selachian(redirected from Selachians)
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(Animals) of, relating to, or belonging to the Selachii (or Elasmobranchii), a large subclass of cartilaginous fishes including the sharks, rays, dogfish, and skates
(Animals) any fish belonging to the subclass Selachii
[C19: from New Latin Selachiī, from Greek selakhē a shark; related to Greek selas brightness]
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|Noun||1.||selachian - any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates|
Elasmobranchii, Selachii, subclass Elasmobranchii, subclass Selachii - sharks; rays; dogfishes; skates
shark - any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales
ray - cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
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