Extended Data Fig. 7: Saccorhytus coronarius.
From: Saccorhytus is an early ecdysozoan and not the earliest deuterostome
a–c, UMCU2016008, same specimen as in Fig. 3f, with three large protuberances; a, detail of fourth, fifth, and sixth left body cones in central upper of Fig. 3f; b, right view; c, detail of fifth and sixth right body cones in upper left of b; d, UMCU2019020, a fragment with five large protuberances, dorsal anterior view (assuming an anterior mouth and dorsal large protuberances); e, h, UMCU2020025; e, left view; h, detail of fourth and fifth left body cones, exhibiting round conical bases with longitudinal folds; f, g, UMCU2018015, with two large protuberances; f, apertural or anterior view; g, abapertural or posterior view. Scale bar: 60 μm (a), 200 μm (b, d–g), 50 μm (c, h). See Fig. 1 for abbreviations.
