Eutheria

E38259

clade mammal clade taxon

Eutheria is a major clade of mammals that includes all placental mammals and their extinct relatives, characterized by prolonged gestation and complex placental development.

Aliases (1)

Placentalia ×1

Statements (51)

Predicate	Object
instanceOf	clade → mammal clade → taxon →
characteristic	complete development of young before birth → complex placenta → prolonged gestation → viviparity →
class	Mammalia →
commonName	eutherian mammals →
contains	Afrotheria → Euarchontoglires → Laurasiatheria → Xenarthra →
definingFeature	absence of epipubic bones in living forms → presence of a true placenta connecting fetus and mother →
distinguishedFrom	Metatheria by longer intrauterine development →
earliestFossils	Eomaia → Juramaia →
excludes	Marsupialia → Monotremata →
fossilRange	Late Jurassic to Recent →
includes	Afrosoricida → Carnivora → Cetartiodactyla → Chiroptera → Cingulata → Dermoptera → Eulipotyphla → Hyracoidea → Lagomorpha → Macroscelidea → Microbiotheria (fossil eutherians sometimes historically misassigned) → Perissodactyla → Pholidota → Pilosa → Placentalia → Primates → Proboscidea → Rodentia → Scandentia → Sirenia → Tubulidentata →
kingdom	Animalia →
namedBy	Thomas Henry Huxley →
parentTaxon	Theria →
phylum	Chordata →
reproduction	placental reproduction →
sisterGroup	Metatheria →
subclass	Theria →
taxonRank	infraclass →
yearNamed	1880 →

Referenced by (6)

Subject (surface form when different)	Predicate
Artiodactyla → Laurasiatheria → Perissodactyla →	infraclass
Laurasiatheria ("Placentalia") → Laurasiatheria →	isSubsetOf
Xerospermophilus →	belongsToClade