MolluscaBase taxon details
original description
Brown, A. P. & Pilsbry, H. A. (1913). Fauna of the Gatun Formation, Isthmus of Panama - II. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 64: 500–519, pls. 22–26., available online at https://www.biodiversitylibrary.org/page/1695158 page(s): 514 (footnote) [details] 
original description
(of Spondylus carmenensis F. Hodson, 1927 †) Hodson, F.; Hodson, H. K.; Harris, G. D. (1927). Some Venezuelan and Caribbean mollusks. <em>Bulletins of American Paleontology.</em> 13(49): 1-80, pls. 1-40., available online at https://www.biodiversitylibrary.org/page/30374464 page(s): 41, pl. 25, figs 1-3 [details]
additional source
Vokes, H. E.; Vokes, E. H. (1992). Neogene Paleontology in the northern Dominican Republic. 12. The Genus <i>Spondylus</i> (Bivalvia: Spondylidae). <em>Bulletins of American Paleontology.</em> 102(339): 1-40., available online at https://www.biodiversitylibrary.org/page/10681489 page(s): 11-13, pl. 2, figs 1-4 [details]
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