Lancelet - Wikipedia
Lancelets contain many organs and organ systems that are homologous to those of modern fish, but in a more primitive form. Therefore, they provide a number of examples of possible …
Lancelet - AnimalFact.com
2024年8月20日 · Lancelets, or amphioxi, are tiny, fish-like marine organisms that belong to the subphylum Cephalochordata, in the class Leptocardii. They get their name ‘lancelets’ due to …
Lancelets: Cephalochordata - Encyclopedia.com
Scientists consider lancelets the closest living relatives to vertebrates (VER-teh-brehts), or animals with a backbone. The two groups share traits such as the organization of the main …
Cephalochordata (Lancelets) - Encyclopedia.com
Cephalochordates (also called acraniates or lancelets) possess key features that characterize them as chordates. Those characters include the notochord, dorsal nerve cord, branchial …
Lancelet | Encyclopedia.com
2018年5月11日 · lancelet, name for small, fishlike lower chordate (see Chordata [1]), also called amphioxus; it shows many affinities with the vertebrates. There are about 30 lancelet species, …
Cephalochordate - Anatomy, Physiology, Evolution | Britannica
Lancelets are suspension feeders that extract small particles suspended in the water. The mouth is covered by an oral hood, the edges of which form the buccal cirri. The cephalochordate …
Lancelet - Simple English Wikipedia, the free encyclopedia
The lancelets, also known as Cephalochordata or Leptocardii, are a group of primitive chordates which were formerly called Amphioxus. It includes Pikaia. Lancelets are the modern survivors …
Lancelet Definition and Examples - Biology Online Dictionary
2021年2月26日 · The lancelets are small fishlike chordates of the order Amphoxiformes. The Amphoxiformes belongs to class Leptocardii of the subphylum Cephalochordata …
LanceletDB: an integrated genome database for lancelet, …
Lancelet (amphioxus), in particular, represents the most basally divergent living cephalochordate that diverged from urochordates and vertebrates 550 million years ago and retains a body plan …
lancelet - FactMonster
lancelet, 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 …
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