Petromyzontidae
E185329
Petromyzontidae is a family of jawless, eel-like parasitic and non-parasitic lampreys found in freshwater and coastal marine environments worldwide.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Petromyzontidae canonical | 15 |
| Petromyzontiformes | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1630124 — 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: Petromyzontidae Context triple: [Pacific lamprey, family, Petromyzontidae]
-
A.
Acipenseriformes
Acipenseriformes is an order of primitive ray-finned fishes that includes sturgeons and paddlefishes, known for their cartilaginous skeletons and importance in caviar production.
-
B.
Gnathostomata
Gnathostomata is a major clade of jawed vertebrates that includes most living fish, amphibians, reptiles, birds, and mammals.
-
C.
Anguilliformes
Anguilliformes is an order of elongated, snake-like ray-finned fishes commonly known as eels, found in marine and freshwater environments worldwide.
-
D.
Beloniformes
Beloniformes is an order of ray-finned fishes that includes needlefish, flying fish, and their relatives, many of which are adapted for surface-dwelling and gliding above water.
-
E.
Salmoniformes
Salmoniformes is an order of ray-finned fishes that includes salmon, trout, and related species commonly found in cold freshwater and marine environments.
- 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: Petromyzontidae Target entity description: Petromyzontidae is a family of jawless, eel-like parasitic and non-parasitic lampreys found in freshwater and coastal marine environments worldwide.
-
A.
Acipenseriformes
Acipenseriformes is an order of primitive ray-finned fishes that includes sturgeons and paddlefishes, known for their cartilaginous skeletons and importance in caviar production.
-
B.
Gnathostomata
Gnathostomata is a major clade of jawed vertebrates that includes most living fish, amphibians, reptiles, birds, and mammals.
-
C.
Anguilliformes
Anguilliformes is an order of elongated, snake-like ray-finned fishes commonly known as eels, found in marine and freshwater environments worldwide.
-
D.
Beloniformes
Beloniformes is an order of ray-finned fishes that includes needlefish, flying fish, and their relatives, many of which are adapted for surface-dwelling and gliding above water.
-
E.
Salmoniformes
Salmoniformes is an order of ray-finned fishes that includes salmon, trout, and related species commonly found in cold freshwater and marine environments.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
lamprey family
ⓘ
taxonomic family ⓘ |
| adultFeeding |
blood and body fluids of host fishes (parasitic species)
ⓘ
non-feeding adult stage (in some non-parasitic species) ⓘ |
| class | Hyperoartia ⓘ |
| commonName | lampreys ⓘ |
| containsGenus |
Entosphenus
ⓘ
Ichthyomyzon ⓘ Lampetra ⓘ Lethenteron ⓘ Mordacia ⓘ Petromyzon ⓘ |
| distribution |
Northern Hemisphere
ⓘ
coastal marine habitats ⓘ freshwater habitats ⓘ |
| ecologicalRole |
fish parasite
ⓘ
prey for larger fishes and other predators ⓘ |
| feedingType |
non-parasitic
ⓘ
parasitic ⓘ |
| hasCharacteristic |
cartilaginous skeleton
ⓘ
dorsal fin or fins ⓘ eel-like body ⓘ jawless ⓘ keratinous teeth ⓘ no paired fins ⓘ round suctorial mouth ⓘ seven pairs of gill openings ⓘ |
| hasConservationImpact | some species are invasive and impact native fish populations ⓘ |
| hasConservationStatus | several species are of conservation concern ⓘ |
| hasFeature | notochord persistent in adults ⓘ |
| kingdom | Animalia ⓘ |
| larvalFeeding | filter-feeding ⓘ |
| larvalHabitat | freshwater sediments ⓘ |
| lifeStage | ammocoete larval stage ⓘ |
| lifestyle | ectoparasitic (in many species) ⓘ |
| notableSpecies |
Entosphenus tridentatus
ⓘ
linked to:
Entosphenus
Ichthyomyzon unicuspis ⓘ Lampetra fluviatilis ⓘ Lampetra planeri ⓘ Petromyzon marinus ⓘ |
| order | Petromyzontiformes ⓘ |
| phylum | Chordata ⓘ |
| reproduction | anadromous spawning in many species ⓘ |
| sensorySystem |
well-developed lateral line system
ⓘ
well-developed olfactory system ⓘ |
| skeletonType | cartilaginous endoskeleton ⓘ |
| subphylum | Vertebrata ⓘ |
| taxonRank | family ⓘ |
| typeGenus | Petromyzon ⓘ |
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: Petromyzontidae Description of subject: Petromyzontidae is a family of jawless, eel-like parasitic and non-parasitic lampreys found in freshwater and coastal marine environments worldwide.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Petromyzontidae
linked to: Petromyzontidae
linked to: Petromyzontidae