Excellichlamys sowerbyi Dijkstra, 1998
DIJKSTRA, H. H. 1998. Notes on taxonomy and nomenclature of Pectinoidea (Mollusca: Bivalvia: Propeamussiidae, Pectinidae) 3. Nomina nova. Basteria, 62 (5-6): 245-261. [p. 247]
«Excellichlamys sowerbyi nom. nov.
Pecten parvus Da Costa, 1778: 153. Recent, Cornwall, England.
Pecten parvus G. B. Sowerby 1st., 1835: 110. Recent, Marutea, Tuamotu Archipel, French Polynesia, Pacific. G. B. Sowerby 1st. (1835) described Pecten parvus, from Lord Hood's Island, (Marutea, Tuamotu Archipel, French Polynesia), but overlooked Pecten parvus Da Costa, 1778. Also Reeve (1853: species 133, pl. 29 fig. 133) and Küster & Kobelt (1888: 168, pI. 46 fig. 7) ignored Da Costa's species. Waller (1972: 246, 248) treated Pecten parvus Sowerby as a senior synonym of Excellichlamys spectabilis (Reeve, 1853) and reported on the homonymy. However, he explained that P. parvus could be a subspecies or a geographic morph and decided not to introduce a nomen novum, due to the lack of comparative specimens from the eastern central Pacific. Different morphological characters of E. spectabilis from the Indo-West Pacific and P. parvus Sowerby from French Polynesia (Waller, 1972: 248; Dijkstra, 1989: 14-15) justify a nomen novum.
Excellichlamys sowerbyi is named after George Brettingham Sowerby 1st. (1788-1854).» HENK H. DIJKSTRA, 1998
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Pecten parvus Sow.: G. B. Sowerby II, 1842, Monograph of the genus Pecten, Thesaurus conchyliorum, pl. 20, figs. 227, 228.
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