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Acrodus

Extinct genus of cartilaginous fishes

Summary

Extinct genus of cartilaginous fishes

Acrodus (from el, 'high' and el 'tooth') is an extinct genus of hybodont spanning from the Early Triassic to the Late Jurassic. (The Early Cretaceous species "Acrodus" nitidus affinity to the genus is questionable.) It was durophagous, with blunt, broad teeth designed for crushing and grinding. Some Middle Triassic species have been suggested to have grown to lengths of 1.8-2.5 m. Species are known from both marine and freshwater environments, with all Middle and Late Jurassic species only known from freshwater.

Species

Acrodus acuminatus
Acrodus acutus
Acrodus alexandrae
Acrodus alpinus
Acrodus anningiae
Acrodus angustus
Acrodus braunii
Acrodus (Acronemus) bicarenatus
Acrodus cuneocostatus
Acrodus dolloi
Acrodus falsus
Acrodus flemingianus
Acrodus gaillardoti
Acrodus illingworthi
Acrodus immarginatus
Acrodus jaeckeli
Acrodus kalasinensis
Acrodus keuperinus
Acrodus laevigatus
Acrodus (Acrodonchus) lateralis
Acrodus levis
Acrodus microdus
Acrodus (Acrodonchus) minimus
Acrodus nitidus
Acrodus nobilis
Acrodus olsoni
Acrodus oppenheimeri
Acrodus orbicularis
Acrodus oreodontus
Acrodus pulvinatus
Acrodus rugosus
Acrodus salomoni
Acrodus scaber
Acrodus simplex
Acrodus spitzbergensis
Acrodus striatus
Acrodus substriatus
Acrodus sweetlacruzensis
Acrodus undulatus
Acrodus vermicularis
Acrodus vermiformis
Acrodus virgatus
Acrodus wempliae

References

Friedrich von Alberti (1834): ''Beitrag zu einer Monographie des Bunten Sandsteins, Muschelkalks und Keupers und die Verbindung dieser Gebilde zu einer Formation''. Cotta, Stuttgart and Tübingen 1834, p. 90
(1839). "An etymological and explanatory dictionary of the terms and language of geology". Longman, Orme, Brown, Green, & Longmans.
Romano, Carlo. (June 2019). "Chondrichthyan teeth from the Early Triassic Paris Biota (Bear Lake County, Idaho, USA)". Geobios.
Cuny, Gilles. (September 2014). "Shark faunas from the Late Jurassic—Early Cretaceous of northeastern Thailand". Paläontologische Zeitschrift.
Cupello, Camila D.. (January 2012). "The Hybodontiformes (Chondrichthyes: Elasmobranchii) from the Missão Velha Formation (?Lower Cretaceous) of the Araripe Basin, North-East Brazil". Comptes Rendus Palevol.
(2021-08-17). "The Upper Triassic Polzberg palaeobiota from a marine Konservat-Lagerstätte deposited during the Carnian Pluvial Episode in Austria". Scientific Reports.
Niedźwiedzki, Robert. (2021-04-28). "A regurgitalite of the Middle Triassic (Muschelkalk) from Upper Silesia (Poland)". Geology, Geophysics and Environment.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

hybodontiformes triassic-cartilaginous-fish prehistoric-fish-of-europe paleogene-cartilaginous-fish fossil-taxa-described-in-1837 prehistoric-fish-of-north-america taxa-named-by-louis-agassiz

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