Pikaia
Pikaia Pikaia Pikaia is an extinct animal known from the ... in 1979, Paleontologist Simon Conway Morris placed Pikaia gracilens in the chordates, making it perhaps ... vertebrates. Averaging about 40 mm in length, Pikaia swam above the seafloor using its ...
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Pikaia   (translated from German)
Pikaia Pikaia Living person reconstruction of Pikaia gracilens Period Mittelkambrium 525 Million. Years Fossil ... Kieferlose (Agnatha) Head lots (Cephalochordata) Scientific name Pikaia Walcott, 1911 Kinds Pikaia gracilens Pikaia gracilens a become extinct ...
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Talk:Pikaia
Talk:Pikaia I added two external links showing clearer images of Pikaia. —The preceding unsigned comment was added by ...
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User:Mateuszica/timelineour
... link between vertebrates and invertebrates. 500 MYA Pikaia The earliest known ancestor of the chordates is Pikaia.It the first known animal with a notochord.Pikaia is believed to be the ancestor of ... characteristics of the primitive chordates. It resembles Pikaia Other earliest known chordate-like fossils is ...
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User:Mateuszica/timelineclean
... MYA - Lancelet The first chordates as Lancelet, pikaia . Probably the earliest known ancestor of the chordates is Pikaia. Pikaia is the first known animal with a ... which shows a beautifully preserved fossil of Pikaia and its reconstruction. (Long's book is ...
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User:Mateuszica/timeline4
... Lancelet picture The first chordates as Lancelet, pikaia . Probably the earliest known ancestor of the chordates is Pikaia. Pikaia is the first known animal with a ... which shows a beautifully preserved fossil of Pikaia and its reconstruction. (Long's book is ...
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Timeline of human evolution
... link between vertebrates and invertebrates. 500 MYA Pikaia The earliest known ancestor of the chordates is Pikaia.It the first known animal with a notochord.Pikaia is believed to be the ancestor of ... characteristics of the primitive chordates. It resembles Pikaia Other earliest known chordate-like fossils is ...
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Line of the Time of the Evolucao   (translated from Portuguese)
... link between vertebrates and invertebrates. 500 MYA Pikaia Ancestor The earliest known of the chordates is Pikaia.It the first known animal with notochord.Pikaia is believed you be the ancestor of ... characteristics of the primitive chordates. It resembles Pikaia Other earliest known chordate-like fossils is ...
http://pt.wikipedia.org/wiki/Linha_do_Tempo_da_Evolucao - 40k - Cached (Portuguese) - Wikipedia (Portuguese) - Similar pages

Average Cambrien   (translated from French)
... the inarticulate ones and articulated. Microdictyo : Chordés Pikaia [ 16 ] : Céphalochordé which had the aspect of ... lower cambrien. The amphioxus, currently living, resembles Pikaia. Molluscs : Hyalithes : Halkiera : Echinodermata. Gogia : Helicoplacus : Eldonia ...
http://fr.wikipedia.org/wiki/Cambrien_moyen - 42k - Cached (French) - Wikipedia (French) - Similar pages

Cambrian period   (translated from Greek)
... Anabarites, Lapworthella, Anomalocaris, the first known hordwto' (Pikaia gracilens), ancestor of fishes. [Treatment] Bibliography Periscope ...
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