A chordate (/ˈkɔːrdeɪt/ KOR-dayt) is a deuterostomic animal belonging to the phylum Chordata (/kɔːrˈdeɪtə/ kor-DAY-tə). All chordates possess, at some... 50 KB (4,717 words) - 21:58, 25 March 2024 |
The Cambrian chordates are an extinct group of animals belonging to the phylum Chordata that lived during the Cambrian, between 538 and 485 million years... 24 KB (2,720 words) - 21:27, 10 March 2024 |
cord of chordates. Except for the echinoderms, both the hemichordates and the chordates have a thickening of the aorta, homologous to the chordate heart... 33 KB (3,162 words) - 03:36, 27 March 2024 |
This article contains a list of all of the classes and orders that are located in the Phylum Chordata. Order Amphioxiformes Genus Pikaia † Order Enterogona... 14 KB (945 words) - 20:28, 8 April 2023 |
Lamprey (section Lamprey and chordate synapomorphies) their development are considered to be chordates. Lampreys contain these characteristics that define them as chordates. Lamprey anatomy is very different... 82 KB (8,663 words) - 22:23, 23 March 2024 |
Chordate genomics is the study of the evolution of the chordate clade based on a comparison of the genomes of several species within the clade. The field... 3 KB (464 words) - 14:57, 14 February 2018 |
Pikaia (category Prehistoric chordate genera) Morris as a chordate, it became "the most famous early chordate fossil", or "famously known as the earliest described Cambrian chordate". It is estimated... 48 KB (5,647 words) - 21:18, 10 March 2024 |
feeding chordates in the subphylum Cephalochordata, class Leptocardii, and family Branchiostomatidae. Lancelets diverged from other chordates during or... 62 KB (6,294 words) - 04:27, 25 March 2024 |
current vogue. "Cambrian Primitive Chordate Fossil". www.fossilmuseum.net. Retrieved 29 May 2018. "Duffy: Chordate Origins". www.biology.ualberta.ca.... 2 KB (175 words) - 21:51, 10 March 2024 |
conserfariam) Socorro isopod (Thermosphaeroma thermophilum) There are 21 chordate species assessed as extinct in the wild. Wyoming toad (Anaxyrus baxteri)... 4 KB (291 words) - 21:10, 21 January 2024 |
Haikouichthys (category Cambrian chordates) fishes. Cladistic analysis indicates that the animal is probably a basal chordate or a basal craniate; but it does not possess sufficient features to be... 6 KB (559 words) - 21:37, 10 March 2024 |
Cathaymyrus (category Cambrian chordates) Cathaymyrus is a genus of Early Cambrian chordate known from the Chengjiang biota in Yunnan Province, China. Both species have a long segmented body with... 3 KB (241 words) - 16:41, 14 March 2024 |
Notochord (category Chordates) notochord is one of five synapomorphies used to define a species as a chordate. The notochord is derived from the embryonic mesoderm and consists of an... 20 KB (2,255 words) - 18:19, 22 February 2024 |
Craniate (category Chordates) member of the Craniata (sometimes called the Craniota), a proposed clade of chordate animals with a skull of hard bone or cartilage. Living representatives... 17 KB (1,576 words) - 00:33, 19 March 2024 |
Yunnanozoon (category Cambrian chordates) with various studies suggesting placements as a cephalochordate, a stem-chordate, a hemichordate, a stem-vertebrate, a stem-deuterostome, an ambulacrarian... 7 KB (712 words) - 17:15, 13 February 2024 |
Metaspriggina (category Cambrian chordates) Metaspriggina is a genus of chordate initially known from two specimens in the Middle Cambrian Burgess Shale and 44 specimens found in 2012 at the Marble... 10 KB (956 words) - 02:07, 8 September 2023 |
The largest animal currently alive is the blue whale. The maximum recorded weight was 190 tonnes for a specimen measuring 27.6 metres (91 ft), whereas... 154 KB (15,524 words) - 17:51, 26 March 2024 |
indicating that the sea urchin belongs to the Bilateria, along with chordates, arthropods, annelids and molluscs. Sea urchins are found in every ocean... 74 KB (7,726 words) - 15:59, 16 March 2024 |
pouch formed from the upper and left angle of the right ventricle in the chordate heart, from which the pulmonary trunk arises. It develops from the bulbus... 1 KB (147 words) - 04:04, 22 March 2024 |
Olfactores (category Chordates) majority of the phylum Chordata, as the Cephalochordata are the only chordates not included in the clade. This clade is defined by a more advanced olfactory... 5 KB (440 words) - 15:45, 25 October 2023 |
a fused proboscis tipped with a claw-like appendage. Pikaia was a stem-chordate from the Middle Cambrian Protichnites were the trackways of arthropods... 56 KB (5,536 words) - 11:31, 16 March 2024 |