Wikimedi'Òc

Mitchell & Pates 2025 f01.png - Qohelet12

Pikaia Smithsonian.JPG - File Upload Bot (Magnus Manske)

Pikaia gracilens.jpg - Ghedoghedo

Walcott Cambrian Geology and Paleontology II plate 20.jpg - Enomil

Pikaia Burgess Muséum Grenoble 03082017.jpg - Vassil

USNM PAL 57628 Pikaia gracilens.jpg - Qohelet12

NMNH-USNMPAL57628 1.jpg - Qohelet12

NMNH-USNMPAL57628Pikaia.jpg - Qohelet12

NMNH-USNMPAL57628Pikaia2.jpg - Qohelet12

Pikaia - fossil.jpg - Navaho

USNM PAL 83940B Pikaia.jpg - Qohelet12

NMNH-USNMPAL202217 1.jpg - Qohelet12

Schematic reconstruction of the anterior region of Pikaia.png - Ta-tea-two-te-to

Representative stem-group chordates and comparisons with Pikaia.png - Ta-tea-two-te-to