plural noun

Definition of Opisthocoela 

: a suborder of Salientia comprising frogs and toads having short free ribs and vertebrae that are concave behind but not in front and including the families Discoglossidae and Pipidae

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Other Words from Opisthocoela

opisthocoelan \-​lən \ noun plural -s
opisthocoelid \⸗¦⸗⸗¦⸗lə̇d \ adjective or noun

History and Etymology for Opisthocoela

New Latin, from neuter plural of opisthocoelus hollow behind

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