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Há 6 dias · The vertebrates consist of all the taxa within the subphylum Vertebrata (/ ˌ v ɜːr t ə ˈ b r eɪ t ə /) and represent the overwhelming majority of the phylum Chordata, with currently about 69,963 species described. Vertebrates comprise groups such as the following infraphyla and classes: Agnatha or jawless fish, which include ...
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5 de mai. de 2024 · basis of record Margulis, L.; Schwartz, K.V. (1998). Five Kingdoms: an illustrated guide to the Phyla of life on earth. 3rd edition. Freeman: New York, NY (USA
6 de mai. de 2024 · Vertebrate, any animal of the subphylum Vertebrata. They have backbones and are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone.
21 de mai. de 2024 · swan, largest waterfowl species of the subfamily Anserinae, family Anatidae (order Anseriformes). Most swans are classified in the genus Cygnus. Swans are gracefully long-necked, heavy-bodied, big-footed birds that glide majestically when swimming and fly with slow wingbeats and with necks outstretched. They migrate in diagonal formation or V ...
Há 6 dias · Nannacara bimaculata Eigenmann, 1912. Environment. marine, brackish, fresh, terrestrial. Original description. (of Nannacara bimaculata Eigenmann, 1912) Eigenmann, C. H. (1912). The freshwater fishes of British Guiana, including a study of the ecological grouping of species, and the relation of the fauna of the plateau to that of the lowlands.
Há 1 dia · Squamata ( / skwæˈmeɪtə /, Latin squamatus, 'scaly, having scales') is the largest order of reptiles, comprising lizards and snakes. With over 12162 Species, [2] it is also the second-largest order of extant (living) vertebrates, after the perciform fish.
