Elasmobranchii
E389320
Elasmobranchii is a subclass of cartilaginous fishes that includes sharks, rays, and skates, characterized by skeletons made of cartilage rather than bone.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Elasmobranchii canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3787113 — 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: Elasmobranchii Context triple: [Chondrichthyes, hasSubclass, Elasmobranchii]
-
A.
Chondrichthyes
Chondrichthyes is a class of cartilaginous fishes, including sharks, rays, and skates, characterized by skeletons made primarily of cartilage rather than bone.
-
B.
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.
-
C.
Gnathostomata
Gnathostomata is a major clade of jawed vertebrates that includes most living fish, amphibians, reptiles, birds, and mammals.
-
D.
Lophiiformes
Lophiiformes is an order of ray-finned fishes best known for the anglerfishes, which use a bioluminescent lure to attract prey in deep-sea environments.
-
E.
Anguilliformes
Anguilliformes is an order of elongated, snake-like ray-finned fishes commonly known as eels, found in marine and freshwater environments worldwide.
- 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: Elasmobranchii Target entity description: Elasmobranchii is a subclass of cartilaginous fishes that includes sharks, rays, and skates, characterized by skeletons made of cartilage rather than bone.
-
A.
Chondrichthyes
Chondrichthyes is a class of cartilaginous fishes, including sharks, rays, and skates, characterized by skeletons made primarily of cartilage rather than bone.
-
B.
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.
-
C.
Gnathostomata
Gnathostomata is a major clade of jawed vertebrates that includes most living fish, amphibians, reptiles, birds, and mammals.
-
D.
Lophiiformes
Lophiiformes is an order of ray-finned fishes best known for the anglerfishes, which use a bioluminescent lure to attract prey in deep-sea environments.
-
E.
Anguilliformes
Anguilliformes is an order of elongated, snake-like ray-finned fishes commonly known as eels, found in marine and freshwater environments worldwide.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
clade
ⓘ
taxonomic subclass ⓘ |
| characteristic |
cartilaginous skeleton
ⓘ
electroreception via ampullae of Lorenzini ⓘ five to seven pairs of gill slits ⓘ internal fertilization ⓘ lack of swim bladder ⓘ placoid scales ⓘ spiral valve intestine ⓘ |
| class | Chondrichthyes ⓘ |
| commonName | elasmobranchs ⓘ |
| conservationConcern | many species threatened by overfishing ⓘ |
| distribution | worldwide oceans ⓘ |
| ecologicalRole |
apex predators
ⓘ
mesopredators ⓘ |
| feedingType | mostly carnivorous ⓘ |
| firstAppearance |
Devonian Period
ⓘ
surface form:
Devonian period
Paleozoic era ⓘ |
| habitat |
benthic zones
ⓘ
coastal waters ⓘ deep sea ⓘ marine environments ⓘ open ocean ⓘ some freshwater systems ⓘ |
| hasGillSlits | 5–7 pairs ⓘ |
| includes |
Batoidea
ⓘ
Selachii ⓘ eagle rays ⓘ guitarfishes ⓘ manta rays ⓘ rays ⓘ sawfishes ⓘ sharks ⓘ skates ⓘ stingrays ⓘ |
| kingdom | Animalia ⓘ |
| notableFeature |
heterocercal tail in many species
ⓘ
replaceable teeth rows ⓘ |
| partOf | Chondrichthyes ⓘ |
| phylum | Chordata ⓘ |
| reproductionMode |
oviparous
ⓘ
ovoviviparous ⓘ viviparous ⓘ |
| sensoryAdaptation |
highly developed olfaction
ⓘ
lateral line system ⓘ |
| sisterGroup | Holocephali ⓘ |
| skeletonType | cartilage ⓘ |
| skinType | dermal denticles ⓘ |
| subphylum | Vertebrata ⓘ |
| taxonRank | subclass ⓘ |
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: Elasmobranchii Description of subject: Elasmobranchii is a subclass of cartilaginous fishes that includes sharks, rays, and skates, characterized by skeletons made of cartilage rather than bone.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.