Amniota
E180459
Amniota is a clade of vertebrate animals characterized by having an amniotic egg, including reptiles, birds, and mammals.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amniota canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T1584497 — 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: Amniota Context triple: [Aves, hasSubgroup, Amniota]
-
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.
Reptilia
Reptilia is a major vertebrate class comprising reptiles such as turtles, lizards, snakes, and crocodiles, typically characterized by scaly skin and laying shelled eggs on land.
-
C.
Vertebrata
Vertebrata is a major subphylum of chordates comprising animals with backbones or spinal columns, including fishes, amphibians, reptiles, birds, and mammals.
-
D.
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.
-
E.
Theria
Theria is a major subclass of mammals that includes all live-bearing species such as marsupials and placental mammals, excluding egg-laying monotremes.
- 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: Amniota Target entity description: Amniota is a clade of vertebrate animals characterized by having an amniotic egg, including reptiles, birds, and mammals.
-
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.
Reptilia
Reptilia is a major vertebrate class comprising reptiles such as turtles, lizards, snakes, and crocodiles, typically characterized by scaly skin and laying shelled eggs on land.
-
C.
Vertebrata
Vertebrata is a major subphylum of chordates comprising animals with backbones or spinal columns, including fishes, amphibians, reptiles, birds, and mammals.
-
D.
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.
-
E.
Theria
Theria is a major subclass of mammals that includes all live-bearing species such as marsupials and placental mammals, excluding egg-laying monotremes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
clade
ⓘ
group of vertebrates ⓘ taxon ⓘ |
| characterizedBy |
amniotic egg
ⓘ
embryo enclosed in amnion ⓘ extraembryonic membranes ⓘ |
| contains |
extant species
ⓘ
extinct species ⓘ |
| definingFeature |
embryo develops within fluid-filled sac
ⓘ
reduced dependence on water for reproduction ⓘ |
| distinguishedFrom | non-amniote tetrapods ⓘ |
| eggAdaptation | adapted for terrestrial development ⓘ |
| eggEnvironment | can develop on land ⓘ |
| eggType | cleidoic egg ⓘ |
| evolvedFrom | early tetrapods ⓘ |
| excludes |
Amphibia
ⓘ
fish ⓘ |
| firstAppearance | Carboniferous period ⓘ |
| firstAppearanceApproximateAge | about 312 million years ago ⓘ |
| habitat | primarily terrestrial environments ⓘ |
| hasCirculatoryAdaptation | extraembryonic blood vessels in allantois ⓘ |
| hasCommonName | amniotes ⓘ |
| hasLatinName | Amniota ⓘ |
| hasMember |
birds
ⓘ
mammals ⓘ reptiles ⓘ |
| hasSubclade |
Sauropsida
ⓘ
Synapsida ⓘ |
| hasSynapomorphy |
allantois
ⓘ
amnion ⓘ chorion ⓘ costal ventilation of lungs ⓘ impermeable or keratinized skin ⓘ |
| higherClassification |
Tetrapoda
ⓘ
linked to:
Vertebrata
|
| includes |
Aves
ⓘ
Mammalia ⓘ Reptilia ⓘ Sauropsida ⓘ Synapsida ⓘ |
| kingdom | Animalia ⓘ |
| phylum | Chordata ⓘ |
| reproductionType | internal fertilization ⓘ |
| sisterGroupOf | Lissamphibia ⓘ |
| subphylum | Vertebrata ⓘ |
| superclass | Tetrapoda ⓘ |
| taxonRank | clade ⓘ |
| usedIn |
evolutionary biology
ⓘ
vertebrate phylogeny ⓘ |
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: Amniota Description of subject: Amniota is a clade of vertebrate animals characterized by having an amniotic egg, including reptiles, birds, and mammals.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.