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Sowerbyella sladensis

Strophomenata - Strophomenida - Sowerbyellidae

Taxonomy
Sowerbyella sladensis was named by Jones (1928). Its type specimen is GSM 10319, a valve (dorsal valve external mould), and it is a 3D body fossil. Its type locality is Llan Mill, between Narberth & Whitland, which is in a Rawtheyan marine mudstone in the Slade and Redhill Mudstone Formation of the United Kingdom.

Sister species lacking formal opinion data
S. austrum, S. delicatula, S. levanonensis, S. negrita, S. pleba, S. sericea