Nota de aplicación
Extinct order of order of amphibians characterized by vertebrae in which large fan-shaped hemal arches grow directly downward from the middle of each caudal centrum. Dates to the Lower Pennsylvanian to Middle 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)