Turbo planorbisFabricius, 1780, p. 394-395 [Basis of the current name] Type Locality: Siuterursak, Greenland Range: 69.23°N to 27°N; 82°W to 0°W Depth: 0 to 70 m (live 0 m) Maximum Reported Size: 2 mm Distribution: Greenland: West Greenland; Canada: Nova Scotia; USA: Maine, Massachusetts, Rhode Island, Connecticut, New Jersey, North Carolina, Florida: East Florida, West Florida References: Fabricius (1780) M; Stimpson (1851c); Posselt & Jensen (1899) N; Procter (1933) Ll; Fretter & Graham (1978) DdE; Maury (1922) SW Combining Genera: Skenea
Helix depressaMontagu, 1803, p. 439-440, pl. 13, fig. 5 [Synonym] Type Locality: Whitsand Bay; Falmouth, Cornwall; Burrow Island, Devonshire Maximum Reported Size: 2 mm References: Montagu (1803) M; Philippi (1853a) s
Skenea planorbisPhilippi, 1853a, p. 10 [Synonym] Type Locality: Massachusetts Distribution: USA: Massachusetts
Skenea planorbis var. hyalinaJeffreys, 1867a, p. 66 [Synonym] Type Locality: Skye and Channel Isles References: Sabelli et al. (1990) s
Skenea planorbis var. maculataJeffreys, 1867a, p. 66 [Synonym] Type Locality: Channel Isles References: Sabelli et al. (1990) s
Delphinula serpuloides auct. non Montagu, 1808, [Not available] Maximum Reported Size: 1.2 mm Distribution: USA: Massachusetts References: Gould (1841) M; Stimpson (1851c) s; Gould (1870) s Comments: Misidentification by Gould (1841). Combining Genera: Skenea
Skenea planorbis var. trochiformisJeffreys, 1867a, p. 66 [Synonym] Type Locality: Shetland, Skye, and Lough Larne References: Sabelli et al. (1990) s
Helix trumbulliLinsley, 1845, p. 280, Not figured [Synonym] Type Locality: Long Island Sound near high-water mark; Stonington, Connecticut Range: 41.3°N ; 71.9°W Depth: 0 m Maximum Reported Size: 2.7 mm Distribution: USA: Connecticut References: Linsley (1845) DdNSEWM; Gould (1848a) s (of S. serpuloides)
Partial List of References
Fabricius, O. 1780. Fauna Greenlandica xvi + 452 pp., 1 pl. Joannis Gottlob Rothe: Hafniae et Lipsiae. Jeffreys, J. G. 1867. British conchology British Conchology 4 [ii] + 486 pp., frontispiece, 8 pls. John Van Voorst: London. Linsley, J. H. 1845. Catalogue of the shells of Connecticut American Journal of Science and Arts 48 271-286. [Stated date: -- Apr 1845.] Montagu, G. 1803. Testacea Britannica [iii] + xxxix + 606 + [4]. J. S. Hollis: Romsey. [True date: post Sept 1.] Philippi, R. A. 1853. Die Gattungen Adeorbis, Skenea, Orbis und Fossarus Systematisches Conchylien-Cabinet (2)2 14 pp., 1 pl.
