Prostomium broadly rounded anteriorly, prolonged posteriorly as a keel, eyes 0-2 pairs, no occipital tentacle. ... [details]
Prostomium anteriorly rounded, without posterior keel, lacking eyes and occipital tentacle. Peristomium ... [details]
North and South Atlantic Ocean, both east and west: off NW USA; Bermuda; Tongue of the Ocean Trough; off Surinam; ... [details]
The name of the genus is composed by the Latin noun aurum, meaning 'gold', and the name of the genus Spio ... [details]
The specific epithet dibranchiata is composed by the Greek prefix di-, meaning 'two', and the New Latin adjective ... [details]
Southwest Atlantic Ocean, Argentine Basin (36º12.7'S, 52º42.7'W), 2041-2048 m. [details]