Archosauria
E269576
Archosauria is a major group of diapsid reptiles that includes all living birds and crocodilians, as well as their extinct dinosaur and pterosaur relatives.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Archosauria canonical | 9 |
| Archosauromorpha | 1 |
| Pterosauria | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2447508 — 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: Archosauria Context triple: [Neognathae, higherClassification, Archosauria]
-
A.
Dinosauria
Dinosauria is a diverse clade of reptiles that originated in the Mesozoic Era and includes both extinct non-avian dinosaurs and modern birds.
-
B.
Diapsida
Diapsida is a major clade of reptiles characterized by two temporal skull openings, encompassing groups such as lizards, snakes, crocodilians, and birds.
-
C.
Saurischia
Saurischia is one of the two major dinosaur clades, characterized by a lizard-hipped pelvic structure and including both theropods (ancestors of birds) and sauropodomorphs.
-
D.
Theropoda
Theropoda is a major group of mostly bipedal, primarily carnivorous dinosaurs that includes famous species like Tyrannosaurus rex and the ancestors of modern birds.
-
E.
Squamata
Squamata is the large order of reptiles that includes all lizards, snakes, and amphisbaenians, characterized by their scaled skin and movable quadrate bones.
- 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: Archosauria Target entity description: Archosauria is a major group of diapsid reptiles that includes all living birds and crocodilians, as well as their extinct dinosaur and pterosaur relatives.
-
A.
Dinosauria
Dinosauria is a diverse clade of reptiles that originated in the Mesozoic Era and includes both extinct non-avian dinosaurs and modern birds.
-
B.
Diapsida
Diapsida is a major clade of reptiles characterized by two temporal skull openings, encompassing groups such as lizards, snakes, crocodilians, and birds.
-
C.
Saurischia
Saurischia is one of the two major dinosaur clades, characterized by a lizard-hipped pelvic structure and including both theropods (ancestors of birds) and sauropodomorphs.
-
D.
Theropoda
Theropoda is a major group of mostly bipedal, primarily carnivorous dinosaurs that includes famous species like Tyrannosaurus rex and the ancestors of modern birds.
-
E.
Squamata
Squamata is the large order of reptiles that includes all lizards, snakes, and amphisbaenians, characterized by their scaled skin and movable quadrate bones.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
clade
ⓘ
group of diapsid reptiles ⓘ taxon ⓘ |
| bodyTemperatureStrategy | includes both ectothermic and endothermic lineages ⓘ |
| class | Reptilia ⓘ |
| contains |
Aves
ⓘ
Crocodylia ⓘ
linked to:
Crocodilia
Crurotarsi ⓘ
linked to:
Pseudosuchia
Dinosauria ⓘ Ornithodira ⓘ Pseudosuchia ⓘ Pterosauria ⓘ all living birds ⓘ all living crocodilians ⓘ |
| definingFeature |
advanced ankle joint structure
ⓘ
antorbital fenestra in the skull ⓘ fourth trochanter on the femur in many members ⓘ mandibular fenestra in the lower jaw ⓘ teeth set in sockets (thecodont dentition) in many members ⓘ |
| divergedFromLepidosauromorpha | in the Permian or early Triassic ⓘ |
| dominantLargeTerrestrialVertebrates | Mesozoic era ⓘ |
| ecologicalDiversity |
aerial forms
ⓘ
aquatic forms ⓘ terrestrial forms ⓘ |
| etymology | derived from Greek for "ruling lizards" ⓘ |
| firstAppearance |
Early Triassic
ⓘ
linked to:
Triassic
|
| firstAppearanceMa | about 250 ⓘ |
| fossilRecord |
Cenozoic
ⓘ
Cretaceous ⓘ Jurassic ⓘ Triassic ⓘ |
| hasExtinctMember |
many Triassic reptiles
ⓘ
non-avian dinosaurs ⓘ pterosaurs ⓘ |
| hasSubgroup |
Avemetatarsalia
ⓘ
Ornithosuchidae ⓘ
linked to:
Pseudosuchia
|
| higherGroup | Sauropsida ⓘ |
| includesLivingRepresentatives |
birds
ⓘ
crocodilians ⓘ |
| isCrownGroupDefinedBy | last common ancestor of living birds and crocodilians and all its descendants ⓘ |
| kingdom | Animalia ⓘ |
| modernDiversityDominatedBy | birds ⓘ |
| modernNonAvianRepresentatives | crocodilians ⓘ |
| namedBy | Edward Drinker Cope ⓘ |
| phylum | Chordata ⓘ |
| sisterGroup |
Lepidosauromorpha
ⓘ
linked to:
Lepidosauria
|
| subclass | Diapsida ⓘ |
| unrankedClade |
Archosauromorpha
ⓘ
linked to:
Diapsida
|
| yearNamed | 1869 ⓘ |
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: Archosauria Description of subject: Archosauria is a major group of diapsid reptiles that includes all living birds and crocodilians, as well as their extinct dinosaur and pterosaur relatives.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Archosauria
linked to: Archosauria