Cryptodira
E77477
Cryptodira is a major suborder of turtles characterized by their ability to retract the head straight back into the shell by bending the neck in a vertical S-shaped curve.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cryptodira canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T617204 — 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: Cryptodira Context triple: [Kinixys, belongsToClade, Cryptodira]
-
A.
Whippomorpha
Whippomorpha is a mammalian clade that includes whales, dolphins, and hippopotamuses, uniting these seemingly disparate animals based on shared evolutionary ancestry.
-
B.
Diprotodontia
Diprotodontia is a large order of marsupial mammals, including kangaroos, wallabies, koalas, and wombats, primarily native to Australia and nearby regions.
-
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.
Kinixys
Kinixys is a genus of African hinge-back tortoises known for the movable hinge on their shells that allows them to partially close the rear portion for protection.
-
E.
Laurasiatheria
Laurasiatheria is a major clade of placental mammals that includes diverse groups such as hoofed mammals, carnivores, bats, and shrews, thought to have originated on the ancient supercontinent Laurasia.
- 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: Cryptodira Target entity description: Cryptodira is a major suborder of turtles characterized by their ability to retract the head straight back into the shell by bending the neck in a vertical S-shaped curve.
-
A.
Whippomorpha
Whippomorpha is a mammalian clade that includes whales, dolphins, and hippopotamuses, uniting these seemingly disparate animals based on shared evolutionary ancestry.
-
B.
Diprotodontia
Diprotodontia is a large order of marsupial mammals, including kangaroos, wallabies, koalas, and wombats, primarily native to Australia and nearby regions.
-
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.
Kinixys
Kinixys is a genus of African hinge-back tortoises known for the movable hinge on their shells that allows them to partially close the rear portion for protection.
-
E.
Laurasiatheria
Laurasiatheria is a major clade of placental mammals that includes diverse groups such as hoofed mammals, carnivores, bats, and shrews, thought to have originated on the ancient supercontinent Laurasia.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
taxon
ⓘ
turtle suborder ⓘ |
| characteristic |
cervical vertebrae allow vertical flexion
ⓘ
neck bends in vertical S-shaped curve ⓘ retract head straight back into shell ⓘ |
| clade |
Casichelydia
ⓘ
Testudines ⓘ
surface form:
Testudinata
|
| class | Reptilia ⓘ |
| commonName | hidden-neck turtles ⓘ |
| contains |
box turtles
ⓘ
pond turtles ⓘ sea turtles ⓘ snapping turtles ⓘ softshell turtles ⓘ tortoises ⓘ |
| diagnosticFeature |
dorsoventral neck flexion
ⓘ
specialized cervical vertebrae articulation ⓘ |
| distinguishedFrom | Pleurodira by vertical neck retraction ⓘ |
| distribution | worldwide ⓘ |
| etymology | from Greek 'kryptos' (hidden) and 'deirē' (neck) ⓘ |
| extant | true ⓘ |
| geologicFirstAppearance |
Jurassic Period
ⓘ
surface form:
Jurassic period
|
| habitat |
freshwater environments
ⓘ
marine environments ⓘ terrestrial environments ⓘ |
| hasLivingRepresentatives | true ⓘ |
| headRetraction | into shell between shoulder girdles ⓘ |
| higherClassification | Cryptodirans ⓘ |
| includesFamily |
Cheloniidae
ⓘ
Chelydridae ⓘ Dermochelyidae ⓘ Testudinoidea ⓘ
surface form:
Emydidae
Testudinidae ⓘ Trionychidae ⓘ |
| includesMostLivingTurtles | true ⓘ |
| infraclass | Archelosauria ⓘ |
| kingdom | Animalia ⓘ |
| neckRetractionMode | vertical ⓘ |
| opposedBy | side-necked retraction of Pleurodira ⓘ |
| parentTaxon | Testudines ⓘ |
| phylum | Chordata ⓘ |
| sisterGroup | Pleurodira ⓘ |
| subclass | Diapsida ⓘ |
| taxonRank | suborder ⓘ |
| usedIn |
herpetology
ⓘ
vertebrate paleontology ⓘ |
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: Cryptodira Description of subject: Cryptodira is a major suborder of turtles characterized by their ability to retract the head straight back into the shell by bending the neck in a vertical S-shaped curve.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.