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Sarcopterygii (/ ˌ s ɑːr k ɒ p t ə ˈ r ɪ dʒ i. aɪ /; from Ancient Greek σάρξ (sárx) 'flesh' and πτέρυξ (ptérux) 'wing, fin') — sometimes considered synonymous with Crossopterygii (from Ancient Greek κροσσός (krossós) 'fringe') — is a clade (traditionally a class or subclass) of vertebrate animals which includes a group of bony fish commonly referred to as lobe ...
The taxon Sarcopterygii was traditionally classified as a paraphyletic group considered either a class or a subclass of Osteichthyes (bony fish). Identification of the group is based on several characteristics, such as the presence of fleshy, lobed, paired fins, which are joined to the body by a single bone. [1]
This list of lobe-finned fish is a comprehensive listing of all genera that have ever been included in the class Sarcopterygii, excluding purely vernacular terms and tetrapods. The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful ( nomen dubium ), or were not formally published ( nomen nudum ...
Coelacanths are a part of the clade Sarcopterygii, or the lobe-finned fishes. They share membership in this clade with lungfish and tetrapods. Externally, several characteristics distinguish coelacanths from other lobe-finned fish. They possess a three-lobed caudal fin, also called a trilobate fin or a diphycercal tail. A secondary tail ...
Eusthenopteron (from Greek: εὖ eû, 'good', Greek: σθένος sthénos, 'strength', and Greek: πτερόν pteron 'wing' or 'fin') [2] is a genus of prehistoric sarcopterygian (often called "lobe-finned") fish known from several species that lived during the Late Devonian period, about 385 million years ago.
Sarcopterygii (lobe-finned fish, including tetrapods) Osteichthyes ( / ˌ ɒ s t iː ˈ ɪ k θ iː z / ost-ee- IK -theez ; from Ancient Greek ὀστέον ( ostéon ) 'bone' and ἰχθύς ( ikhthús ) 'fish'), [ 2 ] also known as osteichthyans or commonly referred to as the bony fish , is a diverse superclass of vertebrate animals that have ...
Sarcopterygii Euteleostomi ( Eu- teleostomi [ a ] , where Eu- comes from Greek εὖ 'well, good' [ b ] or Euteleostomes , also known as "bony vertebrates " [ c ] ) is a successful clade that includes more than 90% of the living species of vertebrates.
Rhipidistia, also known as Dipnotetrapodomorpha, [1] is a clade of lobe-finned fishes which includes the tetrapods and lungfishes.Rhipidistia formerly referred to a subgroup of Sarcopterygii consisting of the Porolepiformes and Osteolepiformes, a definition that is now obsolete. [2]