Diaphana globosa Loven 1846

• Main Authors: Ohnheiser, Lena Tina, Malaquias, Manuel António E.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Cephalaspidea; Diaphanidae; Diaphana; Diaphana globosa; Bodø
• Online Access: https://doi.org/10.5281/zenodo.6128198; http://treatment.plazi.org/id/252DDC3C3526680D7D8BFEBEFC27593C

Diaphana globosa (Lovén, 1846) (Figs 1 A–H, 2 A–D) Amphisphyra expansa Lovén 1846: 143. Diaphana expansa — G. O. Sars 1878: pl. XI fig. 11; Thompson 1988: 28 –29. Diaphana globosa — Schiøtte 1998: 114, figs 21, 22 B. Høisaeter et al . 2001: 250. Sneli et al. 2005: 95. Høisaeter 2009: 78. Diaphana minuta — Lemche 1948, in part. Diagnosis. Shell external, transparent, smooth. Body whitish translucent with black dots in live animals. 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. Trondheimfjorden, Norway. Material examined. Hauglandsosen, Norway, 2 spcs (dissected), ZMBN 88019, H = 3.6,? mm. Hauglandsosen, Norway, 5 spcs (dissected), ZMBN 88018, H = 2.5–3.6 mm. Kristiansund, 63°09’40’’ N, 0 7°44’ E, Norway, 1 spc (dissected), ZMBN 82175, H =?. Bodø, Norway, 1 spc (dissected), ZMBN 82187, H = 3.8 mm. Nesna, 66°12’20’’ N, 13°04’ E, Norway, 1 spc (dissected), ZMBN 82188, H = 3.9 mm. Shell (Fig. 1 D–H): Maximum H = 3.9 mm. External, thin; transparent; globose in shape, shoulders rounded, narrowing from widest point in middle of shell towards apex, aperture wide without parietal callus, apex obtuse, protoconch brownish transparent, mammillate, but protoconch not protruding top of last whorl, umbilicated; shell surface smooth, faint spiral lines visible under SEM. Animal (Fig. 1 A–C): Body whitish translucent with black dots (in live animals only) on cephalic shield and foot. Foot posteriorly bifurcated, anteriorly widened into two lobes. Broad short cephalic shield with tentacular lobes posteriorly, tips turned upwards in live animal. Radula (Fig. 2 A–C): Radular formula 11–12 x 1.1.1. Rachidian tooth with two flat denticulate lobes separated by gap, right lobe slightly larger than left lobe. Lateral teeth long, inner edge denticulate. Radula asymmetrical with left laterals much smaller than the right laterals, one large denticle on tip of left laterals ...