B2017-21-Forsyth:Basteria-2015 11/22/2017 9:02 PM Page 123 On the anatomy of Novisuccinea strigata (L. Pfeiffer, 1855) (Gastropoda, Stylommatophora , Succineidae) from British Columbia, Canada Robert G. Forsyth Research Associate, Royal British Columbia Museum, 675 Belleville Street, Victoria, British Columbia, Canada V8W 9W2;
[email protected] 123 the reproductive system be examined, but for a num - Novisuccinea strigata (L. Pfeiffer, 1855) is an arctic - ber of North American nominal species, anatomical boreal terrestrial mollusc that is both amphiberingian characters remain unknown or poorly described. and occurring across a large area of northwestern Novisuccinea strigata (L. Pfeiffer, 1854) is an arctic - Canada, including northern British Columbia, Yukon, boreal terrestrial snail that occupies a wide variety of and the Northwest Territories . The shell, jaw, and re - mesic to xeric habitats including grassy slopes, coastal productive anatomy is described from specimens col - tundra, and coniferous, mixed-wood or regenerative lected near the Hyland River, on the Liard Plain for forests (Dall , 1905; Kalas , 1981; Forsyth , 2005). It has a northern British Columbia. Reproductive anatomy, broad range that extends from eastern Siberia across and most notably the twisting of the free oviduct the Bering Strait through Alaska and northern Canada around the duct of the bursa copulatrix, indicates that (Dall , 1905; Pilsbry , 1948; Likharev & Rammel’meier , this species properly belongs to the genus Novisuccinea 1962). In Canada, this species is known to occur in as redefined by some American workers. northern British Columbia (Forsyth , 2005), the Yukon Territory (Dall , 1905; Pilsbry , 1948; La Rocque , 1953) Key words: morphology , reproductive anatomy , dissection, and the Northwest Territories (Dall , 1905; Pilsbry , amphiberingian species, Canada .