Definition of Platysomidae
: 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
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Origin and Etymology of platysomidae
New Latin, from Platysomus, type genus (from Greek platysōmos broad-bodied, from platy- + sōma body) + -idae — more at -some
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