Microsauria (extinct order)
Esquema
Jerarquía
Eukaryota (domain) > Animalia (kingdom) > Chordata (phylum) > Vertebrata (subphylum) > Amphibia (class)
Descripción
Extinct order of order of amphibians characterized by a spool-shaped bony cylinder around the notochord. Dates to the Lower Pennsylvanian to Middle Permian.
URI original del concepto
Otros términos
- microsaurians [en]
- microsaurian [en]