Theria

E170447

clade mammal subclass taxon

Theria is a major subclass of mammals that includes all live-bearing species such as marsupials and placental mammals, excluding egg-laying monotremes.

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All labels observed (2)

Label	Occurrences
Theria canonical	26
Prototheria in older classifications	1

Statements (47)

Predicate	Object
instanceOf	clade ⓘ mammal subclass ⓘ taxon ⓘ
characteristic	live birth ⓘ viviparity ⓘ
class	Mammalia ⓘ
commonName	therians ⓘ
contains	carnivorans ⓘ humans ⓘ marsupials ⓘ most living mammals ⓘ placental mammals ⓘ primates ⓘ rodents ⓘ ungulates ⓘ
contrastedWith	Theria self-linksurface differs ⓘ surface form: Prototheria in older classifications
definedBy	live-bearing reproduction ⓘ
distinguishedFrom	egg-laying mammals ⓘ
encompasses	the vast majority of mammal species ⓘ
etymology	from Greek "thērion" meaning wild beast ⓘ
excludes	Monotremata ⓘ monotremes ⓘ
fossilRange	Jurassic to Recent ⓘ
hasCharacteristic	live-born young rather than shelled eggs ⓘ
hasDiagnosticFeature	absence of functional coracoid bone in shoulder girdle (relative to monotremes) ⓘ distinctive inner ear and jaw morphology ⓘ
hasExtantLineages	Eutheria ⓘ Marsupialia ⓘ surface form: Metatheria
hasLivingRepresentatives	true ⓘ
hasSubgroup	Eutheria ⓘ surface form: Eutheria (placental mammals) Marsupialia ⓘ surface form: Metatheria (marsupials and relatives)
hasTrait	nipples in most species ⓘ shorter egg stage than monotremes ⓘ well-developed placenta in eutherians ⓘ
higherClassification	Theriiformes in some systems ⓘ
includes	Eutheria ⓘ Marsupialia ⓘ surface form: Metatheria
kingdom	Animalia ⓘ
memberOf	Synapsida ⓘ
phylum	Chordata ⓘ
recognizedBy	modern systematics ⓘ
reproduction	embryos develop primarily in uterus ⓘ
reproductiveMode	non-egg-laying ⓘ
sisterGroupTo	Monotremata ⓘ
subclassOf	Mammalia ⓘ
taxonRank	subclass ⓘ
usedIn	vertebrate taxonomy ⓘ

Referenced by (27)

Full triples — surface form annotated when it differs from this entity's canonical label.

Carnivora → subclass → Theria ⓘ

Ruminantia → subclass → Theria ⓘ

Eutheria → subclass → Theria ⓘ

Eutheria → parentTaxon → Theria ⓘ

Laurasiatheria → subclass → Theria ⓘ

Whippomorpha → subclass → Theria ⓘ

Australidelphia → subclass → Theria ⓘ

Chiroptera → subclass → Theria ⓘ

Dasyuromorphia → subclass → Theria ⓘ

Theria → contrastedWith → Theria self-linksurface differs ⓘ

this entity surface form: Prototheria in older classifications

Monotremata → distinguishedFrom → Theria ⓘ

Afrotheria → subclass → Theria ⓘ

Xenarthra → subclass → Theria ⓘ

Eulipotyphla → subclass → Theria ⓘ

Microbiotheria (fossil eutherians sometimes historically misassigned) → subclass → Theria ⓘ

subject surface form: Microbiotheria

Juramaia → clade → Theria ⓘ

Euarchontoglires → subclass → Theria ⓘ

Scandentia → subclass → Theria ⓘ

Glires → subclass → Theria ⓘ

Pholidota → subclass → Theria ⓘ

Hystricognathi → subclass → Theria ⓘ

Pecora → subclass → Theria ⓘ

Xiphodontidae → subclass → Theria ⓘ

Boreoeutheria → subclass → Theria ⓘ

Sciuroidea → higherClassification → Theria ⓘ

Proboscidea → subclass → Theria ⓘ

Caniformia → higherClassification → Theria ⓘ