Melvill, J. C. & Standen, R. (1903). The genus Scala (Klein) Humphrey, as represented in the Persian Gulf, Gulf of Oman, and North Arabian Sea, with descriptions of new species. Journal of Conchology. 10: 340-351, pl. 7. [10(11: 340-344 (1 July); 10(12): 345-351, pl. 7 (1 October)].
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Melvill, J. C. & Standen, R.
1903
The genus <i>Scala</i> (Klein) Humphrey, as represented in the Persian Gulf, Gulf of Oman, and North Arabian Sea, with descriptions of new species.
Journal of Conchology
10: 340-351, pl. 7. [10(11: 340-344 (1 July); 10(12): 345-351, pl. 7 (1 October)]
