sarcopterygian

Tanımlar (İngilizce)

1. isim Any lobe-finned fish of the class Sarcopterygii, including the lungfish and coelacanths.

   “[…] actinopterygians have 'ray fins' which are supported by a series of narrow cartilaginous or bony rods called radials, while sarcopterygians have 'lobe fins' supported by a single basal bone and with muscles that can modify the posture of the fin.”

2. isim Any member of the clade that contains both lobe-finned fish and tetrapods (land vertebrates).