more intimate relationship between vertebral column and girdles In amphibians, a number of evolutionary trends represent adaptations to gravity and the need for support. i. Pectoral and pelvic girdles ...

At anterior end, below the notochord, is the intercentrum. Ichthyostegids (labyrinthodont amphibians) had vertebrae nearly identical with Rhipidistians Along with the development of stronger centra, ...

The spotted salamander is Ohio's state amphibian. This one was discovered in a vernal pond at Indian Creek MetroPark in Reily Township. Salamanders are important indicator species. They are very ...