Mimachlamys punctata (Gmelin, 1791)
GMELIN, J. F. 1791. Caroli a Linné, Systema Naturae per Regna Tria Naturae, secundum classes, ordines, genera, species, cum characteribus differentis, synonymis, locis. Tomus I. Pars VI. Classis VI. Vermes Species, cum characteribus, differentiis, synonymis, locis. 13th edition, Aucta, Reformata, 3021-3910 p. Impensis Georg Emanuel Beer, Lipsiae [Leipzig], 1791. [p. 3320]
1791 Ostrea punctata Gmelin, 1791
1853 Pecten lentiginosus Reeve, 1853
1853 Pecten saniosus Reeve, 1853
1939 Mimachlamys gavena Iredale, 1939
1853 Pecten lentiginosus Reeve, 1853
1853 Pecten saniosus Reeve, 1853
1939 Mimachlamys gavena Iredale, 1939
Ostrea punctata Gmelin, 1791; H. H. Dijkstra, 2016, Annotations to the figured scallops (Mollusca, Bivalvia, Pectinidae) in Gualtieri’s “Index Testarum Conchyliorum”, deposited in the Museo di Storia Naturale e del Territorio at Calci (Pisa, Italy), figures 17a, 17b.
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«punctata» 29. O. testa oblonga lutea albo maculata: natibus albo fuscoque variis, radiis crenatis.
Gualt. test. t. 74. f. G. Habitat ... testa 2 pollices longa: auriculis cancellatis.» JOHANN FRIEDRICH GMELIN, 1791
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«Type data. Ostrea punctata Gmelin: lectotype (rv: H 49 mm, L 42.9 mm), not figured by Gualtieri (1742), in Museo di Storia Naturale et del Territorio, Università di Pisa, in the Certosa di Calci (MSNP G. 2260), herein designated. Paralectotype (lv) figured by Gualtieri (1742: pl. 74, fig. G) not traced. Type locality: Unknown.
Pecten lentiginosus Reeve: lectotype (pr) NHMUK1950. 11.14.40, figured by Reeve (1853: pl. 20, fig. 76), herein designated, 2 paralectotypes (pr) NHMUK1950.11.14.41-42. Type locality: Philippine Islands, Ticao Island, under stones at low water. Pecten saniosus Reeve: syntype (pr) NHMUK2009001. Type locality: Unknown. Mimachlamys gavena Iredale: holotype (pr) AM C.089666 (Fig. 93J–K). Type locality: Australia, N QLD, GBR, Low Isles, 9–12 fathoms [16–22 m]. Comments on type data. During a visit to Gualtieri’s collection in the Museo di Storia Naturale at Calci, near Pisa, Italy, the first author (Dijkstra, 2016) traced only the right valve, with an ink number “72.G” on the inside, referring to the figure by Gualtieri (1742: pl. 74, fig. G) of an articulated specimen of Ostrea punctata Gmelin, 1791 in the Gualtieri collection, similar to the type material of Pecten lentiginosus Reeve, 1853. Mimachlamys gavena from Queensland is indistinguishable from the type material of Ostrea punctata and Pecten lentiginosus.
We are not aware of the 25 published usages of the name Chlamys (or Mimachlamys) lentiginosa that would be needed to allow this name to be declared a nomen protectum, and so are obliged to adopt Gmelin’s earlier name Mimachlamys punctata.» DIJKSTRA, H. H. & A. G. BEU. 2018. Living scallops of Australia and adjacent waters (Mollusca: Bivalvia: Pectinoidea: Propeamussiidae, Cyclochlamydidae and Pectinidae). Records of the Australian Museum, 70 (2): 113-330, figs. 1-102. [p. 288]
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Mimachlamys punctata (Gmelin, 1791); H. H. Dijkstra & A. G. Beu, 2018, Living scallops of australia and adjacent waters, figures 93D, 93F-93H, 93J, 93K.
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«In his description of O. punctata Gmelin (1791: 3320, no 29) only referred to Gualtieri (1742: pl. 74 fig. G). When examining Gualtieri's collection, I traced one right valve (H 49 mm, L 42.9 mm), with an ink-number 74.G. on the inner side, whereas, the illustrated left valve was not found. This right valve is morphologically similar to Mimachlamys lentiginosa (Reeve, 1853). Therefore Ostrea punctata Gmelin turns out to be a senior synonym of M. lentiginosa (Reeve, 1853), as already suggested by Martens (1902).»
DIJKSTRA, H. H. 1997. Results of the Rumphius Biohistorical Expedition to Ambon (1990), part 6. Mollusca, Bivalvia, Pectinidae. Zoologische Mededelingen, 71 (27): 313-343, figs. 1-49, tabs 1-3. [p. 316]
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N. Gualteri, 1742, Index Testarum Conchyliorum, plate 74.
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