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Ctenacanthus

noun
Cten·​acan·​thus | \ ˌtenəˈkan(t)thəs, ˌtēn-\

Definition of Ctenacanthus

: a genus of Upper Devonian and Lower Permian sharks related to Cladoselache and known chiefly from its very stout fin spines

History and Etymology for Ctenacanthus

New Latin, from cten- + -acanthus

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