No original data labels with specimen. Early 20th century label has: "Nephthys n.sp.? Argentina: Off Belem Head, 25 fms.", along with the above lat. & long. & `Hassler" Exp. The same data is on the file card in the "Old Worm Catalogue". Specimen found dry, 17.i.2003, placed in aerosol OT, then in 80% ethanol in graduated steps.