Paraorthacodus
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Paraorthacodus is an extinct genus of shark. It a member of the family Paraorthacodontidae, which is either placed in Hexanchiformes or in Synechodontiformes. It is known from over a dozen named speci
Paraorthacodus jurensis
Paraorthacodus
Hexanchiformes
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The Hexanchiformes /hɛkˈsæŋkɪfɔːrmiːz/ are a primitive order of sharks, numbering just seven extant species in two families, Chlamydoselachidae and Hexanchidae. Chlamydoselachidae are also known as fr
Paraorthacodus
…It a member of the family Paraorthacodontidae (though it was formerly regarded as a member of the family Palaeospinacidae), which is either placed in Hexanchiformes or in Synechodontiformes. It is known from over a dozen named species spanning from the Early Jurassic to the Paleocene, or possibly Eocene. Almost all…
Notorynchus cepedianus head 3
Chlamydoselachus anguineus 2
Notidanodon sp. fossil at the Geological Museum, Copenhagen