| 释义 |
clad·o·dus
\ˈkladədəs\ noun
Usage: capitalized
Etymology: New Latin, from clad- + -odus
in some classifications : a genus of primitive Carboniferous sharks supposedly distinguished by teeth with a tall central cusp, a broad base, and one or more pairs of lateral tubercles, a character now known to have occurred widely in early elasmobranchs |