pikaia wikipedia - EAS
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See all on Wikipediahttps://en.wikipedia.org/wiki/PikaiaPikaia gracilens is an extinct, primitive chordate animal known from the Middle Cambrian Burgess Shale of British Columbia. Described in 1911 by Charles Doolittle Walcott as an annelid, and in 1979 by Harry B. Whittington and Simon Conway Morris as a chordate, it became the "most famous early … See more
The fossils of Pikaia gracilens was discovered by Charles Walcott from the Burgess shale member of the Stephen formation in British Columbia, and described it in 1911. He named it after Pika Peak, … See more
Pikaia has a lancelet-like body, tapering at both ends, laterally flat and lacked a well-defined head. It measures an average of about 1+1⁄2 inches … See more
• Bishop, A., Woolley, A. and Hamilton, W. (1999) Minerals, Rocks and Fossils. London: Phillip's
• Conway Morris, Simon. 1998. The Crucible … See more
Much debate on whether Pikaia is a vertebrate ancestor, its worm-like appearance notwithstanding, exists in scientific circles. It looks like a worm that has been flattened sideways (lateral compression). The fossils compressed within the Burgess … See more
• "Pikaia gracilens". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011.
• La evolución de las especies: ¿por qué sobrevivió Pikaia? (Spanish) See moreWikipedia text under CC-BY-SA license- https://en.wikipedia.org/wiki/Pikaia!
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 ending on July 30, 2015. It is renewed with a second season in February 2017.
Wikipedia · Text under CC-BY-SA license- Original network: NHK
- Episodes: 13
- Directed by: Daiki Tomiyasu
- Genre: Drama, Slice of Life
- See More
- https://es.wikipedia.org/wiki/PikaiaSee more on es.wikipedia.orgPikaia es un animal conocido a partir de los fósiles del Cámbrico Medio, encontrado cerca del monte Pika (del cual proviene su nombre) en un yacimiento de fósiles invertebrados que datan aproximadamente de 505 millones de años llamado Burgess Shale en la Columbia Británica. Fue descub…
- Filo: Chordata
- Subfilo: Cephalochordata
- Reino: Animalia
- Familia: Pikaiidae
- https://de.wikipedia.org/wiki/Pikaia
- Die fossilen Reste der einzigen bislang bekannten Art P. gracilens stammen aus den etwa 508 Millionen Jahre alten mittelkambrischen Schichten des Burgess-Schiefers, einer weltbekannten Fossillagerstätte in den kanadischen Rocky Mountains. Fast alle Funde gehen auf eine Lage von wenigen Metern Mächtigkeit zurück, die auch andere Fossilien sehr gu…
- Estimated Reading Time: 6 mins
- https://simple.wikipedia.org/wiki/Pikaia
WebPikaia gracilens is regarded as the earliest known primitive chordate from the Middle fossil found near Mount Pika in the Burgess Shale. It was discovered by . Walcott classified it …
- Kingdom: Animalia
- Subphylum: Cephalochordata
- Phylum: Chordata
- Genus: Pikaia
- https://fr.wikipedia.org/wiki/Pikaia
WebPikaia (vue d'artiste). Super-embr. Pikaia gracilens, unique représentant du genre Pikaia, est une espèce éteinte de chordés très primitif du clade des Olfactores qui avait l'aspect …
- https://fi.wikipedia.org/wiki/Pikaia
WebKeltainen eläin on Pikaia. Fossiililöytöjen perusteella Pikaia oli litteä (sivuilta litistetty) ja alkeellinen selkäjänteinen eläin, joka kasvoi noin 3,5 senttimetriä pitkäksi. Se ui …
- https://pt.wikipedia.org/wiki/Pikaia
WebPikaia gracilens. Pikaia é um animal extinto, do período Cambriano, considerado pela imensa maioria dos biólogos como o ancestral comum de todos os vertebrados. [ 1] Os …
- https://hr.wikipedia.org/wiki/Pikaia
WebPikaia gracilens je izumrla životinja nalik na modernu kopljaču. Živjela je u plićacima mora u razdoblju srednjeg kambrija , prije otprilike 505 milijuna godina. Pronađeno je preko 100 …
- https://commons.wikimedia.org/wiki/Category:Pikaia
WebDec 19, 2019 · Pikaia genus of chordates (fossil) Upload media Wikipedia Wikispecies Instance of fossil taxon Subcategories This category has the following 3 subcategories, …
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