Nota de aplicación
Extinct order of fossil marine reptiles characterized by a broad, flattened body, often a small head often on long flexible neck, a short tail, and four large, paddle-like limbs, dating to the Jurassic and Cretaceous periods.
Ubicación jerarquía
- faceta agentes
- .. organismo vivo (nombre jerárquico)
- .... organismo vivo (entidad)
- ...... Eucariota (dominio)
- ........ animal (reino)
- .......... Chordata (phylum)
- ............ vertebrado (filo)
- .............. Reptilia (clase)
- ................ Diapsida (subclass)
- .................. Archosauria (infraclass)
- .................. Dinosauria (superorden extinta) [+]
- .................. Nothosauroidea (extinct order)
- .................. Placodontia (extinct order)
- .................. Plesiosauria (extinct order)