BioProject FTP Home Genomic Sequence GFF3 Protein
PRJNA10731 Caenorhabditis briggsae c_briggsae.genomic.fa.gz c_briggsae.annotations.gff3.gz c_briggsae.protein.fa.gz

Links point to the most current assemblies. Additional datasets and older versions are available on the summary page for each species or on the FTP home.