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Cyprinodontiformes
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Cyprinodontiformes

fish order

Learn about this topic in these articles:

annotated classification

  • pumpkinseed sunfish
    In fish: Annotated classification

    Order Cyprinodontiformes (killifishes and live-bearers) Symmetrical caudal skeleton with single epural mirroring autogenous parhypural; 1st pleural rib on the 2nd, rather than the 3rd vertebra. 9 families, with about 109 genera and at least 1,000 species. Freshwater and coastal marine. Order Beloniformes

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