Opisthocoela
plural noun
Opis·tho·coe·la
: 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
opisthocoelan noun
-lən
plural -s
opisthocoelid adjective or noun
⸗¦⸗⸗¦⸗lə̇d
Word History
Etymology
New Latin, from neuter plural of opisthocoelus hollow behind