Australosphenida
E721097
Australosphenida is a clade of early-diverging, primarily Southern Hemisphere mammals that includes monotremes and their close fossil relatives, characterized by distinctive molar tooth patterns.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
mammal clade
ⓘ
taxon ⓘ |
| associatedWith | Gondwanan biotas ⓘ |
| characterizedBy |
complex occlusal patterns on molars
ⓘ
distinctive molar tooth patterns ⓘ posterolingual cusp on lower molars ⓘ tribosphenic-like molars ⓘ |
| class | Mammalia ⓘ |
| contains |
crown-group monotremes
ⓘ
stem monotremes ⓘ |
| debatedStatus | phylogenetic relationships with Theria ⓘ |
| diagnosedBy |
dental characters
ⓘ
jaw morphology ⓘ |
| divergesFrom |
Theria
NERFINISHED
ⓘ
other crown mammals ⓘ |
| fossilRecordRegions |
Antarctica
NERFINISHED
ⓘ
Australia NERFINISHED ⓘ Madagascar NERFINISHED ⓘ South America NERFINISHED ⓘ |
| geographicDistribution |
Gondwanan landmasses
ⓘ
primarily Southern Hemisphere ⓘ |
| hasLivingRepresentatives | yes ⓘ |
| hasTaxonomicUncertainty | yes ⓘ |
| higherClassification | Mammalia NERFINISHED ⓘ |
| includes |
Monotremata
NERFINISHED
ⓘ
fossil relatives of monotremes ⓘ monotremes ⓘ |
| includesFossilTaxon |
Ambondro
NERFINISHED
ⓘ
Asfaltomylos NERFINISHED ⓘ Ausktribosphenos NERFINISHED ⓘ Bishops ⓘ |
| kingdom | Animalia ⓘ |
| livingRepresentatives |
echidnas
ⓘ
platypus NERFINISHED ⓘ |
| phylum | Chordata ⓘ |
| proposedBy |
Richard L. Cifelli
NERFINISHED
ⓘ
Zhe-Xi Luo NERFINISHED ⓘ Zofia Kielan-Jaworowska NERFINISHED ⓘ |
| relatedTo |
Mammaliaformes
NERFINISHED
ⓘ
Theriiformes NERFINISHED ⓘ |
| taxonRank | clade ⓘ |
| temporalRange |
Mesozoic to Cenozoic
ⓘ
Middle Jurassic to Recent ⓘ |
| toothMorphologyType | australosphenidan molar pattern ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.