River dolphins

noun

Word Frequency: 0.0

Definitions

1.nounAny dolphin that is found only in fresh or brackish water, now considered in one of three superfamilies Platanistoidea, †Lipotoidea, Inioidea, all in parvorder Odontoceti or in a grouping with hippopotamuses.

Synonyms

bottlenose dolphin dolphin porpoises crocodiles riverine rivers common dolphin ocean sunfish cetaceans flying fish delaware river riverbank

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