English: Figure 6. Preservation of internal structures in Opabinia regalis from the Wuliuan Burgess Shale. (a) USNM 155600, complete individual preserved in lateral view. Arrowheads point to lateral triangular extensions that most likely correspond to the lobopodous ventral limbs [62,63]. (b) USNM 205258, complete individual preserved in dorsal view. bl, body lobes; ey, stalked eye; fa, frontal appendage; g, gut tract; set, setae; tl, tail lobes.
Uploaded a work by Javier Ortega-Hernández, Rudy Lerosey-Aubril and Stephen Pates from https://royalsocietypublishing.org/doi/10.1098/rspb.2019.2370 with UploadWizard