Ameridelphia

E538448

Ameridelphia is a proposed infraclass of marsupial mammals that primarily includes the American opossums and their close relatives.

All labels observed (1)

Label Occurrences
Ameridelphia canonical 5

How this entity was disambiguated

Statements (36)

Predicate Object
instanceOf infraclass
taxon
characteristic marsupial reproduction
presence of marsupium in many species
viviparous mammals
class Mammalia
contains New World marsupials
contrastedWith Australidelphia
definedBy molecular phylogenetic evidence
morphological characters
distribution Americas
endemicTo New World
evolutionaryOrigin South America
hasCharacteristic didactyl hind feet in many members
polyprotodont dentition in many members
hasCommonName Ameridelphians
hasTypeMember Didelphis virginiana
linked to: Virginia opossum
higherClassification Marsupialia
includes American opossums
Didelphidae
Didelphimorphia
close relatives of American opossums
infraclass Marsupialia
kingdom Animalia
memberOf Marsupialia
phylum Chordata
proposedAs infraclass of marsupial mammals
relatedTo Metatheria
linked to: Marsupialia
subclass Theria
taxonomicStatus not universally accepted
proposed
taxonRank infraclass
timeOfOrigin Cretaceous
Paleogene
usedIn mammalian classification
marsupial phylogeny

How these facts were elicited

Referenced by (5)

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

Australidelphia contrastedWith Ameridelphia
Australidelphia sisterGroupOf Ameridelphia
Microbiotheria onceClassifiedAs Ameridelphia
Didelphimorphia superorder Ameridelphia
Paucituberculata superorder Ameridelphia