(Original description) The shell is small, stout and biconic. The
protoconch is small-tipped, consisting of about 3 very rapidly enlarging
whorls. The
body whorl is sculptured with crowded, protractive, curved, axial riblets. The
aperture is long and narrow. The base of the shell is barely emarginate. The anterior canal is not differentiated. The outer
lip is not varicose, except at intervals corresponding to axial ribs. The anal notch is shallow. Specimens with a perfectly formed outer lip show a low denticle below the notch well within the aperture. The parietal callus is moderately thickened adjoining notch. The sculpture consists of axial ribs, barely overridden by fine spiral threads, and of microscopic frosted spirals.
Brachycythara is a genus of small, biconic turrids having a very rapidly enlarging axially sculptured protoconch, non-varicose outer lip, and no anterior canal.[2]
^W. P. Woodring. 1928. Miocene Molluscs from Bowden, Jamaica. Part 2: Gastropods and discussion of results . Contributions to the Geology and Palaeontology of the West Indies
Rolán E. & Espinosa J. (1999). El complejo Brachycythara biconica (C. B. Adams, 1850) (Mollusca: Gastropoda: Turridae) en Cuba, con la descripción de una nueva especie. Bollettino Malacologico, 34(1-4): 43-49.
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