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There is a page named "Pikaia gracilens" on Wikipedia
- Pikaia gracilens is an extinct, primitive chordate animal known from the Middle Cambrian Burgess Shale of British Columbia. Described in 1911 by Charles...50 KB (5,780 words) - 00:23, 14 August 2024
- Cambrian chordates (section Pikaia gracilens)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) - 21:04, 11 July 2024
- PMID 16754615. Conway Morris, Simon; Caron, Jean-Bernard (2012). "Pikaia gracilens Walcott, a stem-group chordate from the Middle Cambrian of British...6 KB (600 words) - 00:18, 14 August 2024
- neurocranium for elevation during suction feeding. Published information on Pikaia gracilens (a well-known Cambrian era fossil) explains evolution of swimming ability...11 KB (1,400 words) - 01:16, 7 January 2024
- PMID 16754615. Conway Morris, Simon; Caron, Jean-Bernard (2012). "Pikaia gracilens Walcott, a stem-group chordate from the Middle Cambrian of British...8 KB (772 words) - 23:40, 24 June 2024
- 1146/annurev.es.10.110179.001551. JSTOR 2096795. Morris SC, Caron JB (2012). "Pikaia gracilens Walcott, a stem-group chordate from the Middle Cambrian of British...120 KB (6,285 words) - 23:55, 22 August 2024
- found, although likely candidates include the Burgess Shale animal, Pikaia gracilens, and its Maotianshan shales relatives, Myllokunmingia, Yunnanozoon...245 KB (27,673 words) - 23:43, 26 August 2024
- Pikaia gracilens trying to escape a brine seep at the bottom of the Cathedral Escarpment...40 KB (4,584 words) - 02:50, 23 June 2024
- body. One genus, Pikaia. PIKAIA, new genus The description of the genus and species is united under the species. Genotype.—Pikaia gracilens, new species.