharks, rays, and chimaeras) are mineralized in isotopic equilibrium with the surrounding water, and parameters such as water temperature and salinity can be inferred from the oxygen isotopic composition (δ18Op) of their bioapatite.
L. Leuzinger +4 more
doaj +1 more source
Macromesodon Blake, 1905 and Apomesodon Poyato-Ariza & Wenz, 2002 (Actinopterygii, Pycnodontiformes) from the Jurassic and lowermost Cretaceous of England, France, and Germany [PDF]
Swiss Journal of PalaeontologyThe pycnodontiform genera Macromesodon and Apomesodon from the Upper Jurassic and lowermost Cretaceous of Central and Western Europe are described in detail and their union into one genus is rejected.
Martin Ebert
doaj +3 more sources
, 2021 Ray-finned fishes (Actinopterigii) pycnodontiformes compounds a specialized group, small to medium-sized, with laterally compressed body and a batteries of flattened, peg-like teeth on the vomer, adapted for feeding on hard-shelled prey and by its life ...
Barbosa, José Antonio +2 more
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, 2018 Fig. 9. Libanopycnodus wenzi gen. et sp. nov., holotype, caudal skeleton (CLC S-574). The arrows point to the two most external principal caudal rays.Published as part of Taverne, Louis & Capasso, Luigi, 2018, Osteology and relationships of ...
Taverne, Louis +3 more
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, 2015 Fig. 24. Brembodus ridens Tintori, 1980. Sample CLC J-420. Small scales forming a mosaic surrounding the cloacaPublished as part of Taverne, Louis & Capasso, Luigi, 2015, Osteology and relationships of Acrorhinichthys poyatoi gen. et sp.
Taverne, Louis, Capasso, Luigi
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A Late Jurassic Ginglymodians and Pycnodontiformes from Torres Vedras, Portugal.
, 2022 For the last 20 to 25 years, Torres Vedras has been the scene of a crucial, vast and diversenumber of fossil vertebrate occurrences. Bony fish are part of this important collection. Here we present a set of 64 Pycnodontiformes indet.
Costa, Bruno +3 more
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