|
Class Agnatha consists of an ancient group of animals similar to fish but with some very noticeable differences. The agnathans lack jaws and paired fins. Instead of jaws, they have a cyclostomic (circular) toothed mouth with which they bore into the side of a fish and suck the blood of their victim.
|
www.fernbank.edu/stt/VertBio/pages/agnatha/agnatha.htm
www.fernbank.edu/stt/VertBio/pages/agnatha/agnatha.htm
|
|
|
|
Agnathans are jawless fish. There are two primary marine types of the class Agnatha. They are Hagfish and Lampreys. Here is some information and pictures of them:; ... Hagfish are of the order, Myxiniform. They are related to the slimefish. They have the peculiar habit of tying themselves into knots in order to shed...
|
www.cyhaus.com/marine/agnatha.htm
www.cyhaus.com/marine/agnatha.htm
|
|
|
|
Agnatha (Greek, "no jaws"), often considered a superclass within the subphylum Vertebrata, comprises the jawless fish—the oldest known vertebrates. The two extant groups of jawless fish (sometimes called cyclostomes) are the lampreys and the hagfish.
|
www.newworldencyclopedia.org/entry/Agnatha
www.newworldencyclopedia.org/entry/Agnatha
|
|
|
The lampreys are the most primitive of the true vertebrates, their skeletons being cartilaginous without any true bone, and their skulls hardly differentiated from the vertebral column which forms a simple notochordal sheath. They have no true jaws, no ribs, no shoulder or pelvic girdles, ... They are eel-like in appearance,
|
www.gma.org/fogm/agnatha.htm
www.gma.org/fogm/agnatha.htm
|
|
Agnatha have existed since the Cambrian, and continue to live in modern times. There are two extant group of jawless fish, the lampreys and the hagfish, with about 100 species between them. ... In addition to the absence of jaws, the Agnatha are characterised by absence of paired fins, the presence notochord both in larvae...
|
simple.wikipedia.org/wiki/Agnatha
simple.wikipedia.org/wiki/Agnatha
|
|
What is a(n) Agnatha – Our zoology dictionary has ecology, physiology, genetics of Agnatha, and the evolution of Agnatha. Encyclopedia.com: Dictionary of Zoology ... Agnatha (Marsipobranchii; phylum Chordata, subphylum Vertebrata) A superclass of jawless, fish-like vertebrates that have sucker-like mouths and lack paired...
|
www.encyclopedia.com/doc/1O8-Agnatha.html
www.encyclopedia.com/doc/1O8-Agnatha.html
|
|
Hutchinson encyclopedia article about Agnatha. Agnatha. Information about Agnatha in the Hutchinson encyclopedia. class agnatha, superclass agnatha, agnatha order ... Agnatha; Agnes von Hohenstaufen; Agnes, St; Agnesi, Maria Gaetana; Agnew, Spiro; Agni; Agnon, Shmuel Yosef; agnosticism;
|
encyclopedia.farlex.com/Agnatha
encyclopedia.farlex.com/Agnatha
|
|
Page produced by Priyanka Tandon ... The Agnatha class is in the Chordata phylum. The two main types of fish in the Agnatha class are lamprey and hagfish. The word Agnatha comes from the Greek word, meaning "not" and gnathos meaning "jaw."
|
www.fcps.edu/westspringfieldhs/academic/science/1projec...
www.fcps.edu/westspringfieldhs/academic/science/1project/zoo00/zoo00/zoopis/agnatha.shtml
|
|
The Vertebrata, or vertebrates, is a very diverse group, ranging from lampreys to Man. It includes all craniates, except hagfishes, and are characterized chiefly by a ... At that time, however, the Agnatha were regarded as a clade, whose sister-group was the Gnathostomata, as illustrated by Stensiö's (1927) diagram:
|
