amphioxus


Also found in: Dictionary, Thesaurus, Medical.

amphioxus:

see lanceletlancelet,
name for small, fishlike lower chordate (see Chordata), also called amphioxus; it shows many affinities with the vertebrates. There are about 30 lancelet species, most belonging to the genus Brachiostoma (formerly Amphioxus).
..... Click the link for more information.
.

amphioxus

[‚am·fē′äk·səs]
(zoology)
Former designation for the lancelet, Branchiostoma.
References in periodicals archive ?
"Amphioxus" is a fiction set in a nonfiction location - a state-operated immigration center in Berlin, where migrants must report to learn whether or not they'll be granted immigrant status.
Xu, Characterization of amphioxus GDF8/GDF11 gene, an archetype of vertebrate MSTN and GDF11, Dev.
Commenting on possible applications of this finding, Somorjai  said: "It also strengthens the position of amphioxus as an important non-vertebrate model for understanding vertebrate evolution and development, with clear implications for biomedical research."
Amphioxus Branchiostoma japonicum with average body length of about 2 cm were collected from the seashore in Qingdao city, Shandong province, China.
Amphioxus and lamprey AP-2 genes: implications for neural crest evolution and migration patterns.
The first animal to carry them remains unknown, but gene sequencing shows that a modern day invertebrate known as amphioxus "is most similar to the original spineless creature before the two rounds of whole genome duplication," MacKintosh said.
The prehistoric Amphioxus, described by the Scottish Government as "elusive", was found in waters off Tankerness in Orkney.
"Spanning from the weird to the wonderful, discoveries this year have included the bizarre Amphioxus and the beautiful yet elusive brightly-coloured flame shell.
The prehistoric amphioxus was found in waters off Tankerness in Orkney.
Amphioxus mitochondrial DNA, chordate phylogeny, and the limits of Inference based on comparisons of sequences.
The cephalochordates are represented by the lancelets (also known as amphioxus in old literature), with about 29 valid species in two genera: Branchiostoma and Epigonychthys (Poss & Boschung 1996).
These early ancestors of man, thus seen in the dim recesses of time, must have been as simply, or even still more simply organized than the lancelet or amphioxus. (63) That Darwin was able to stir far-reaching debates in the scientific and religious circles of his time is logical, but the fact that he has been able to affect a much broader range of fields, such as sociology, psychology, anthropology, as well as the general beliefs of millions of people regarding the origin of life points to the presence of a receptive ground, ready to accept a radical shift in traditional beliefs.