ˌkladəˈselə(ˌ)kē noun
Usage: capitalized
Etymology: New Latin, from clad- + -selache (from Greek selachos fish with cartilaginous skeleton) — more at selachii
: 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
• cladoselachian |kladōsə̇|lākēən adjective or noun