Ichthyomyzon
E727216
Ichthyomyzon is a genus of lampreys, a group of jawless, eel-like parasitic or non-parasitic fishes found primarily in freshwater habitats of North America.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Ichthyomyzon canonical | 2 |
| Ichthyomyzon bdellium | 1 |
| Ichthyomyzon castaneus | 1 |
| Ichthyomyzon fossor | 1 |
| Ichthyomyzon gagei | 1 |
| Ichthyomyzon hubbsi | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7971391 — 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: Ichthyomyzon Context triple: [Petromyzontidae, containsGenus, Ichthyomyzon]
-
A.
Ichthyomyzon unicuspis
Ichthyomyzon unicuspis is a species of lamprey, a jawless, eel-like parasitic fish native to freshwater systems in North America.
-
B.
Cyprinodon
Cyprinodon is a genus of small, hardy pupfishes known for inhabiting extreme and isolated aquatic environments, often used as models in studies of rapid evolution and adaptation.
-
C.
Epigonichthys
Epigonichthys is a genus of small, eel-like lancelets within the subphylum Cephalochordata, known for their simple, fish-like bodies that provide key insights into early chordate evolution.
-
D.
Lampetra
Lampetra is a genus of jawless, eel-like lampreys found in freshwater and coastal marine environments of the Northern Hemisphere.
-
E.
Entosphenus
Entosphenus is a genus of jawless, eel-like lampreys that includes several parasitic and anadromous species found primarily in North American freshwater and coastal 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: Ichthyomyzon Target entity description: Ichthyomyzon is a genus of lampreys, a group of jawless, eel-like parasitic or non-parasitic fishes found primarily in freshwater habitats of North America.
-
A.
Ichthyomyzon unicuspis
Ichthyomyzon unicuspis is a species of lamprey, a jawless, eel-like parasitic fish native to freshwater systems in North America.
-
B.
Cyprinodon
Cyprinodon is a genus of small, hardy pupfishes known for inhabiting extreme and isolated aquatic environments, often used as models in studies of rapid evolution and adaptation.
-
C.
Epigonichthys
Epigonichthys is a genus of small, eel-like lancelets within the subphylum Cephalochordata, known for their simple, fish-like bodies that provide key insights into early chordate evolution.
-
D.
Lampetra
Lampetra is a genus of jawless, eel-like lampreys found in freshwater and coastal marine environments of the Northern Hemisphere.
-
E.
Entosphenus
Entosphenus is a genus of jawless, eel-like lampreys that includes several parasitic and anadromous species found primarily in North American freshwater and coastal marine environments.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
genus
ⓘ
taxon ⓘ |
| belongsToGroup | cyclostomes ⓘ |
| circaNumberOfSpecies | about 6 ⓘ |
| class | Hyperoartia ⓘ |
| commonName | lampreys ⓘ |
| describedAs | genus of lampreys ⓘ |
| distributionRegion |
Great Lakes basin
ⓘ
linked to:
Great Lakes Basin
Gulf of Mexico drainages ⓘ
linked to:
Gulf of Mexico watershed
Mississippi River basin ⓘ |
| domain |
Eukaryota
ⓘ
linked to:
Eukarya
|
| ecologicalRole |
benthic filter feeders in larval stage
ⓘ
parasites of other fishes in parasitic species ⓘ |
| family | Petromyzontidae ⓘ |
| feedingType | hematophagous in parasitic species ⓘ |
| hasCharacteristic |
cartilaginous skeleton
ⓘ
eel-like body ⓘ jawless ⓘ |
| hasLifeStage |
adult parasitic or non-feeding stage
ⓘ
larval filter-feeding stage ⓘ |
| hasMember |
Ichthyomyzon bdellium
ⓘ
linked to:
Ichthyomyzon
Ichthyomyzon castaneus ⓘ
linked to:
Ichthyomyzon
Ichthyomyzon fossor ⓘ
linked to:
Ichthyomyzon
Ichthyomyzon gagei ⓘ
linked to:
Ichthyomyzon
Ichthyomyzon hubbsi ⓘ
linked to:
Ichthyomyzon
Ichthyomyzon unicuspis ⓘ |
| hasOrganismType | vertebrate ⓘ |
| kingdom | Animalia ⓘ |
| larvalStage | ammocoete ⓘ |
| lifestyle |
non-parasitic
ⓘ
parasitic ⓘ |
| locomotion | undulatory swimming ⓘ |
| nativeRange | North America ⓘ |
| notableFeature | round suctorial mouth with keratinous teeth in adults ⓘ |
| order | Petromyzontiformes ⓘ |
| parentTaxon | Petromyzontidae ⓘ |
| phylum | Chordata ⓘ |
| relatedTo |
Lampetra
ⓘ
Petromyzon ⓘ |
| reproduction | anadromous or freshwater-spawning life cycle depending on species ⓘ |
| respiration | gills ⓘ |
| skeletonType | cartilaginous ⓘ |
| taxonRank | genus ⓘ |
| typeSpecies | Ichthyomyzon unicuspis ⓘ |
| typicalHabitat |
freshwater
ⓘ
lakes ⓘ rivers ⓘ streams ⓘ |
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: Ichthyomyzon Description of subject: Ichthyomyzon is a genus of lampreys, a group of jawless, eel-like parasitic or non-parasitic fishes found primarily in freshwater habitats of North America.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ichthyomyzon
linked to: Ichthyomyzon
linked to: Ichthyomyzon
linked to: Ichthyomyzon
linked to: Ichthyomyzon