any coelacanth: thought to be the precursors of amphibians
Origin of crossopterygian; from Modern Latin Crossopterygii, name of the group (; from Classical Greek krossoi, fringe + pteryx, fin, wing: see pterygoid) + -an
Any of various lobe-finned fishes, including the coelacanths but usually not the lungfishes. No longer in scientific use.
Origin of crossopterygianFrom New Latin Crossopterygi&imacron;, group name : Greek krossoi, fringe (from kross&omacron;tos, fringed, from krossai, projecting stone blocks) + Greek pterugia, fins, pl. diminutive of pterux, pterug-, wing; see pterygoid.
- (zoology) Of or pertaining to the Crossopterygii.
- (zoology) One of the Crossopterygii.