Sphaerodoridae (Annelida) of the deep Northwestern Atlantic, including remarkable new species of Euritmia and Sphaerephesia Author Capa, Maria Author Osborn, Karen J. Author Bakken, Torkild text ZooKeys 2016 615 1 32 http://dx.doi.org/10.3897/zookeys.615.9530 journal article http://dx.doi.org/10.3897/zookeys.615.9530 1313-2970-615-1 3C47DE97A10E4688A92A29F7F6155B72 Taxon classification Animalia Phyllodocida Sphaerodoridae Sphaerodoropsis Hartman & Fauchald, 1971 Sphaerodoropsis Hartman & Fauchald, 1971: 69; Fauchald 1974 : 69. Type species. Sphaerodorum sphaerulifer Moore, 1909. Diagnosis. Body generally short and ovoid, some forms slender. Four or more longitudinal rows of macrotubercles, in one or several transverse rows per segment. Macrotubercles sessile and smooth, without terminal papillae. Microtubercles absent. Papillae over body surface and parapodia. Prostomial and peristomial appendages short, spherical or digitiform. Parapodia with compound chaetae; hooks absent.