SRP408321 PRJNA901211 Sipunculus nudus isolate:ZZ-2022 Genome sequencing and assembly In this study, we presented the first high quality chromosome level assembly of Sipunculus nudus based on the HIFI reads data generated by Pacbio Sequel II sequencing platform and High-resolution chromosome conformation capture (HI-C) strategy. Sipunculus nudus isolate:ZZ-2022 CNGB https://db.cngb.org/search/project/CNP0003624/