Platysomidae
plural noun
Platy·som·i·dae
-sōm-
: a family of Carboniferous and Permian ganoid fishes (order Archistia) having a deep compressed body covered with rhombic scales joined by peg-and-socket joints
Word History
Etymology
New Latin, from Platysomus, type genus (from Greek platysōmos broad-bodied, from platy- + sōma body) + -idae