crossopterygia love


from The Century Dictionary.

  • In Cope's early system of classification, a subclass of fishes.
  • In Cope's later system (1887), a superorder limited to teleostomous fishes having dorsal, anal, pectoral, and ventral basilar segments for the fins, those of the dorsal and anal numerous and each articulating with a single element, if any, and the actinosts numerous in the pectorals and ventrals.
  • Plural of crossopterygium.


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