We found 2 dictionaries that define the word protacanthopterygii:

General (2 matching dictionaries)

1. Protacanthopterygii, Protacanthopterygii: Wikipedia, the Free Encyclopedia

Definitions from Wikipedia (Protacanthopterygii) ▸ noun:  a superorder of ray-finned fish. ▸ Words similar to protacanthopterygii ▸ Usage examples for protacanthopterygii ▸ Idioms related to protacanthopterygii ▸ Wikipedia articles (New!) ▸ Popular adjectives describing protacanthopterygii ▸ Words that often appear near protacanthopterygii ▸ Rhymes of protacanthopterygii ▸ Invented words related to protacanthopterygii