Gyroscala
de Boury, 1887
Shell medium size; spire elevated; protoconch conical, smooth; colour may be diffused or present as spiral bands; whorls are generally attached; body whorl with well-defined, thin basal cord; surface glossy with axial costae, intercostal space smooth; aperture with a continuous, thickened peristome; umbilicus closed.
Genotype:
Gyroscala de Boury, 1887:15. Type species Scalaria commutata Monterosato, 1877 [= Scalaria lamellosa Lamarck, 1822],
Literature cited:
Brown, L. & Neville, B.D. (2015). Catalog of the recent taxa of the families Epitoniidae and Nystiellidae (Mollusca: Gastropoda) with a bibliography of the descriptive and systematic literature. Zootaxa. 3907(1). pp: 001-188
Clench, W. J. & Turner, R. D. (1951). The Genus Epitomium in the Western Atlantic pt 1. Jonsonia. 2(30). pp: 249
Kilburn, R.N (1985). The family Epitoniidae (Mollusca: Gastropoda) in southern Africa and Mozambique. Annals of the Natal Museum. 27(1). pp: 239-337
Nakayama, T. (2003). A Review of Northwest Pacific Epitoniids. Monographs of Marine Mollusca. 6. pp: 50
Reeve, L. (1873). Plate xii. Fig. 91.
Species List.
Species
Size mm
[min-max]
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Costae
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Umbilicus
Records
Distribution
