Original wording in Thomson (1872, p. 496): "A single specimen of this very remarkable form was dredged in 610 ... [details]
correct authoritiy is "Thomson, 1873" since Thomson (1872, p. 496) did not include a description for the new taxon, ... [details]
Correct authoritiy is "Thomson, 1873" since Thomson (1872, p. 496) did not include a description for the new taxon, ... [details]
Plates overlapping slightly and forming a continuous shell, the corona coming to a sharp edge at the periphery, and ... [details]
Considered as nomen nudum herein since Thomson (1872, p. 496) did not include a description for the new taxon, ... [details]
"500-600 fathoms off the Butt of the Lews" (Thomson 1872, p. 493) = Northern Atlantic Ocean off Butt of Lewis ... [details]