Plionarctos
E627400
Plionarctos is an extinct genus of short-faced bears that lived in North America during the Miocene and Pliocene epochs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Plionarctos canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6848614 — 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: Plionarctos Context triple: [Tremarctinae, includesTaxon, Plionarctos]
-
A.
Helarctos
Helarctos is a bear genus that includes the Malayan sun bear, the smallest and one of the most arboreal bear species.
-
B.
Poebrotherium
Poebrotherium is an extinct early camelid genus from the Eocene and Oligocene of North America, known for its small, deer-like body and significance in camel evolution.
-
C.
Arctogadus glacialis
Arctogadus glacialis is a small Arctic cod species adapted to life in cold, ice-covered marine waters of the high northern latitudes.
-
D.
Palaeocastor
Palaeocastor is an extinct genus of burrowing beavers from the Oligocene–Miocene of North America, best known for the distinctive spiral fossil burrows they created.
-
E.
Hydropotes inermis
Hydropotes inermis, commonly known as the water deer, is a small East Asian deer species notable for its lack of antlers and prominent tusk-like canine teeth.
- 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: Plionarctos Target entity description: Plionarctos is an extinct genus of short-faced bears that lived in North America during the Miocene and Pliocene epochs.
-
A.
Helarctos
Helarctos is a bear genus that includes the Malayan sun bear, the smallest and one of the most arboreal bear species.
-
B.
Poebrotherium
Poebrotherium is an extinct early camelid genus from the Eocene and Oligocene of North America, known for its small, deer-like body and significance in camel evolution.
-
C.
Arctogadus glacialis
Arctogadus glacialis is a small Arctic cod species adapted to life in cold, ice-covered marine waters of the high northern latitudes.
-
D.
Palaeocastor
Palaeocastor is an extinct genus of burrowing beavers from the Oligocene–Miocene of North America, best known for the distinctive spiral fossil burrows they created.
-
E.
Hydropotes inermis
Hydropotes inermis, commonly known as the water deer, is a small East Asian deer species notable for its lack of antlers and prominent tusk-like canine teeth.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
extinct genus
ⓘ
genus of mammals ⓘ prehistoric bear ⓘ |
| belongsTo | Tremarctinae ⓘ |
| class | Mammalia ⓘ |
| commonName | short-faced bear ⓘ |
| diet | omnivorous (inferred) ⓘ |
| extinctionStatus | extinct ⓘ |
| family | Ursidae ⓘ |
| firstAppearanceEpoch | Miocene ⓘ |
| fossilRecordRegion | North America ⓘ |
| fossilType | body fossils ⓘ |
| geologicalTimeRange | Miocene to Pliocene ⓘ |
| hasCharacteristic |
bear-like dentition
ⓘ
short-faced skull morphology ⓘ |
| isPredecessorOf | later tremarctine bears (evolutionarily inferred) ⓘ |
| kingdom | Animalia ⓘ |
| lastAppearanceEpoch | Pliocene ⓘ |
| livedIn | North America ⓘ |
| nativeTo | North America ⓘ |
| order | Carnivora ⓘ |
| phylum | Chordata ⓘ |
| relatedTo |
Arctodus
ⓘ
Tremarctos ⓘ |
| subfamily | Tremarctinae ⓘ |
| suborder | Caniformia ⓘ |
| taxonRank | genus ⓘ |
| temporalRange |
Miocene
ⓘ
Pliocene ⓘ |
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: Plionarctos Description of subject: Plionarctos is an extinct genus of short-faced bears that lived in North America during the Miocene and Pliocene epochs.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.