Chordate - Wikipedia
WEBA chordate (/ ˈ k ɔːr d eɪ t / KOR-dayt) is a deuterostomic animal belonging to the phylum Chordata (/ k ɔːr ˈ d eɪ t ə / kor-DAY-tə). All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics ( synapomorphies ) that distinguish them from other taxa .
Chordate | Definition, Characteristics, & Facts | Britannica
WEBMar 29, 2024 · Chordate, any member of the phylum Chordata, which includes the vertebrates, the most highly evolved animals, as well as two other subphyla—the tunicates and cephalochordates. Some classifications also …
Chordate - Simple English Wikipedia, the free encyclopedia
WEBChordates, phylum Chordata, are a phylum of animals which have a notochord. The group includes vertebrates, with some closely related invertebrates . Classaxonomy. Phylum Chordata. Tunicata – (tunicates, formerly Urochordata; 3,000 species) † Vetulicolia (8 Cambrian species of fossil) Cephalochordata – (lancelets, 30 species)
5.9.2: Chordates - Biology LibreTexts
WEBCharacteristics of Chordata. Animals in the phylum Chordata share five key characteristics that appear at some stage during their development: a notochord, a dorsal hollow (tubular) nerve cord, pharyngeal gill arches or slits, a post-anal tail, and an endostyle/thyroid gland (Figure 29.3). In some groups, some of these key characteristics are ...
List of chordate orders - Wikipedia
WEBThis article contains a list of all of the classes and orders that are located in the Phylum Chordata . Subphylum Cephalochordata. Class Leptocardii: Lancelets. Lancelet Branchiostoma lanceolatum. Order Amphioxiformes. Family Pikaiidae †. Genus Pikaia †. Olfactores (unranked)
28.5C: Phylum Chordata - Biology LibreTexts
WEBOct 31, 2023 · The phylum Chordata contains all of the animals that have a rod-like structure used to give them support. In most cases this is the spine or backbone. Within Chordata there are five classes of animals: fish, amphibians, reptiles, birds, and mammals. Three dividing factors separate these classes:
Chordate - Evolution, Paleontology, Anatomy | Britannica
WEBAn extensive vertebrate fossil record begins about 400 million years ago. Embryological evidence places the phylum Chordata within the deuterostomes (bilaterally symmetrical animals with undeterminate cleavage and whose mouth does not arise from the blastopore), which also includes the phyla Hemichordata, Echinodermata, and Chaetognatha.
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