Purpuradusta gracilis (Gaskoin, 1849)
Length: 13.7mm, Width: 8.0mm, Height: 6.3mm. Scuba, 5 ft, under rubble. Apra Harbor, Guam. Collected by Bob Abela on 30 August 2005.
Distribution: Indo-Pacific
Habitat: Intertidal to approximate 40 ft, under rubble.
Availability: Appears to be restricted to Apra Harbor where it is fairly common.
Size: Guam specimens are typically 12-15mm.
Comments: Distinctive though compares closely with Purpuradusta fimbriata and Purpuradusta microdon.
References:
Abbott, R. Tucker & S. Peter Dance. Compendium of Seashells. p. 92.
Burgess, C. M. 1985. Cowries of the World. p. 131, 138.
Cate, Crawford N. 1969. The Cowry Species Living at Guam. The Veliger 12(1):127. pl. 24, fig. 49.
Cernohorsky, Walter O. 1972. Marine Shells of the Pacific. Revised ed. p. 95. pl. 17, fig. 97.
Hinton, Alan. 1972. Shells of New Guinea and the Central Indo-Pacific. p. 30. pl 15, fig 12 & 13.
Kira, Tetsuaki. 1965. Shells of the Western Pacific in Color, Vol 1. p. 48, Pl. 20, fig. 16.
Lorenz, Felix & Alex Hubert. 2000. A Guide to Worldwide Cowries. 2nd ed. p. 146-147, pl. 54b; pl. 58, fig 1-27; pl. 109, fig. 25.
Springsteen, F. J. & F. M.Leobrera. 1986. Shells of the Philippines. p. 84. Pl. 21 fig. 8.
Walls, Jerry. G. 1979. Cowries. Revised ed. p. 123.
Wilson, Barry. 1993. Australian Marine Shells, Part One. p. 188, pl. 33, fig. 2 a-d.
Links:
- P. gracilis (Gaskoin, 1849)
Hardy's Internet Guide to Marine Gastropods | Micro Shells - P. g. japonica Schilder, 1931
Hardy's Internet Guide to Marine Gastropods | Micro Shells - P. g. macula (Angas,1867)
Hardy's Internet Guide to Marine Gastropods | Micro Shells - P. g. notata (Gill, 1858)
Hardy's Internet Guide to Marine Gastropods - P. g. jamila Lorenz, & Hubert, 1993
Hardy's Internet Guide to Marine Gastropods - OBIS Indo-Pacific Molluscan Database