Diaphana hiemalis Couthouy 1839

• Main Authors: Ohnheiser, Lena Tina, Malaquias, Manuel António E.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Cephalaspidea; Diaphanidae; Diaphana; Diaphana hiemalis; Lofoten; Norway; Bergen; Vadsø; Sneli; Iceland
• Online Access: https://zenodo.org/record/6128200; https://doi.org/10.5281/zenodo.6128200

Diaphana hiemalis (Couthouy, 1839) (Figs 3 A–F, 4 A–C) Bulla hiemalis Couthouy 1839: 180, 181, pl. 4 fig. 5. Diaphana hiemalis — G. O. Sars 1878: 291, tab. 18, fig. 3. Schiøtte 1998: 118, figs 16 D, 19 C–D, 23. Høisaeter et al. 2001: 250. Sneli et al. 2005: 96. Kantor & Sysoev 2006: 250, pl. 124 fig. F. Høisaeter 2009: 78. Chaban & Chernyshev 2013: 159, figs 3 A–J, 5 A. Diaphana globosa - G. O. Sars 1878: 290, pl. 18 figs 3 c, 4, pl. XI, fig. 12. Pilsbry 1893: 286, pl. 26 fig. 75. Thompson 1988: 29. Diaphana minuta — Lemche 1948, in part. Diaphana tibai Habe 1976: 152, pl. 1 fig. 11 (based on Schiøtte 1998). Diagnosis. Shell external, whitish transparent, smooth, apex involute. Body white. Foot posteriorly bifurcated, cephalic shield with tentacular lobes. Rachidian tooth denticulate, not asymmetrical, lateral teeth with minute denticulation, teeth on left side smaller than on the right. Type locality. Massachusetts Bay, inside cod stomachs from off Provincetown, Cape Cod, USA. Material examined. Vadsø, Norway, 1 spc (dissected), ZMBN 82156, H = 6.4 mm. Ålesund, Norway, 1 spc (dissected), ZMBN 82160, H =?. Fensfjorden, 60 ° 48 ’03’’ N, 0 5 °05’ 48 ’’ E, Norway, 1 spc (dissected), ZMBN 82171, H = 2.0 mm. Fensfjorden, 60 ° 40 ’ 45 ’’ N, 0 5 ° 26 ’ 45 ’’ E, Norway, ZMBN 82167, H = 2.7 mm. Fensfjorden, 60 ° 49 ’ 54 ’’ N, 0 5 °03’ 15 ’’ E, Norway, 1 spc (dissected), ZMBN 82175, H = 2.1 mm. Raunefjorden, Norway, 1 spc (dissected), ZMBN 62056, H = 3.5 mm. Bergen, Norway, 1 sh, ZMBN 28711, H = 2.5 mm. Lofoten, Norway, 1 sh, ZMBN 68048, H = 2.4 mm. 60 °08' 27.6 ’’ N 06° 16 ' 22.8 ’’ E, Mauranger Nordrepollen, Norway, 1 spc (dissected), ZMBN 90609, H = 3.8 mm. 67 ° 39 ' 30 ’’ N, 11 ° 36 ' 42 ’’ W, NE off Iceland, 1 spc, ZMBN 85951, H = 4.11 mm. Shell (Fig. 3 C–F): Maximum H = 6.4 mm. External, thin; transparent; globose in shape, aperture wide with thin parietal callus, apex involute, umbilicated; shell surface smooth, faint spiral lines visible. Animal (Fig. 3 A, B): Body white. Foot posteriorly bifurcated, ...