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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Avemetatarsalia canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T7575554 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Avemetatarsalia Context triple: [Dinosauria, partOf, Avemetatarsalia]
-
A.
Diapsida
Diapsida is a major clade of reptiles characterized by two temporal skull openings, encompassing groups such as lizards, snakes, crocodilians, and birds.
-
B.
Amniota
Amniota is a clade of vertebrate animals characterized by having an amniotic egg, including reptiles, birds, and mammals.
-
C.
Tylopoda
Tylopoda is a suborder of even-toed ungulates that includes camels and their close relatives, characterized by distinctive foot structures adapted for walking on soft or sandy terrain.
-
D.
Synapsida
Synapsida is a major clade of amniotes that includes mammals and their extinct, mammal-like ancestors distinguished by a single temporal opening in the skull behind each eye.
-
E.
Rhynchocephalia
Rhynchocephalia is an ancient order of reptiles, now represented only by the tuatara, that diverged early from other reptilian lineages and retains many primitive characteristics.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Avemetatarsalia Target entity description: 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.
-
A.
Diapsida
Diapsida is a major clade of reptiles characterized by two temporal skull openings, encompassing groups such as lizards, snakes, crocodilians, and birds.
-
B.
Amniota
Amniota is a clade of vertebrate animals characterized by having an amniotic egg, including reptiles, birds, and mammals.
-
C.
Tylopoda
Tylopoda is a suborder of even-toed ungulates that includes camels and their close relatives, characterized by distinctive foot structures adapted for walking on soft or sandy terrain.
-
D.
Synapsida
Synapsida is a major clade of amniotes that includes mammals and their extinct, mammal-like ancestors distinguished by a single temporal opening in the skull behind each eye.
-
E.
Rhynchocephalia
Rhynchocephalia is an ancient order of reptiles, now represented only by the tuatara, that diverged early from other reptilian lineages and retains many primitive characteristics.
- F. None of above. chosen
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 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Avemetatarsalia Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.