Pikaia gracilens is an extinct, primitive chordate animal known from the Middle Cambrian Burgess Shale of British Columbia. Described in 1911 by Charles...

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...

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...

and Myllokunmingia, also from the Chengjiang fauna, are regarded as fish. Pikaia, discovered much earlier (1911) but from the Mid Cambrian Burgess Shale...

and Myllokunmingia, also from the Chengjiang fauna, are regarded as fish. Pikaia, discovered much earlier but from the Mid Cambrian Burgess Shale, is also...

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...

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...

Evolution of fish Fish Timeline of fish evolution Forerunners Basal member †Pikaia Cephalochordate †Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae...

stem-chordates, lying outside a clade formed by Yunnanozoon, Cathaymyrus, Pikaia and crown-chordates. The monophyly of Deuterostomia is not strongly evidenced...

similar morphology Ostracoderm Arandaspis Other basal Cambrian chordates: Pikaia – Cambrian chordate Myllokunmingia – close relative Zhongjianichthys – eel-like...

openings on the side of the body being used to expel water. Metaspriggina Pikaia Xianguang, Hou; RamsköLd, Lars; BergströM, Jan (October 1991). "Composition...

be invertebrate forerunners of the true vertebrates — proto-chordates. Pikaia has been heavily promoted as the oldest fossil protochordate." Richard Dawkins...

the ancestor of the fishes, or was probably closely related to it, was Pikaia. It had a primitive notochord, a structure that could have developed into...

1144/jgs2017-103. ISSN 0016-7649. S2CID 135091168. Shu, DG., Morris, S. & Zhang, XL. A Pikaia-like chordate from the Lower Cambrian of China. Nature 384, 157–158 (1996)...

Evolution of fish Fish Timeline of fish evolution Forerunners Basal member †Pikaia Cephalochordate †Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae...

(2015) Ghost in the Shell: Arise (2015) Attack on Titan: Junior High (2015) Pikaia! (2015) Ghost in the Shell Arise – Alternative Architecture (2015) Joker...

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...

now viewed as analogous, convergent, or from a different lineal origin. Pikaia appears to have a proto-notochord, and notochords are present in several...

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...

neurocranium for elevation during suction feeding. Published information on Pikaia gracilens (a well-known Cambrian era fossil) explains evolution of swimming...

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...

Evolution of fish Fish Timeline of fish evolution Forerunners Basal member †Pikaia Cephalochordate †Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae...

anglais), dinosaurs and other ancient creatures such as Hallucigenia and Pikaia, and subjects from fantasy and games (Hero, Mi-Go, Buer), many of which...

Evolution of fish Fish Timeline of fish evolution Forerunners Basal member †Pikaia Cephalochordate †Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae...

Retrieved 2023-07-07. Tom McNamara (2020-01-18). "Galapagos Evolved: Land-based Pikaia Lodge embraces green living". Vancouver Sun. Pinnacle Rock, Galapagos. Retrieved...

chordates have been suggested to be closely related to lancelets, including Pikaia and Cathaymyrus from the Cambrian and Palaeobranchiostoma from the Permian...

Concrete Revolutio as Schoolgirl (ep 9) 2015, Pikaia! as Mii 2016, My Hero Academia as Schoolgirl (ep 3) 2017, Pikaia!! as Mii 2017, Elegant Yokai Apartment...

PMC 1578734. PMID 16754615. Conway Morris, Simon; Caron, Jean-Bernard (2012). "Pikaia gracilens Walcott, a stem-group chordate from the Middle Cambrian of British...

Evolution of fish Fish Timeline of fish evolution Forerunners Basal member †Pikaia Cephalochordate †Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae...

Evolution of fish Fish Timeline of fish evolution Forerunners Basal member †Pikaia Cephalochordate †Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae...