Agnatha (/ˈæɡnəθə, æɡˈneɪθə/; from Ancient Greek ἀ- (a-) 'without' and γνάθος (gnáthos) 'jaws') is an infraphylum of jawless fish in the phylum Chordata...

Vertebrates comprise groups such as the following infraphyla and classes: Agnatha or jawless fish, which include: †Conodonta †Ostracodermi Cyclostomi (hagfish...

classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Infraphylum: Agnatha Genus: †Areyongalepis Young, 2000 Species: †A. oervigi Binomial name †Areyongalepis...

taxonomy. Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified...

(Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 33,400 species of fish had been described as of...

Examples of infraphyla include the Mycetozoa, the Gnathostomata and the Agnatha. Hutchinson 1973. Hutchinson, John (1973). The families of flowering plants...

systematic index. It includes 40 species of Chondrichthyes, three species of Agnatha, the other are bony fishes. The following tags are used to indicate the...

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...

cartilaginous fishes or primitive vertebrates. Cope (1889) coined the name Agnatha ("jawless") for a group that included the cyclostomes and a number of fossil...

This article contains a list of all of the classes and orders that are located in the Phylum Chordata. Order Amphioxiformes Every animal in this list is...