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Austrodrillia
''Austrodrillia'' is a genus of sea snails, marine gastropod mollusks in the family (biology), family Horaiclavidae.Bouchet, P. (2011). Austrodrillia Hedley, 1918. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=432408 on 2012-07-05 It was previously categorized within Crassispirinae, Turridae. Description The small shell is very solid, subcylindrical or claviform. The Sculpture (mollusc), sculpture consists of nodose ribs that do not attain the suture, and fine spiral threads which are most dense at the summit of the Whorl (mollusc), whorl. There is no epidermis. The protoconch consists of two smooth and elevate whorls. The Aperture (mollusc), aperture is wide, without varix or internal armature. The outer Lip (gastropod), lip is simple. The wide sinus is U-shaped, its right margin resting on a massive insertion callus. The fasciole is indistinguishable. Distribution This marine genus occurs off Australia and New Zeal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Austrodrillia Beraudiana
''Austrodrillia beraudiana'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Horaiclavidae.WoRMS (2015). Austrodrillia beraudiana (Crosse, 1863). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=433082 on 20 September 2016 It was previously categorized within the family Turridae. Description The length of the shell attains 17 mm. This is a stouter, shorter shell than ''Austrodrillia angasi'', with fewer, more widely spaced ribs. Description by Des Beechey (2004): "''Shell sculptured with solid axial ribs, restricted to lower two thirds of spire whorls, 7 or 8 per whorl, crossed by fine spiral threads. Axial ribs fading out on lower half of body whorl. Inner lip of aperture with callous pad at upper end in mature shells; outer lip with rounded V-shaped sinus with apex at centre of shoulder slope. Colour fawn, axial ribs cream.''" Distribution This mari ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |