original description
(of Pecten (Plagioctenium) cooperi Arnold, 1906 †) Arnold, R. (1906). The Tertiary and Quaternary pectens of California. <em>U.S. Geological Survey Professional Paper.</em> 47: 1-264, 53 pls., available online at https://doi.org/10.5962/bhl.title.13754
page(s): 124-125, pl. 49, figs 2-4 [details]
original description
(of Pecten invalidus G. D. Hanna, 1924 †) Hanna, G. D. (1924). Rectifications of nomenclature. <em>Proceedings of the California Academy of Sciences, fourth series.</em> 13(10): 151-186. [18 March 1924]., available online at https://www.biodiversitylibrary.org/page/3137578
page(s): 177 [details]
basis of record
Squires, R. L.; Groves, L. T.; Smith, J. T. (2006). New information on molluscan paleontology and depositional environments of the Upper Pliocene Pico Formation, Valencia area, Los Angeles County, southern California. <em>Contributions in science.</em> 511: 1-24., available online at https://www.biodiversitylibrary.org/page/52212368
page(s): 11-13, figs 15, 16 [details]
From editor or global species database
Nomenclature Replacement name for Pecten cooperi Arnold, 1906, non Smith, 1903 [details]