Evolution Of Fish Jawed fish
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bones involved. Jawed vertebrates and jawed fish evolved from earlier jawless fish. The cladogram for jawed vertebrates is a continuation of the cladogram...
mouth to form the jaw. The upper portion of the second embryonic arch supporting the gill became the hyomandibular bone of jawed fishes, which supports...- By the start of the Early Devonian 419 mya, jawed fishes had divided into four distinct clades: the placoderms and spiny sharks, both of which are now...
Gnathostomata (redirect from Jawed fish)(gnathos) 'jaw' + στόμα (stoma) 'mouth') are the jawed vertebrates. Gnathostome diversity comprises roughly 60,000 species, which accounts for 99% of all living...
species, or those form by the ectoderm, as seen in jawed fish. However, recent studies on gill formation of the little skate (Leucoraja erinacea) has shown...
walking fish, or ambulatory fish, is a fish that is able to travel over land for extended periods of time. Some other modes of non-standard fish locomotion...
fluid in the dermis. Also part of the fish's integumentary system are the scales that cover the outer body of many jawed fish. The commonly known scales are...
A fish scale is a small rigid plate that grows out of the skin of a fish. The skin of most jawed fishes is covered with these protective scales, which...
Chondrichthyes (redirect from Cartilaginous fish)(ikhthús) 'fish') is a class of jawed fish that contains the cartilaginous fish or chondrichthyians, which all have skeletons primarily composed of cartilage...- † (early jawless fish) (unranked) Galeaspida † (unranked) Pituriaspida † (unranked) Osteostraci † Infraphylum Gnathostomata (jawed vertebrates) Class...
digits. Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as...
between species. Examples of oily fish include small forage fish such as sardines, herring and anchovies, and other larger pelagic fish such as salmon, trout...
aquatic salamanders, and caecilians. Ampullae of Lorenzini were lost early in the evolution of bony fishes and tetrapods. Where electroreception does occur...
The Exocoetidae are a family of marine ray-finned fish in the order Beloniformes, known colloquially as flying fish or flying cod. About 64 species are...
Placoderm (redirect from Armored fish)the name), and the rest of the body was scaled or naked depending on the species. Placoderms were among the first jawed fish; their jaws likely evolved...- acanthodians List of prehistoric cartilaginous fish List of prehistoric bony fish List of sarcopterygians Evolution of fish Prehistoric life Vertebrate paleontology...
Skates are cartilaginous fish belonging to the family Rajidae in the superorder Batoidea of rays. More than 150 species have been described, in 17 genera...
Vision is an important sensory system for most species of fish. Fish eyes are similar to the eyes of terrestrial vertebrates like birds and mammals, but...
Agnatha (redirect from Jawless fish)hypothesis that both groups of living agnathans, hagfishes and lampreys, are more closely related to each other than to jawed fish, forming the clade Cyclostomi...
numerous teeth. The vertebrate jaw probably originally evolved in the Silurian period and appeared in the Placoderm fish which further diversified in the...
- April 1902 (1902) The Evolution of Fishes by David Starr Jordan 1411214Popular Science Monthly Volume 60 April 1902 — The Evolution of Fishes1902David Starr
- animals, including placoderms, a prehistoric class of fish that represents some of our earliest jawed ancestors." We found the oldest ever vertebrate fossil
- include the jawless fishes and the jawed vertebrates. The jawed vertebrates include the cartilaginous fish (sharks and rays) and the bony fish. The tetrapods