Avemetatarsalia
E673288
Avemetatarsalia is a major clade of archosaurs that includes dinosaurs (and thus birds) and their close relatives, representing the bird-line branch of archosaur evolution.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
bird-line archosaur
ⓘ
clade ⓘ |
| belongsToBranch | bird-line archosaurs ⓘ |
| clade | Archosauria NERFINISHED ⓘ |
| closestLivingRelatives | Crocodylia NERFINISHED ⓘ |
| containsExtantMembers | true ⓘ |
| containsFlyingVertebrates | true ⓘ |
| containsFlyingVertebratesGroup |
Aves
NERFINISHED
ⓘ
Pterosauria ⓘ |
| containsLargestTerrestrialAnimals | true ⓘ |
| contrastedWith |
Pseudosuchia
NERFINISHED
ⓘ
crocodile-line archosaurs ⓘ |
| definingFeature |
elongated metatarsals in hindlimb
ⓘ
generally gracile limb morphology ⓘ mesotarsal ankle joint trend ⓘ |
| dominantMesozoicTerrestrialVertebrates | true ⓘ |
| earliestFossilRecord | Middle Triassic ⓘ |
| etymologyLanguage | Greek ⓘ |
| etymologyMeaning | bird metatarsals ⓘ |
| evolutionarySignificance | represents origin of bird-line archosaurs ⓘ |
| extantRepresentatives | birds ⓘ |
| hasLivingRepresentatives | Aves NERFINISHED ⓘ |
| higherClassification | Archosauria NERFINISHED ⓘ |
| includesGroup |
avian dinosaurs
ⓘ
bird-line dinosaurs ⓘ non-avian dinosaurs ⓘ |
| includesMajorSubclade |
Dinosauromorpha
NERFINISHED
ⓘ
Ornithodira NERFINISHED ⓘ |
| includesTaxon |
Aves
NERFINISHED
ⓘ
Dinosauria NERFINISHED ⓘ Dinosauromorpha NERFINISHED ⓘ Lagerpetidae NERFINISHED ⓘ Ornithodira NERFINISHED ⓘ Pterosauria NERFINISHED ⓘ Silesauridae NERFINISHED ⓘ |
| kingdom | Animalia ⓘ |
| namedBy | Paul Sereno NERFINISHED ⓘ |
| partOf |
Diapsida
NERFINISHED
ⓘ
Reptilia NERFINISHED ⓘ |
| phylogeneticDefinition | all archosaurs closer to birds than to crocodilians ⓘ |
| phylum | Chordata ⓘ |
| replacedEarlierFaunas | many Triassic non-archosaur reptiles ⓘ |
| sisterGroupOf | Pseudosuchia NERFINISHED ⓘ |
| subdivisionOf | Archosauria ⓘ |
| taxonRank | clade ⓘ |
| temporalRange | Middle Triassic to present ⓘ |
| yearNamed | 1991 ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.