Acavidae
Acavidae


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Ampelita |
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Ampelita granulosa (Féussac, 1851)
The unique aspect of this Ampelita species is the coarse bristle-like periostracum covering the shell. No other species of Ampelita exhibits this characteristic.
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Ampelita lamarei (Pfeiffer, 1853)
Among the many amazing new finds in Madagascar is this newly discovered form of A. lamarei. The bold pattern of streaks across a thin dark ochre-colored periostracum is quite different than the other more well-know forms.
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Ampelita lamarei sakalava (Angas, 1877)
This subspecies is by far one of the most attractive of the genus, with its flaring white lip and flecks of golden brown cuticle-like periostracum. The population represented in this lot is a dwarf form of the species from a very remote location.
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Ampelita (A.) sepulchralis (Fèrrusac, 1822)
Endemic to Madagascar. Do not confuse with A. lamarei sakalava. The flaring white lip is less produced, but no less spectacular.
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Ampelita xystera (Pfeiffer, 1846)
This species is the type species of the subgenus Xystera, which have sharply keeled shells. The chocolate-brown color blends nicely with shiny black lip. The species is limited to the northeastern part of Madagascar.
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Ampelita xystera novacula (Martens, 1879)
A rare form of A. xystera with a malleated surface above the sharply keeled periphery. It is also generally smaller than the nominate form.
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Ampelita xystera shavi (E.A.Smith, 1879)
A sharply keeled ochre-colored form with a deep umbilicus. Smaller than the typical xystera forms. From southeast Madagascar.
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Helicophanta |
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Helicophanta echinophora (Deshayes, in Férussac, 1851)
Inflated shell with elevated spire, the last whorl taking up most of the shell. Brown banded with black lip. Mis-illustrated as H. goudotiana.
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