Definition of Pikaia. Meaning of Pikaia. Synonyms of Pikaia

- Pikaia gracilens is an extinct, primitive chordate marine animal known from the Middle Cambrian Burgess Shale of British Columbia. Described in 1911 by...
- Pikaia! (ピカイア!) is a ****anese educational anime series produced by NHK Educational. The first season started airing on April 29, 2015 for 13 episodes before...
- and Myllokunmingia, also from the Chengjiang fauna, are regarded as fish. Pikaia, discovered much earlier (1911) but from the Mid Cambrian Burgess Shale...
- stem-vertebrates. A 2024 study motivated by a reinterpretation of the fossil Pikaia placed Yunnanozoon as a transitional stem-chordate form between a paraphyletic...
- gnathostomatans a little more confusing, as it was roughly contemporary with Pikaia. As Pikaia did not have gill bars, unlike Branchiostoma, there are two possible...
- 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...
- Evolution of fish Fish Timeline of fish evolution Forerunners Basal member †Pikaia Cephalochordate †Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae...
- Although some paleontologists regarded it as an early chordate allied with Pikaia et al., Conway Morris suggested in 1993 that it might be a Cambrian descendant...
- chordates have been suggested to be closely related to lancelets, including Pikaia and Cathaymyrus from the Cambrian and Palaeobranchiostoma from the Permian...
- from the Chengjiang biota, are the earliest body fossils of fish, whereas Pikaia, discovered much earlier but from the Mid Cambrian Burgess Shale, is now...