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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