World Polychaeta Database (WPolyDb). ['Ueber' of title is spelled as printed in journal & should not be corrected to 'Über'. Hartman (1951) bibliography included "Branchiomma dalyelli" as if in the title but this is not correct. (Possibly it was just as a note to herself but later users have assumed (without checking) that the species name was part of Kölliker's title)]