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elasmobranch

n. 软骨鱼,板鳃类

软骨鱼,板鳃类

WordNet (r) 3.0 (2006) (WordNet)

elasmobranch
n 1: any of numerous fishes of the class Chondrichthyes
characterized by a cartilaginous skeleton and placoid
scales: sharks; rays; skates [synonym: {elasmobranch},
{selachian}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Elasmobranch \E*las"mo*branch\, a. (Zo["o]l.)
Of or pertaining to the Elasmobranchii. -- n. One of the
Elasmobranchii.
[1913 Webster]

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Elasmobranchii - Wikipedia
Elasmobranchii ( ɪˌlæzməˈbræŋkiaɪ [1]) is a subclass of Chondrichthyes or cartilaginous fish, including modern sharks (division Selachii), and batomorphs (division Batomorphi, including rays, skates, and sawfish)
Elasmobranchs - Examples, Characteristics, Classification, Pictures
These fishes are distinguished from chimaeras by five to seven pairs of gill clefts, rigid dorsal fins, and tiny placoid scales on their bodies They lack swim bladders and instead depend on large livers rich in oil for buoyancy
What Is A Elasmobranch And What Subclass Are They? | Earth Life
What Is A Elasmobranch And What Subclass Are They? Elasmobranchs are a diverse subclass from fearsome sharks to flattened rays and skates
ELASMOBRANCH Definition Meaning - Merriam-Webster
The meaning of ELASMOBRANCH is any of a subclass (Elasmobranchii) of cartilaginous fishes that have five to seven lateral to ventral gill openings on each side and that comprise the sharks, rays, skates, and extinct related fishes
Elasmobranch - an overview | ScienceDirect Topics
Elasmobranchs are a subclass of cartilaginous fish species (class Chondrichthyes) that include sharks, skates, rays, guitarfish, and sawfish Elasmobranchs diverged from the main line of vertebrate evolution 400 million years ago, and continue to be successful in oceans and seas around the world
Biology and conservation of elasmobranchs: an introduction to the . . .
Elasmobranchs, the taxonomic group comprising sharks, skates and rays, play important roles in society and marine ecology but several species in this subclass are under threat This collection aims to be an open access hub for articles concerning all areas of elasmobranch biology and conservation
Elasmobranch | fish subclass | Britannica
All cartilaginous fishes—the elasmobranches (e g , sharks, rays, and skates)—employ internal fertilization and usually lay large, heavy-shelled eggs or give birth to live young The most characteristic features of the more primitive bony fishes is the assemblage of polyandrous (many males) breeding aggregations in open water and the absence…
Elasmobranchii - What are Elasmobranchs - Natureweb
Elasmobranchs are found primarily in marine environments, but several species live in freshwater, accounting for approximately 60 of the 1154 known elasmobranch species Rather than having a bone skeleton, they have one made of calcified cartilage
What Is the Definition of an Elasmobranch? - ThoughtCo
The term elasmobranch refers to the sharks, rays, and skates, which are cartilaginous fishes These animals have a skeleton made of cartilage, rather than bone
Elasmobranchs – Classification, features and species
Discover everything about Elasmobranchs: taxonomic classification, distinctive traits, habitat, and the list of species it includes

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