Craniata - Wikipedia
WEBLinnaeus, 1758. Craniata op Wikispecies. Portaal. Biologie. De Craniata vormen een groep chordadieren die de onderstammen van de slijmprikken (Hyperotreti of Myxini) en de gewervelden (Vertebrata) omvat. Dit taxon omvat dus zowel de "echte" gewervelden, die …
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A craniate is a member of the Craniata (sometimes called the Craniota), a proposed clade of chordate animals with a skull of hard bone or cartilage. Living representatives are the Myxini (hagfishes), Hyperoartia (including lampreys), and the much more numerous Gnathostomata (jawed vertebrates). Formerly distinct from vertebrates by excluding hagfish, molecular and anatomical research in the 21st century has led to the reinclusion of hagfish as vertebrates, making living cr…
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15.5: Craniates - Biology LibreTexts
WEBCraniata, including this fish (Dunkleosteus sp.), are characterized by the presence of a cranium, mandible, and other facial bones. (credit: “Steveoc 86”/Wikimedia Commons) A cranium is a bony, cartilaginous, or fibrous …
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29.1C: The Evolution of Craniata and Vertebrata - Biology LibreTexts
WEBThe clade Craniata is a subdivision of Chordata. Members of Craniata posses a cranium, which is a bony, cartilaginous, or fibrous structure surrounding the brain, jaw, and facial bones. The clade Craniata includes all vertebrates and the hagfishes (Myxini), which have a cranium but lack a backbone.
15.23: Craniates - Biology LibreTexts
WEBMost bilaterally symmetrical animals have a head; of these, those that have a cranium compose the clade Craniata. Craniata includes the hagfishes (Myxini), which have a cranium but lack a backbone, and all of the organisms called “vertebrates.” Vertebrates are members of the clade Vertebrata.
WEB7 nov. 2014 · Chordates consist of three distinct animal groups: cephalochordates, urochordates (tunicates) and vertebrates. This review starts with a brief description of how the Phylum Chordata and its three …
The Origin and Early Evolution of the Craniata | Short Courses in ...
WEBThe origin of the Craniata (hagfish + Vertebrata [Vertebrata = lamprey + Gnathostoma]—Janvier, 1981), one of the three subphyla of the Phylum Chordata, has generated more controversy in terms of numbers of likely ancestors than the origin of any other metazoan group.
WEB5 feb. 2019 · Craniates (Craniata) are a group of chordates that includes hagfish, lampreys, and jawed vertebrates such as amphibians, birds, reptiles, mammals, and fishes. Craniates are best described as chordates that have a braincase (also called a cranium or a skull), mandible (jawbone) and other facial bones.
WEBThe Craniata, or craniates, include all animals having a skull (or cranium, hence their name), be it cartilaginous or bony. A skull is a box of hard tissues which encloses the brain, olfactory organs, eyes, and internal ear. Craniates comprise all fishes - including such jawless fishes as hagfishes and lampreys - amphibians, reptiles, birds and ...
WEBA cranium is a bony, cartilaginous, or fibrous structure surrounding the brain, jaw, and facial bones (Figure 1). Most bilaterally symmetrical animals have a head; of these, those that have a cranium comprise the clade …
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