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A chordate (/ ˈ k ɔːr d eɪ t / KOR-dayt) is a deuterostomal bilaterian 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 .
Order Pterocliformes, sandgrouse (this enigmatic group was traditionally treated as a family in any of three different orders: Charadriiformes, Ciconiiformes, and Columbiformes) Order Columbiformes, doves, pigeons and dodos; Order Psittaciformes, parrots and allies; Order Cuculiformes, cuckoos; Order Strigiformes, owls
Mammal images (1 C, 1 P, 14 F) Media in category "Chordate images" The following 15 files are in this category, out of 15 total. Ameiva leucostigma.jpg 510 × 317; 33 KB.
The presumed blood vessel was a dorsal nerve cord, a feature associated with the animal group known as chordates, in the phylum Chordata. Annotated photos show the newly revised organization of ...
Chordate images (2 C, 15 F) Σ. Chordate stubs (2 C, 10 P) Pages in category "Chordates" The following 5 pages are in this category, out of 5 total.
Molecular studies by molecular systematists, based on DNA analysis, in the early 21st century have revealed new relationships among mammal families. Classification systems based on molecular studies reveal three major groups or lineages of placental mammals, Afrotheria, Xenarthra, and Boreoeutheria. which diverged from early common ancestors in the Cretaceous.
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