| Caecum breve de Folin, 1867 |
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| In shell grit taken by SCUBA from a depth of 69 feet off Boynton Beach, FL (1 mm.). Digital images by David Kirsh. |
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Original drawing from de Folin, L., 1867. Descriptions d'espèces nouvelles de Caecidae. Journal de Conchyliologie 3ème série 7; Tome VIIe 15: 42-58 + pls. 2,3. Also see discussion at Caecum debile A. E. Verrill and Bush, 1900. |
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