: a genus (the type of the family Cladoselachidae) comprising the most primitive known sharklike fishes, restricted to the upper Devonian and with a few other extinct forms constituting the subclass Pleuropterygii
adjective or noun

Word History


New Latin, from clad- + -selache (from Greek selachos fish with cartilaginous skeleton)

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Dictionary Entries Near Cladoselache

Cite this Entry

“Cladoselache.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2023.

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