Lancelet - Wikipedia
The lancelets (/ ˈ l æ n s l ɪ t s, ˈ l ɑː n-/ LA(H)N-slits), also known as amphioxi (sg.: amphioxus / ˌ æ m f i ˈ ɒ k s ə s / AM-fee-OK-səs), consist of 32 described species of "fish-like" benthic filter feeding chordates [9] in the subphylum Cephalochordata, class Leptocardii, and family Branchiostomatidae.
Amphioxus | Anatomy, Habitat & Reproduction | Britannica
amphioxus, any of certain members of the invertebrate subphylum Cephalochordata of the phylum Chordata. Amphioxi are small marine animals found widely in the coastal waters of the warmer parts of the world and less commonly in temperate waters.
The amphioxus genome and the evolution of the chordate …
Jun 19, 2008 · Lancelets (‘amphioxus’) are the modern survivors of an ancient chordate lineage, with a fossil record dating back to the Cambrian period. Here we describe the structure and gene content of the...
The Natural History of Model Organisms: Amphioxus as a model …
Sep 18, 2023 · Here we describe the life cycle of amphioxus, and discuss the natural histories and habitats of the different species of amphioxus. We also describe their use as laboratory animal models, and discuss the techniques that have been …
Characteristics and behavior of amphioxus | Britannica
amphioxus, or lancelet, Any of certain small marine chordates (invertebrate subphylum Cephalochordata) found widely on tropical and subtropical coasts and less commonly in temperate waters. Seldom more than 3 in. (8 cm) long, they resemble small, slender fishes without eyes or a definite head.
Branchiostoma lanceolatum - Wikipedia
Branchiostoma lanceolatum, the European lancelet or Mediterranean amphioxus is a lancelet in the subphylum Cephalochordata. It is a marine invertebrate with a notochord but no backbone and is used as a model organism to study the evolutionary development of vertebrates .
Amphioxus - Shape of Life
Jun 4, 2015 · Amphioxus, or the lancelet, is an animal that comes closer than any other to the transition group between invertebrates and vertebrates. Because they are early chordates and have all the chordate characteristics,. Amphioxus has …
Amphioxus functional genomics and the origins of vertebrate …
Nov 22, 2018 · Genomic, epigenomic and transcriptomic data derived from the Mediterranean amphioxus (Branchiostoma lanceolatum) provide insights into the evolution of the genomic regulatory landscape of...
Cell type and regulatory analysis in amphioxus illuminates …
Oct 14, 2024 · Through cell type characterization, we identify the presence of prechordal plate-like, pre-migratory, and migratory neural crest-like cell populations in the developing amphioxus embryo.
Evolutionary crossroads in developmental biology: amphioxus
Nov 15, 2011 · Amphioxus (also called lancelets or cephalochordates) form one of the three chordate subphyla, along with urochordates (see Glossary, Box 1) and vertebrates (Schubert et al., 2006) (Fig. 1A). They form a small group comprising about 35 …