Phyllospondyli

plural noun

Phyl·​lo·​spon·​dy·​li

ˌfilōˈspändəˌlī

in some especially former classifications

: an order of extinct amphibians with phyllospondylous vertebrae that are now usually regarded as larval labyrinthodonts compare branchiosaurus

Word History

Etymology

New Latin, from phyll- + -spondyli

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