lepospondylous

adjective
lep·​o·​spon·​dy·​lous

Definition of lepospondylous

1 : having vertebrae enclosing the notochord each of which consists of a cylinder of bone shaped like an hourglass in longitudinal section used especially of some extinct stegocephalian amphibians
2 [ New Latin Lepospondyli + English -ous ] : of or relating to the Lepospondyli
3 : having the vertebral centra develop directly as bone

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History and Etymology for lepospondylous

lepo- + spondylous

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