Ichthyornis
E694281
Ichthyornis is an extinct genus of toothed seabird-like avialans from the Late Cretaceous of North America that provides key evidence for the evolutionary transition between non-avian dinosaurs and modern birds.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Ichthyornis canonical | 1 |
| Ichthyornis dispar | 1 |
| Ichthyornithidae | 1 |
| Ichthyornithiformes | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7802217 — 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: Ichthyornis Context triple: [Ornithurae, hasMember, Ichthyornis]
-
A.
Carterornis
Carterornis is a genus of monarch flycatchers, a group of small insectivorous passerine birds found primarily in Australasia and nearby regions.
-
B.
Schoeniparus
Schoeniparus is a genus of small passerine birds commonly known as fulvettas, found mainly in forested regions of Asia.
-
C.
Leptonychotes
Leptonychotes is a genus of true seals best known for the Weddell seal, a large Antarctic species adapted to life in extreme polar marine environments.
-
D.
Archaeopterygidae
Archaeopterygidae is an extinct family of early bird-like dinosaurs that includes Archaeopteryx and represents a key transitional group between non-avian dinosaurs and modern birds.
-
E.
Artisornis
Artisornis is a small genus of African warblers in the family Sylviidae, known for its specialized habitat preferences and limited geographic range.
- 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: Ichthyornis Target entity description: Ichthyornis is an extinct genus of toothed seabird-like avialans from the Late Cretaceous of North America that provides key evidence for the evolutionary transition between non-avian dinosaurs and modern birds.
-
A.
Carterornis
Carterornis is a genus of monarch flycatchers, a group of small insectivorous passerine birds found primarily in Australasia and nearby regions.
-
B.
Schoeniparus
Schoeniparus is a genus of small passerine birds commonly known as fulvettas, found mainly in forested regions of Asia.
-
C.
Leptonychotes
Leptonychotes is a genus of true seals best known for the Weddell seal, a large Antarctic species adapted to life in extreme polar marine environments.
-
D.
Archaeopterygidae
Archaeopterygidae is an extinct family of early bird-like dinosaurs that includes Archaeopteryx and represents a key transitional group between non-avian dinosaurs and modern birds.
-
E.
Artisornis
Artisornis is a small genus of African warblers in the family Sylviidae, known for its specialized habitat preferences and limited geographic range.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
avialan
ⓘ
extinct genus ⓘ fossil taxon ⓘ toothed bird ⓘ |
| beakType | toothed beak margins with toothless tip ⓘ |
| bodySize | similar to modern tern ⓘ |
| braincase | more similar to modern birds than to non-avian theropods ⓘ |
| clade |
Avialae
ⓘ
Dinosauria ⓘ |
| class | Aves ⓘ |
| diet | piscivorous ⓘ |
| discoveredBy | Othniel Charles Marsh ⓘ |
| extinctionStatus | extinct ⓘ |
| family |
Ichthyornithidae
ⓘ
linked to:
Ichthyornis
|
| flightCapability | capable of powered flight ⓘ |
| fossilPreservation | skeletal remains including jaws with teeth ⓘ |
| fossilSite |
Alberta
ⓘ
Kansas ⓘ Saskatchewan ⓘ Texas ⓘ |
| geographicDistribution | North America ⓘ |
| geologicalAge | approximately 95 to 83 million years ago ⓘ |
| habitat | marine environment ⓘ |
| hadDinosaurLikeSkullFeatures | true ⓘ |
| hadModernLikePectoralGirdle | true ⓘ |
| hadModernLikeWings | true ⓘ |
| hadTeeth | true ⓘ |
| kingdom | Animalia ⓘ |
| limbProportions | adapted for strong flight ⓘ |
| livedAlongside | non-avian dinosaurs ⓘ |
| nameEtymology | from Greek ichthys (fish) and ornis (bird) ⓘ |
| nameMeaning | fish bird ⓘ |
| order |
Ichthyornithiformes
ⓘ
linked to:
Ichthyornis
|
| paleoenvironment | Western Interior Seaway ⓘ |
| phylum | Chordata ⓘ |
| resembled |
modern seabirds
ⓘ
terns ⓘ |
| significance |
important for understanding early bird evolution
ⓘ
key evidence for transition between non-avian dinosaurs and modern birds ⓘ |
| sternum | keeled sternum ⓘ |
| tailType | short pygostyle-bearing tail ⓘ |
| taxonRank | genus ⓘ |
| temporalRange |
Campanian
ⓘ
Cenomanian ⓘ Late Cretaceous ⓘ |
| toothLocation | jaws ⓘ |
| typeSpecies |
Ichthyornis dispar
ⓘ
linked to:
Ichthyornis
|
| yearDescribed | 1872 ⓘ |
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: Ichthyornis Description of subject: Ichthyornis is an extinct genus of toothed seabird-like avialans from the Late Cretaceous of North America that provides key evidence for the evolutionary transition between non-avian dinosaurs and modern birds.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ichthyornis
linked to: Ichthyornis
linked to: Ichthyornis