ˌ ̷ ̷ ̷ ̷ˈsäməˌdē, -sōm- noun plural
Usage: capitalized
Etymology: New Latin, from Platysomus, type genus (from Greek platysōmos broad-bodied, from platy- + sōma body) + -idae — more at -some
: 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