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Rhipidistia

plural noun
Rhip·​i·​dis·​tia | \ ˌripəˈdistēə\

Definition of Rhipidistia

: an order of extinct crossopterygian fishes that have the basal bones of the median fins united into one mass — see holoptychiidae , osteolepidae

Other Words from Rhipidistia

rhipidistian \ ¦⸗⸗¦distēən \ adjective or noun
rhipidistid \ -​tə̇d \ adjective or noun

History and Etymology for Rhipidistia

New Latin, from rhipid- + Greek histia, plural of histion sail; akin to Greek histanai to cause to stand

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