Definition of Lancelets. Meaning of Lancelets. Synonyms of Lancelets

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

Definition of Lancelets

Lancelet
Lancelet Lance"let, n. [Lance + -let.] (Zo["o]l.) A small fishlike animal (Amphioxus lanceolatus), remarkable for the rudimentary condition of its organs. It is the type of the class Leptocardia. See Amphioxus, Leptocardia.
lancelet
Amphioxus Am`phi*ox"us, n. [NL., fr. Gr. ? + ? sharp.] (Zo["o]l.) A fishlike creature (Amphioxus lanceolatus), two or three inches long, found in temperature seas; -- also called the lancelet. Its body is pointed at both ends. It is the lowest and most generalized of the vertebrates, having neither brain, skull, vertebr[ae], nor red blood. It forms the type of the group Acrania, Leptocardia, etc.

Meaning of Lancelets from wikipedia

- to lancelets, including Pikaia and Cathaymyrus from the Cambrian and Palaeobranchiostoma from the Permian, but their close relationship to lancelets has...
- Chordata Subphylum Cephalochordata (Acraniata) – (lancelets; 30 species) class Leptocardii (lancelets) Subphylum Tunicata (Urochordata) – (tunicates; 3...
- animals it can facilitate tail motion when swimming. In cephalochordates (lancelets), the notochord persists throughout life as the main structural support...
- †. Some groups in this tree (lancelets and tunicates) are invertebrates. The positions (relationships) of the lancelet, tunicate, and craniate clades...
- mud lancelet, is a lancelet of the genus Branchiostoma endemic to the Gulf of Mexico, where it is found in the northern part. Like other lancelets in the...
- evolution Forerunners Basal member †Pikaia Cephalochordate †Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia)...
- Branchiostoma is one of the few living genera of lancelets (order Amphioxiformes). It is the type genus of family Branchiostomatidae. These small vaguely...
- Cephalochordata Amphioxiformes (lancelets) Olfactores...
- and inhabits waters off the coasts of China and ****an. In Xiamen, the lancelets inhabiting the waters were originally thought to be of Branchiostoma belcheri...
- brain, though precursor structures exist in onychophorans, gastropods and lancelets. The rest of this article exclusively discusses the vertebrate central...