Definition of Agnatha. Meaning of Agnatha. Synonyms of Agnatha

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Definition of Agnatha

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Meaning of Agnatha from wikipedia

- Agnatha (/ˈæɡnəθə, æɡˈneɪθə/; from Ancient Gr**** ἀ- (a-) 'without' and γνάθος (gnáthos) 'jaws') is a paraphyletic infraphylum of non-gnathostome vertebrates...
- Vertebrates comprise groups such as the following infraphyla and classes: Agnatha or jawless fish, which include: †Conodonta †Ostracodermi Cyclostomi (hagfish...
- (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 33,400 species of fish had been described as of...
- taxonomy. Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified...
- classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Infraphylum: Agnatha Genus: †Areyongalepis Young, 2000 Species: †A. oervigi Binomial name †Areyongalepis...
- cartilaginous fishes or primitive vertebrates. Cope (1889) coined the name Agnatha ("jawless") for a group that included the cyclostomes and a number of fossil...
- with Metaspriggina and the other craniates (both gnathostomatans and Agnatha) grouped with Branchiostoma and the cephalochordates, and Pikaia out on...
- Fish vary greatly in size. The whale shark and basking shark exceed all other fish by a considerable margin in weight and length. Fish are a paraphyletic...
- The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different...
- Examples of infraphyla include the Mycetozoa, the Gnathostomata and the Agnatha. Hutchinson 1973. Hutchinson, John (1973). The families of flowering plants...