crossopterygian

• Sustantivo que designa cualquier pez del orden de los Crossopterygii (peces de aletas lobuladas), la mayoría de los cuales solo se conocen por fósiles. Incluye a los celacantos y a formas ancestrales de los vertebrados terrestres.

A noun referring to any fish of the order Crossopterygii, most of which are known only in fossil form.

1. Lobe-finned fishC2formalscientific

   Any fish of the order Crossopterygii, characterized by fleshy, lobed fins; most species are known only from fossils, but they are considered ancestors of tetrapods.

   peces de aletas lobuladas

   • The crossopterygian is a key group in understanding the evolution of land vertebrates.
   • Fossils of crossopterygians have been found in Devonian rock formations.
   • Unlike modern fish, the crossopterygian had a unique skeletal structure in its fins.

   Sinónimoslobe-finned fish