Placentalia (subclass)
Esquema
Jerarquía
Eukaryota (domain) > Animalia (kingdom) > Chordata (phylum) > Vertebrata (subphylum) > Mammalia (class)
Descripción
Grouping consisting of about 4,700 living species in 20 orders, characterized by the fetus being nourished during gestation by a placenta.
URI original del concepto
Otros términos
- placental mammals [en]
- placental mammal [en]