Pecten circularis G. B. Sowerby I, 1835
SOWERBY I, G. B. 1835. Characters and observations on new genera and species of Mollusca and Conchifera collected by Mr. Cuming. Proceedings of the Zoological Society of London, 3: 4-7, 49-51, 93-96, 109-110. [p. 110]
«PECTEN CIRCULARIS. Pect. testa suborbiculari, tumitla, subaequivalvi, aequilaterali, fusco alboque varia, auriculis magnis, subaequalibus; costis radiantibus octodecim interstitiis latioribus, arcuatim striatis; valva altera sulcis profundioribus: long. 1·5, lat. 0∙8, alt. 1·4 poll.
Hab. ad Sinum Californiae. (Guaymas.) Found in sandy mud at a depth of seven fathoms.— G. B. S.» GEORGE BRETTINGHAM SOWERBY I, 1835
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