Labyrinthodon
E820849
Labyrinthodon is an extinct genus of large, prehistoric amphibians known from fossil remains dating to the Triassic period.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Labyrinthodon canonical | 1 |
| Labyrinthodon leptognathus | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9782541 — 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: Labyrinthodon Context triple: [Crystal Palace Dinosaurs, depicts, Labyrinthodon]
-
A.
Champsosaurus
Champsosaurus was a long-snouted, semi-aquatic reptile from the Late Cretaceous and early Paleogene that resembled a modern gharial and belonged to the extinct group Choristodera.
-
B.
Edaphosaurus
Edaphosaurus was a large, sail-backed, herbivorous synapsid from the Late Carboniferous to Early Permian period, notable for its distinctive spiny neural sail and importance in early amniote evolution.
-
C.
Siluranodon
Siluranodon is a genus of African catfishes known for their elongated bodies and membership in the family Schilbeidae.
-
D.
Kimberella
Kimberella is an extinct, soft-bodied marine organism from the late Precambrian Ediacaran period, often considered one of the earliest known animals with possible mollusc-like features.
-
E.
Dimetrodon
Dimetrodon is an extinct sail-backed synapsid from the Early Permian period, often mistaken for a dinosaur but more closely related to mammals.
- 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: Labyrinthodon Target entity description: Labyrinthodon is an extinct genus of large, prehistoric amphibians known from fossil remains dating to the Triassic period.
-
A.
Champsosaurus
Champsosaurus was a long-snouted, semi-aquatic reptile from the Late Cretaceous and early Paleogene that resembled a modern gharial and belonged to the extinct group Choristodera.
-
B.
Edaphosaurus
Edaphosaurus was a large, sail-backed, herbivorous synapsid from the Late Carboniferous to Early Permian period, notable for its distinctive spiny neural sail and importance in early amniote evolution.
-
C.
Siluranodon
Siluranodon is a genus of African catfishes known for their elongated bodies and membership in the family Schilbeidae.
-
D.
Kimberella
Kimberella is an extinct, soft-bodied marine organism from the late Precambrian Ediacaran period, often considered one of the earliest known animals with possible mollusc-like features.
-
E.
Dimetrodon
Dimetrodon is an extinct sail-backed synapsid from the Early Permian period, often mistaken for a dinosaur but more closely related to mammals.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
extinct genus
ⓘ
prehistoric amphibian ⓘ temnospondyl ⓘ |
| belongsToGroup | labyrinthodonts ⓘ |
| bodySize | large ⓘ |
| clade | Temnospondyli ⓘ |
| class | Amphibia ⓘ |
| describedBy | Richard Owen ⓘ |
| describedInYear | 1841 ⓘ |
| diet | carnivorous ⓘ |
| extinctionCause | natural environmental change ⓘ |
| firstAppearance | Triassic period ⓘ |
| fossilsFoundIn |
Europe
ⓘ
India ⓘ |
| hasCommonName | labyrinthodont ⓘ |
| hasTypeSpecies |
Labyrinthodon leptognathus
ⓘ
linked to:
Labyrinthodon
|
| hasVertebrateGroup | early tetrapods ⓘ |
| kingdom | Animalia ⓘ |
| knownFrom | fossil remains ⓘ |
| lifestyle | semi-aquatic ⓘ |
| livedIn |
Mesozoic era
ⓘ
linked to:
Mesozoic Era
|
| namedAfter | labyrinthine infolding of tooth enamel ⓘ |
| paleoecology | freshwater environments ⓘ |
| phylum | Chordata ⓘ |
| reproduction | oviparous ⓘ |
| status | extinct ⓘ |
| taxonRank | genus ⓘ |
| temporalRange | Triassic ⓘ |
| toothStructure | labyrinthine infolding ⓘ |
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: Labyrinthodon Description of subject: Labyrinthodon is an extinct genus of large, prehistoric amphibians known from fossil remains dating to the Triassic period.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Labyrinthodon