Rhipidistia
plural noun
Rhip·i·dis·tia
ˌripəˈdistēə
: an order of extinct crossopterygian fishes that have the basal bones of the median fins united into one mass see holoptychiidae , osteolepidae
rhipidistian adjective or noun
¦⸗⸗¦distēən
rhipidistid adjective or noun
-tə̇d
Word History
Etymology
New Latin, from rhipid- + Greek histia, plural of histion sail; akin to Greek histanai to cause to stand