Definition of Gnathostome. Meaning of Gnathostome. Synonyms of Gnathostome

Here you will find one or more explanations in English for the word Gnathostome. Also in the bottom left of the page several parts of wikipedia pages related to the word Gnathostome and, of course, Gnathostome synonyms and on the right images related to the word Gnathostome.

Definition of Gnathostome

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Meaning of Gnathostome from wikipedia

- vertebrates. Gnathostome diversity comprises roughly 60,000 species, which accounts for 99% of all living vertebrates, including humans. Most gnathostomes have...
- Acanthodii or acanthodians is an extinct class of gnathostomes (jawed fishes). They are currently considered to represent a paraphyletic grade of various...
- †Placodermi (Paleozoic armoured forms; paraphyletic in relation to all other gnathostomes) class Chondrichthyes (cartilaginous fish; 900+ species) class †Acanthodii...
- closely integrated as in modern gnathostomes. These teeth were likely homologous to the teeth of other gnathostomes. One of the largest known arthrodires...
- (a-) 'without' and γνάθος (gnáthos) 'jaws') is a paraphyletic infraphylum of non-gnathostome vertebrates, or jawless fish, in the phylum Chordata, subphylum Vertebrata...
- Vertebrata └─Infraphylum Gnathostomata ├─Placodermi — extinct (armored gnathostomes) └Eugnathostomata (true jawed vertebrates) ├─Acanthodii (stem cartilaginous...
- the squamosal (a small cranial bone) meet to form the joint. In most gnathostomes, including early therapsids, the joint consists of the articular (a small...
- (armoured jawed fishes) are shown to be paraphylectic groups, separated from gnathostomes and eugnathostomes respectively. Also note that Teleostei (Neopterygii)...
- armored fish (ostracoderms) declined in diversity, while the jawed fish (gnathostomes) simultaneously increased in both the sea and fresh water. Armored placoderms...
- specimens. Discrete tooth whorls occur in both major clades of crown gnathostomes, the osteichthyans and chondrichthyans, but have not been reported in...