Sarcopterygii - Wikipedia
Sarcopterygii (/ ˌsɑːrkɒptəˈrɪdʒi.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 lo...
Sarcopterygii - New World Encyclopedia
Sarcopterygii traditionally is a class of vertebrates known as lobe-finned fishes, consisting of living and fossil lungfishes and coelacanths, and related extinct fishes. Members of this group are characterized by lobed paired fins, joined to the body by a single bone (Clark 2002) and two dorsal fins with separate bases.
Introduction to the Sarcopterygii - University of California …
The Sarcopterygii are the lobe-finned fish and the tetrapods. The name Sarcopterygii (or sometimes Crossopterygii) used to refer only to the fish members of the group, but since it has become clear that the Tetrapoda evolved from sarcopterygian fish, the definition of the group has been expanded.
Sarcopterygii: Characteristics, types, habitats and more…
2019年5月28日 · There is a type of bony fish called Sarcopterygii or lobe-finned fishes, that possess lobulated caudal and pectorals fins. For this reason they are called legged–fish. Know through this post all about these peculiar creatures.
Sarcopterygii | fish taxon | Britannica - Encyclopedia Britannica
In fish: Sarcopterygii: fleshy-finned fishes. Fishes of the class Sarcopterygii are extremely ancient in origin, their first remains appearing in Lower Devonian strata of Germany. Some authorities contend that the rhipidistians, one of the three groups of sarcopterygians, gave rise to the amphibians by the end of… Read More; evolution of ...
Sarcopterygii - Simple English Wikipedia, the free encyclopedia
The Sarcopterygii [1] is a class of fish. They are lobe-finned fish, like the lungfish and coelacanths. They are a clade of bony fish which first appeared in the Silurian, 418 million years ago (mya). One line in this group gave rise to the tetrapods. [2]
Sarcopterygii - an overview | ScienceDirect Topics
The Sarcopterygii represents a well-diagnosed clade composed of seven unambiguous subclades (i.e., Actinistia, Onychodontida, Dipnoiformes, Porolepiformes, Rhizodontida, Elpistostegalia, and Tetrapoda) and one questionable taxon (i.e., Osteolepiformes).
Sarcopterygii - lobe-finned fishes - UCL
The Sarcopterygii, or lobe-finned fishes, is a clade containing the coelacanths, lungfishes, tetrapods, and their fossil relatives, including the osteolepiformes and panderichthyids. They are the sister group to the ray-finned fishes (Actinopterygii), together …
Sarcopterygii | Encyclopedia MDPI
2022年10月27日 · Sarcopterygii (/ˌsɑːrkɒptəˈrɪdʒi.aɪ/; from grc σάρξ (sárx) 'flesh', and πτέρυξ (ptérux) 'wing, fins')—sometimes considered synonymous with Crossopterygii (from grc κροσσός (krossós) 'fringe')—is a taxon (traditionally a class or subclass) of the bony fishes whose members are known as lobe-finned fishes.
Sarcopterygii - an overview | ScienceDirect Topics
Sarcopterygii is diagnosed by the presence of fleshy, lobed appendages, with differentiated proximal limb bones in the pectoral and pelvic fins, and by the presence of a ring of four or more bony plates in the eye (the sclerotic, or scleral, ring).