Crossword clue: one of an extinct order of reptiles, including mosasaurus and allied genera. see mosasauria.

The most common answer is mosasaur (8 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

mosasaur 8 letters web-def

One of an extinct order of reptiles, including Mosasaurus and allied genera. See Mosasauria.

mosasaurian 11 letters web-def

One of an extinct order of reptiles, including Mosasaurus and allied genera. See Mosasauria.