Ischnacanthus
E1246018
UNEXPLORED
Ischnacanthus is an extinct genus of spiny, shark-like jawed fishes from the Paleozoic era, known from well-preserved fossils that illuminate early vertebrate evolution.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ischnacanthus canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T17037634 — 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: Ischnacanthus Context triple: [Acanthodii, notableGenus, Ischnacanthus]
-
A.
Allodontichthys
Allodontichthys is a genus of small freshwater fishes in the family Cyprinodontidae, known for inhabiting streams and rivers in Mexico.
-
B.
Malapterurus
Malapterurus is a genus of electric catfishes known for their ability to generate strong electric discharges, native to freshwater habitats in Africa.
-
C.
Normanichthys
Normanichthys is a genus of marine ray-finned fishes that serves as the sole representative of the monotypic family Normanichthyidae.
-
D.
Hedinichthys
Hedinichthys is a genus of stone loaches, small bottom-dwelling freshwater fishes native to parts of Asia.
-
E.
Monhoplichthys
Monhoplichthys is a genus of bottom-dwelling marine fishes known for their armored, spiny bodies and association with sandy or muddy seafloor habitats.
- 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: Ischnacanthus Target entity description: Ischnacanthus is an extinct genus of spiny, shark-like jawed fishes from the Paleozoic era, known from well-preserved fossils that illuminate early vertebrate evolution.
-
A.
Allodontichthys
Allodontichthys is a genus of small freshwater fishes in the family Cyprinodontidae, known for inhabiting streams and rivers in Mexico.
-
B.
Malapterurus
Malapterurus is a genus of electric catfishes known for their ability to generate strong electric discharges, native to freshwater habitats in Africa.
-
C.
Normanichthys
Normanichthys is a genus of marine ray-finned fishes that serves as the sole representative of the monotypic family Normanichthyidae.
-
D.
Hedinichthys
Hedinichthys is a genus of stone loaches, small bottom-dwelling freshwater fishes native to parts of Asia.
-
E.
Monhoplichthys
Monhoplichthys is a genus of bottom-dwelling marine fishes known for their armored, spiny bodies and association with sandy or muddy seafloor habitats.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.