lepospondylous
adjective
lep·o·spon·dy·lous
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
Word History
Etymology
lepo- + spondylous