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Pronunciation varies by accent · noun
(biology) 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.
Many sarcopterygians have a lung as a respiratory organ.
2004, M. L. J. Stiassny, E. O, Wiley, G. D. Johnson, M. R, de Carvalho, 24: Gnathostome Fishes, Joel Cracraft, Michael J. Donoghue (editors), Assembling the Tree of Life, page 415, All sarcopterygians are characterized by the evolutionary innovation of having the pectoral fins articulating with the shoulder girdle by a single element, known as the humerus in tetrapods.
Use sarcopterygian when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Sarcopterygian means (biology) Any lobe-finned fish of the class Sarcopterygii, including the lungfish and coelacanths..
Common synonyms include lobefin.
Possible antonyms include actinopterygian.
[…] 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.
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