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

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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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Cite this Entry

“Rhipidistia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rhipidistia. Accessed 5 Dec. 2020.

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