| 释义 |
palaeo·nis·ci·dae
\ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈnisəˌdē\ noun plural
Usage: capitalized
Etymology: New Latin, from Palaeoniscum, type genus + -idae
: a family of extinct primitive ganoid fishes that lived from the Devonian to the Lias and have an elongate body covered usually with rhombic plates, small pectoral and ventral fins, a single dorsal and anal fin, a heterocercal tail, a skull covered with bony plates, and jaws bearing small teeth |