Nota de aplicación
Extinct order of order of highly specialized snake-like amphibians with a small skull with large orbits, large fenestrae, reduced or absent bones at the back of the skull, and an extremely elongate body. Dating to the Carboniferous and Early Permian.
Ubicación jerarquía
- faceta agentes
- .. organismo vivo (nombre jerárquico)
- .... organismo vivo (entidad)
- ...... Eucariota (dominio)
- ........ animal (reino)
- .......... Chordata (phylum)
- ............ vertebrado (filo)
- .............. anfibio (clase)
- ................ Anura (orden) [+]
- ................ Caudata (order)
- ................ Gymnophiona (order)
- ................ Adelospondyli (extinct order)
- ................ Aistopoda (extinct order)
- ................ Lepospondyli (extinct former order)
- ................ Microsauria (extinct order)
- ................ Nectridea (extinct order)