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Organizing and summarizing search results for youEncyclopedia.comhttps://www.encyclopedia.com/plants-and-animals/zoology-and-veterinary-medicine/zoology-general/cephalochordataCephalochordata - Encyclopedia.comCephalochordata A subphylum or phylum of chordates that contains only the lancelets, a group of small invertebrate marine fishlike animals. There are 23 species in two genera – Bra…Wikipediahttps://en.wikipedia.org/wiki/ChordateChordate - WikipediaCephalochordates, one of the three subdivisions of chordates, are small, "vaguely fish-shaped" animals that lack brains, clearly defined heads and specialized sense organs. [25] Th…Wikipediahttps://sco.wikipedia.org/wiki/CephalochordateCephalochordate - WikipediaA cephalochordate (frae Greek: κεφαλή kephalé, "heid" an χορδή khordé, "chord") is an ainimal in the chordate subphylum, Cephalochordata. Thay are chairacterised as chordates, as t… - See all on Wikipedia
Lancelet - Wikipedia
All living lancelets are all placed in the family Branchiostomatidae, class Leptocardii, and subphylum Cephalochordata. [32] . The family was first named by Charles Lucien Bonaparte in 1846, though he used the incorrect spelling "Branchiostomidae". [3] . One year previously, Johannes Müller had introduced the … See more
The lancelets , also known as amphioxi (sg.: amphioxus /ˌæmfiˈɒksəs/ AM-fee-OK-səs), consist of 32 described species of "fish-like" benthic filter feeding chordates in the subphylum Cephalochordata, class Leptocardii, and … See more
The larvae are extremely asymmetrical, with the mouth and anus on the left side, and the gill slits on the right side. Organs associated with the pharynx are positioned either exclusively on … See more
Lancelets became famous in the 1860s when Ernst Haeckel began promoting them as a model for the ancestor of all vertebrates. By 1900, lancelets had become a model organism. By the mid-20th century they had fallen out of favor for a variety of … See more
Habitat
Adult amphioxus typically inhabit the seafloor, burrowing into well-ventilated substrates characterized by a soft texture and minimal organic … See moreTaxonomy
The first representative organism of the group to be described was Branchiostoma lanceolatum. It was described by Peter Simon Pallas in … See moreThe animals are edible and harvested in some parts of the world. They are eaten both fresh, tasting like herring, and as a food additive in dry form after being roasted in oil. When … See more
The lancelets were traditionally seen as the sister lineage to the vertebrates; in turn, these two groups together (sometimes called Notochordata) were considered the sister … See more
Wikipedia text under CC-BY-SA license Cephalochordate | Natural History, Features & Evolution | Britannica
- cephalochordate, any of more than two dozen species belonging to the subphylum Cephalochordata of the phylum Chordata. Small, fishlike marine invertebrates, they probably are the closest living relatives of the vertebrates. Cephalochordates and vertebrates have a hollow, dorsal nerve cord, pharyngeal gill slits, and a notochord. In most vertebrates...
Cephalochordate - Wikipedia
A cephalochordate (frae Greek: κεφαλή kephalé, "heid" an χορδή khordé, "chord") is an ainimal in the chordate subphylum, Cephalochordata. Thay are chairacterised as chordates, as thay …
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Category:Cephalochordata - Wikipedia
Wikimedia Commons has media related to Cephalochordata. This category has only the following subcategory. The following 13 pages are in this category, out of 13 total. This list may not …
Cephalochordata: Definition, Characteristics, …
Nov 28, 2023 · Cephalochordata (Gr., kephale, head; chorde, cord) is a sub-phylum within the phylum Chordata. The animals in this group are small, marine invertebrates. They are commonly called lancelets or amphioxi. …
Cephalochordate - Evolution, Paleontology, Anatomy | Britannica
Cephalochordate - Evolution, Paleontology, Anatomy: The features unique to cephalochordates and vertebrates that suggest they are “sister groups” include the segmented musculature, the …
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Cephalochordate Definition and Examples - Biology …
Jun 24, 2021 · As a chordate, the cephalochordates possess a notochord. However, their notochord (as well as the dorsal nerve cord, endostyle, pharynx, and post-anal tail) persists till adulthood. Their notochord extends from head …
Cephalochordata - New World Encyclopedia
Cephalochordata (or lancelets, traditionally known as amphioxus, plural amphioxi) is a subphylum of marine invertebrates of the phylum Chordata. They are usually found in shallow parts of temperate or tropical seas.
Cephalochordata - Encyclopedia.com
May 14, 2018 · The cephalochordates are the closest living relatives of the vertebrates. The group derives its name from the notochord that extends far forward into the head (farther than the …
Cephalochordate - Characteristics, Classification
Apr 12, 2024 · Cephalochordates, also known as lancelets, are small, fish-like translucent marine chordates found in shallow temperate and tropical oceans, typically buried in coarse sand. They possess several distinct characteristics …
Cephalochordates - (General Biology I) - Vocab, Definition
Cephalochordates are a group of marine invertebrates that belong to the phylum Chordata, characterized by their notochord, dorsal nerve cord, and segmented body structure.
Cephalochordata: Definition, Meaning, Classification, …
Sep 18, 2024 · Cephalochordata which are also known as the lancelets are small marine chordates that resemble fish, translucent in body, with notochord running from head to tail, …
Cephalochordate - an overview | ScienceDirect Topics
The Cephalochordata (lancelets) is a small phylum that contains only approximately 35 marine, fish-like creatures, among which Branchiostoma (amphioxus) is the best known (Fig. 1.4A). …
Characteristics of Cephalochordata - BYJU'S
Cephalochordata is a subphylum in the phylum chordata. The animals belonging to this subphylum are known as cephalochordates, lancelets or amphioxus. They are marine animals …
Cephalochordate - Anatomy, Physiology, Evolution | Britannica
The cephalochordate commonly is buried in the substrate and positions its mouth above the surface of the sand. During feeding, the cirri form a kind of grid that keeps out large particles. …
Cephalochordates: What they are, their characteristics and their ...
Cephalochordates are a group of marine animals belonging to the phylum Chordata, the same phylum to which vertebrates belong. However, unlike fish, amphibians, reptiles, birds and …
Cephalochordata - an overview | ScienceDirect Topics
Cephalochordata is defined as the most recent common ancestor of lancelets and Craniata, and all of that ancestor's descendants. Cephalochordates are diagnosed by the presence of …
cephalochordates - Encyclopedia of Life
Cephalochordata (Cephalochordates) is a subphylum of Animal. There are 33 species of Cephalochordates, in 5 genera and 1 family. Individuals can grow to 60 mm. They have sexual …
Cephalochordate - Classification, Structure, Function and Examples
Cephalochordate is also called acrania. It is a group of two or more dozen species belonging to the subphylum Cephalochordata of the phylum Chordata. Further, Cephalochordata is …
Cephalochordates: A window into vertebrate origins
Jan 1, 2021 · Combined with micro-anatomy and genomics, evodevo has provided convincing evidence that vertebrates evolved from an ancestral invertebrate chordate, in many respects …
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