Heptodon
E899436
Heptodon is an extinct genus of small, early tapir-like perissodactyl mammals that lived during the Eocene in North America.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Heptodon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11009982 — 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: Heptodon Context triple: [Tapiridae, includesGenus, Heptodon]
-
A.
Othnielosaurus
Othnielosaurus is a small, bipedal ornithischian dinosaur from the Late Jurassic of North America, known for its lightly built body and herbivorous diet.
-
B.
Daspletosaurus
Daspletosaurus was a large, carnivorous tyrannosaurid dinosaur from the Late Cretaceous of North America, known as a powerful apex predator with a massive skull and robust teeth.
-
C.
Petrodromus
Petrodromus is a genus of African elephant shrews (sengis), small insectivorous mammals known for their elongated snouts and swift, cursorial movement.
-
D.
Dinohyus
Dinohyus is an extinct, giant pig-like entelodont mammal from the Miocene of North America, known for its massive skull, powerful jaws, and omnivorous, scavenging lifestyle.
-
E.
Trichodon
Trichodon is a genus of small marine fishes in the family Trichodontidae, commonly known as sandfishes, found in cold coastal waters of the North Pacific.
- 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: Heptodon Target entity description: Heptodon is an extinct genus of small, early tapir-like perissodactyl mammals that lived during the Eocene in North America.
-
A.
Othnielosaurus
Othnielosaurus is a small, bipedal ornithischian dinosaur from the Late Jurassic of North America, known for its lightly built body and herbivorous diet.
-
B.
Daspletosaurus
Daspletosaurus was a large, carnivorous tyrannosaurid dinosaur from the Late Cretaceous of North America, known as a powerful apex predator with a massive skull and robust teeth.
-
C.
Petrodromus
Petrodromus is a genus of African elephant shrews (sengis), small insectivorous mammals known for their elongated snouts and swift, cursorial movement.
-
D.
Dinohyus
Dinohyus is an extinct, giant pig-like entelodont mammal from the Miocene of North America, known for its massive skull, powerful jaws, and omnivorous, scavenging lifestyle.
-
E.
Trichodon
Trichodon is a genus of small marine fishes in the family Trichodontidae, commonly known as sandfishes, found in cold coastal waters of the North Pacific.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
extinct genus
ⓘ
perissodactyl ⓘ prehistoric mammal genus ⓘ |
| belongsToClade | Tapiromorpha ⓘ |
| bodySize | small ⓘ |
| class | Mammalia ⓘ |
| closelyRelatedTo | Helaletes ⓘ |
| diet | herbivorous ⓘ |
| ecologicalNiche | small browsing herbivore ⓘ |
| extinctionStatus | extinct ⓘ |
| family | Helaletidae ⓘ |
| firstAppearance | Early Eocene ⓘ |
| fossilRecordRegion |
Colorado
ⓘ
New Mexico ⓘ United States ⓘ
linked to:
United States of America
Wyoming ⓘ |
| fossilTypeLocality | Bighorn Basin ⓘ |
| geologicalEpoch |
Early Eocene
ⓘ
linked to:
Eocene
|
| hasCharacteristic |
brachydont teeth
ⓘ
primitive tapir-like morphology ⓘ shortened skull ⓘ |
| kingdom | Animalia ⓘ |
| knownFrom |
fragmentary skulls
ⓘ
jaw material ⓘ postcranial skeletons ⓘ |
| lastAppearance | Eocene ⓘ |
| livedIn | North America ⓘ |
| locomotion | terrestrial ⓘ |
| namedAfter | Greek hepta (seven) and odon (tooth) ⓘ |
| numberOfToesPerForefoot | four ⓘ |
| numberOfToesPerHindfoot | three ⓘ |
| order | Perissodactyla ⓘ |
| phylum | Chordata ⓘ |
| relatedTo | Tapiridae ⓘ |
| resembles | tapirs ⓘ |
| taxonRank | genus ⓘ |
| temporalRange | Eocene ⓘ |
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: Heptodon Description of subject: Heptodon is an extinct genus of small, early tapir-like perissodactyl mammals that lived during the Eocene in North America.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.