D. S. Jordan & C. H. Gilbert, 1882
Fundulidae is the family of topminnows and (mainly) North American killifishes. The 46 species are native to North America as far south as Yucatan, and to the islands of Bermuda and Cuba, occurring in both freshwater and marine environments.
The distinguishing characteristic of the family is the maxillary bone, which is twisted instead of being straight.
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