Tehamatea rasmusseni Hryniewicz & Little & Nakrem 2014, sp. nov.

• Main Authors: Hryniewicz, Krzysztof, Little, Crispin T. S., Nakrem, Hans Arne
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Bivalvia; Venerida; Lucinidae; Tehamatea; Tehamatea rasmusseni; Greenland; Spitsbergen
• Online Access: https://doi.org/10.5281/zenodo.5228261; http://treatment.plazi.org/id/A2311D4D9F07E30704E6FBD8FD792FCE

Tehamatea rasmusseni sp. nov. (Figure 13 A–J) 2011 Lucinid sp.—Hammer et al. , fig. 7d–e, tab. 2. Etymology. After Jan Audun Rasmussen, curator of the Greenland collection in the Natural History Museum of Denmark, Copenhagen, study of which helped with taxonomic determinations in this paper. Type locality. Seep 9, Knorringfjellet, Spitsbergen, 78°18’49.9”N 16°10’58.9”E. Type material. Holotype: PMO 217.234; a partially articulated shell the vertically displaced valves; right valve shows cardinal and anterior lateral dentition of the right valve; left valve is an internal mould, with silicone rubber cast. Paratypes: PMO 217.169; an articulated, partially preserved shell showing outline and details of external ornament. PMO 217.173; an internal mould and silicone rubber cast showing part of the right valve cardinal dentition. PMO 217.227; an articulated specimen showing the ligament and posterior sulcation. PMO 217.243; an articulated, partially preserved internal mould and silicone rubber cast showing the right valve cardinal dentition. PMO 217.247; an articulated, partially preserved internal mould showing bioimmuration trace. PMO 225.101; an internal mould with silicone rubber cast showing anterior lateral dentition. PMO 225.104; an internal mould showing anterior adductor muscle scar and posterior adductor muscle scar and possible mantle gill scars. PMO 225.111; an internal mould with silicone rubber cast showing anterior and posterior hinge plate areas. Material examined. 60 specimens, mostly articulated internal moulds, some with adhering shell, and a few single valves. See Appendix 1 for list of specimens. Dimensions. 17–100 mm in length, 13–76 mm in height, 7.3–54 mm in width. See Figure 14 A–F and Appendix 2J for details. Diagnosis. Shell oval to weakly hexagonal in shape, covered with dense commarginal growth lines. Posterodorsal margin gently convex, posterior area slightly flattened. Posterior margin slightly truncated. Anterior and posterior laterals short and weak. Cardinal tooth 3a very small, 3b ...