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Elasmobranchii ( / ɪˌlæzməˈbræŋkiaɪ / [6]) is a subclass of Chondrichthyes or cartilaginous fish, including modern sharks (superorder Selachii), rays, skates, and sawfish (superorder Batoidea ).
- Selachimorpha
Etymology. Until the 16th century, sharks were known to...
- Neoselachii
The Neoselachii are an important group of cartilaginous fish...
- Selachimorpha
Elasmobranchii (do grego elasmo, placa + branch, brânquia) é uma subclasse de peixes cartilagíneos, com mais de mil espécies já identificadas, [ 1] e que inclui os tubarões e as raias. Em português, chamam-se de elasmobrânquios. [ 1] . Duas superordens são reconhecidas: Selachimorpha - os tubarões. Bathoidea - as raias. Referências.
Conteúdo. ocultar. Início. Classificação científica. Referências. Ver também. Batoidea. Arraias, raias ou peixes batóides são peixes cartilaginosos marinhos classificados na infraclasse Batoidea (ou Rajomorphii) da classe Elasmobranchii, grupo que também contêm os tubarões.
Synechodontiformes is an extinct order of prehistoric shark -like cartilaginous fish, known from the Permian to the Paleogene. They are considered to be members of Neoselachii, the group that contains modern sharks and rays.
Reifella. Anachronistidae is an extinct family of cartilaginous fish, known from the Carboniferous and Permian periods. They are considered to be the oldest known members of Neoselachii (equivalent to Elasmobranchii in its narrow sense), with a close relationship to modern sharks and rays. They are known from isolated teeth.
The Neoselachii are a monophyletic group including all of the extant sharks and rays. They underwent rapid diversification throughout the Jurassic and Cretaceous, going from low-diversity assemblages of members of extinct orders in the Late Triassic to diverse assemblages containing representatives of most extant clades by the end of the ...
