subclass selachii
English Thesaurus
1. sharks; rays; dogfishes; skates (noun.animal)
| hypernym | : | class, |
| definition | : | (biology) a taxonomic group containing one or more orders (noun.group) |
| member holonym | : | elasmobranch, selachian, |
| definition | : | any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates (noun.animal) |
| member holonym | : | family hexanchidae, hexanchidae, |
| definition | : | primitive sharks (noun.animal) |
| member holonym | : | family lamnidae, lamnidae, |
| definition | : | oceanic sharks (noun.animal) |
| member holonym | : | cetorhinidae, family cetorhinidae, |
| definition | : | in some older classifications considered the family of the basking sharks (noun.animal) |
| member holonym | : | alopiidae, family alopiidae, |
| definition | : | thresher sharks (noun.animal) |
| member holonym | : | family orectolobidae, orectolobidae, |
| definition | : | nurse sharks and carpet sharks (noun.animal) |
| member holonym | : | carchariidae, family carchariidae, family odontaspididae, odontaspididae, |
| definition | : | sand sharks; in some classifications coextensive with family Carcharhinidae (noun.animal) |
| member holonym | : | family rhincodontidae, rhincodontidae, |
| definition | : | small-toothed sharks comprising only one species (noun.animal) |
| member holonym | : | family scyliorhinidae, scyliorhinidae, |
| definition | : | small bottom-dwelling sharks (noun.animal) |
| member holonym | : | carcharhinidae, family carcharhinidae, |
| definition | : | largest family of living sharks; found worldwide especially in tropical waters; dorsal fin lacks spines: requiem sharks including tiger sharks and soupfin sharks (noun.animal) |
| member holonym | : | family triakidae, triakidae, |
| definition | : | small sharks with smooth skins and lacking spines on their dorsal fins (noun.animal) |
| member holonym | : | family squalidae, squalidae, |
| definition | : | dogfishes having a spine in each dorsal fin (noun.animal) |
| member holonym | : | family sphyrnidae, sphyrnidae, |
| definition | : | hammerhead sharks; bonnethead sharks (noun.animal) |
| member holonym | : | family squatinidae, squatinidae, |
| definition | : | bottom-dwelling ray-like sharks (noun.animal) |
| member holonym | : | order torpediniformes, torpediniformes, |
| definition | : | rays with bodies shaped like torpedoes (noun.animal) |
| member holonym | : | batoidei, order batoidei, order rajiformes, rajiformes, |
| definition | : | fish with dorsoventrally flattened bodies; includes: rays; skates; guitarfishes; sawfishes (noun.animal) |
| member meronym | : | chondrichthyes, class chondrichthyes, |
| definition | : | cartilaginous fishes (noun.animal) |
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