Turbo obscurusCouthouy, 1838, p. 100-101, pl. 3, fig. 12 [Basis of the current name] Type Locality: Between Marblehead and Nahant, Massachusetts Bay (ex pisces) Range: 75.97°N to 37°N; 125°W to 0°W Depth: 5 to 878 m (live 13 to 70 m) Maximum Reported Size: 8.9 mm Distribution: Greenland: West Greenland, East Greenland; Canada: Labrador; USA: Maine, Massachusetts, Connecticut; Eastern Atlantic: Iceland References: Couthouy (1838) M; Procter (1933) l; Thorson (1944) N; Clarke (1954a); Macpherson (1971) L{N}EW; Clarke (1974) D Comments: Warén (1993: 166) noted 'Specimens from soft sediments and deep water have weaker sculpture.' Combining Genera: Machaeroplax Margarita
Margarita bellaVerkrüzen, 1875b, p. 236-237 [Synonym] Type Locality: Hammerfest, Norway, 30-36 fathoms Range: 44.7°N to 42°N; 65.8°W to 0°W Depth: 18 to 165 m (live 165 m) References: Verkrüzen (1875b) E; Verkrüzen (1878) NW; Verrill (1880) DLl; Verrill (1882a) d; C. W. Johnson (1934) S; Warén (1993) s; Alexeyev (2003) Combining Genera: Machaeroplax
Machaeroplax obscura var. carinataA. E. Verrill, 1882a, p. 532, [Johnson 1989, pl. 15, fig. 2] [Synonym] Type Locality: [USFC sta. 997, by lectotype designation of Johnson (1989)] Range: 39.97°N to 39.7°N; 71.53°W to 69.37°W Depth: 267 to 613 m Maximum Reported Size: 6 mm References: Verrill (1882a) DdNSEW; Warén (1993) s
Margarita obscura var. cinereaeformisLeche, 1878, p. 45-46 [Synonym] Type Locality: Novaya Zemlya References: Warén (1993) s
Solariella curinata sic, [Not available] Comments: Error for carinata by Johnson (1934).
Margarita obscura var. intermediaLeche, 1878, p. 45, pl. 2, fig. 25 [Synonym] Type Locality: Several localities on Novaya Zemlya References: Warén (1993) s
Solariella laevis Friele, 1886, [Synonym] Range: 78°N to 60°N; 73°W Depth: 73 m Maximum Reported Size: 4.5 mm References: F. C. Baker (1919) DdNSW; Warén (1993) s
Solariella lewisae Willett, 1946, [Synonym] References: Baxter (1987) s
Machaeroplax obscura var. planulaA. E. Verrill, 1882a, p. 531-532, [Johnson 1989, pl. 17, fig. 6] [Synonym] Type Locality: [Off Block Island, Rhode Island, by type designation of Johnson (1989)] Range: 40°N ; 71.5°W Depth: 27 to 55 m Maximum Reported Size: 7 mm Distribution: USA: Off New Jersey References: Verrill (1882a) Dd; Warén (1993) s
Partial List of References
Couthouy, J. P. 1838. Descriptions of new species of Mollusca and shells, and remarks on several polypi found in Massachusetts Bay Boston Journal of Natural History 2 53-111, pls. 1-3. [Stated date: -- Feb 1838.] Leche, W. 1878. Öfversigt öfver de af Svenska Expeditionerna till Novaja Semlja och Jenissej 1875 och 1876 Insamlade: Hafs-Mollusker Kongliga Svenska Vetenskaps-Akademiens Handlingar (2)16(2) 1-86, pls. 1-2. [Stated date: 12 Mar 1878.] Verkrüzen, T. A. 1875. Bericht über einen Schabe-Ausflug im Sommer 1874 Jahrbücher der Deutschen Malakozoologischen Gesellschaft 2 229-240, pl. 8. Verrill, A. E. 1882. Catalogue of marine Mollusca added to the fauna of the New England region, during the past ten years Transactions of the Connecticut Academy of Arts and Sciences 5 451-587, pls. 42-44, 57-58.
