Acrodus (from
Greek: άκροςákros, 'high' and
Greek: ὀδούςodoús 'tooth')[2] is an extinct genus of
hybodont spanning from the Early
Triassic[3] to the
Late Jurassic.[4] (The Early Cretaceous species "Acrodus" nitidus affinity to the genus is questionable.[5]) It was
durophagous, with blunt, broad teeth designed for crushing and grinding.[6] Some Middle Triassic species have been suggested to have grown to lengths of 1.8–2.5 metres (5.9–8.2 ft).[7] Species are known from both marine and freshwater environments, with all Middle and Late Jurassic species only known from freshwater.[4]
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