Elasmobranchii - Wikipedia
WEBElasmobranchii (/ ɪ ˌ l æ z m ə ˈ b r æ ŋ k i aɪ /) is a subclass of Chondrichthyes or cartilaginous fish, including modern sharks (superorder Selachii), rays, skates, and sawfish (superorder Batoidea).
Elasmobranch | fish subclass | Britannica
WEBIn fish: Annotated classification. Subclass Elasmobranchii Chondrichthians with 5–7 pairs of gill clefts not covered by a fold of skin, opening separately to the exterior. Order Selachii (sharks) Elasmobranchs with gill clefts opening at least partly on the side of the body. More than 400 species.
What Is A Elasmobranch And What Subclass Are They? | Earth Life
WEBOct 18, 2023 · Elasmobranchs are an iconic and diverse subclass of cartilaginous fishes, ranging from fearsome sharks to flattened rays and skates. The name “elasmobranch” comes from the Greek words elasm—meaning plate—and branchia, meaning gills. For centuries, their anatomy and biology have fascinated and frightened humans in equal …
What Is the Definition of an Elasmobranch? - ThoughtCo
WEBFeb 18, 2019 · 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. These animals are collectively referred to as elasmobranchs because they are in the Class Elasmobranchii.
Shark genomes provide insights into elasmobranch evolution and …
WEBOct 8, 2018 · Modern cartilaginous fishes are divided into elasmobranchs (sharks, rays and skates) and chimaeras, and the lack of established whole-genome sequences for the former has prevented our...
Elasmobranchs | Encyclopedia.com
WEBMay 8, 2018 · Elasmobranchii (class Chondrichthyes) A subclass of shark-like fish that have five–seven gill slits, fairly rigid fins, placoid scales, a spiracular opening behind the jaws, numerous teeth, and claspers on the ventral fins of the male. Modern elasmobranchs have a cartilaginous skeleton.
Elasmobranch – Fishionary - Fisheries
WEBElasmobranchs, including sharks, rays, and sawfishes, belong to the taxonomic subclass of cartilaginous fish Elasmobranchii. Like most chondrichthyes, they have exposed gills, no swim bladder, internal fertilization, and placoid denticles .
Biology and conservation of elasmobranchs: an introduction to the ...
WEBAug 12, 2014 · 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.
Elasmobranchii - Simple English Wikipedia, the free encyclopedia
WEBElasmobranchii is a subclass of the Chondrichthyes or cartilaginous fish. It includes the modern sharks and the rays and skates. Evolution. Fossilised shark teeth are known from the early Devonian, around 400 million years ago.
What is an ‘elasmobranch’? The impact of palaeontology in …
WEBMar 21, 2012 · The Subclass Elasmobranchii is widely considered nowadays to be the sister group of the Subclass Holocephali, although chimaeroid fishes were originally classified as elasmobranchs along with modern sharks and rays.
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