Ads
related to: the chordate family tree chart for kids
Search results
Results from the WOW.Com Content Network
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
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 .
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.
But experts were uncertain about where exactly Pikaia belonged on the chordate family tree. With the description of a dorsal nerve cord, Pikaia can now be considered part of the foundational ...
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 ago.The first Cambrian chordate known is Pikaia gracilens, a lancelet-like animal from the Burgess Shale in British Columbia, Canada.
Prehistoric chordate families (1 C, 6 P) T. Tunicate families (1 C, 25 P) V. Vertebrate families (7 C) Pages in category "Chordate families"
Chordate stubs (2 C, 10 P) Pages in category "Chordates" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
Ads
related to: the chordate family tree chart for kids