archipterygium

English

Etymology

From New Latin archipterygium, from Ancient Greek ἀρχι- (arkhi-) + πτερύγιον (pterúgion). By surface analysis, archi- +‎ pterygium

Noun

archipterygium (plural archipterygia)

  1. (anatomy) A primitive fin, like that of Ceratodus.

References

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