Pikaia gracilens is an extinct, primitive chordate animal known from the Middle Cambrian Burgess Shale of British Columbia. Described in 1911 by Charles... 48 KB (5,647 words) - 02:00, 27 April 2024 |
Pikaia! (ピカイア!) is a Japanese educational anime series produced by NHK Educational. The first season started airing on April 29, 2015 for 13 episodes before... 3 KB (171 words) - 18:48, 26 January 2022 |
Cambrian chordates (section Pikaia gracilens) 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... 24 KB (2,720 words) - 21:27, 10 March 2024 |
and Myllokunmingia, also from the Chengjiang fauna, are regarded as fish. Pikaia, discovered much earlier (1911) but from the Mid Cambrian Burgess Shale... 51 KB (4,719 words) - 06:08, 14 April 2024 |
stalked eyes, and a fused proboscis tipped with a claw-like appendage. Pikaia was a stem-chordate from the Middle Cambrian Protichnites were the trackways... 56 KB (5,536 words) - 12:31, 6 April 2024 |
neurocranium for elevation during suction feeding. Published information on Pikaia gracilens (a well-known Cambrian era fossil) explains evolution of swimming... 11 KB (1,400 words) - 01:16, 7 January 2024 |
Africa. It is known from a single, 11 mm long specimen found in black shale. Pikaia Cathaymyrus Oelofsen, B. W., and J. C. Loock. "A FOSSIL CEPHALOCHORDATE... 1 KB (75 words) - 15:19, 2 April 2023 |
openings on the side of the body being used to expel water. Metaspriggina Pikaia Xianguang, Hou; RamsköLd, Lars; BergströM, Jan (October 1991). "Composition... 7 KB (712 words) - 08:14, 4 April 2024 |
Archived from the original on April 30, 2023. Retrieved April 30, 2023. Pikaia! seasons: Season 1: ピカイア![シリーズ]. Media Arts Database (in Japanese). Agency... 151 KB (8,974 words) - 08:53, 5 April 2024 |
Although some paleontologists regard it as an early chordate allied with Pikaia et al., Conway Morris suggested in 1993 that it might be a Cambrian descendant... 2 KB (175 words) - 21:51, 10 March 2024 |
(2015) Ghost in the Shell: Arise (2015) Attack on Titan: Junior High (2015) Pikaia! (2015) Ghost in the Shell Arise – Alternative Architecture (2015) Joker... 34 KB (3,906 words) - 07:16, 31 March 2024 |
anglais), dinosaurs and other ancient creatures such as Hallucigenia and Pikaia, and subjects from fantasy and games (Hero, Mi-Go, Buer), many of which... 18 KB (1,906 words) - 18:01, 15 April 2024 |
now viewed as analogous, convergent, or from a different lineal origin. Pikaia appears to have a proto-notochord, and notochords are present in several... 21 KB (2,357 words) - 12:59, 30 April 2024 |
to be invertebrate forerunners of the true vertebrates — protochordates. Pikaia has been heavily promoted as the oldest fossil protochordate." Morris SC... 119 KB (6,252 words) - 16:38, 25 April 2024 |