dcsimg

Image of Cyclophoroidea

Image of Cyclophoroidea

Description:

Figures 10.Aperture and peristome forms. A outer and inner peristome B Simple aperture without outer peristome C aperture with double peristomes in which the outer peristome is prominent D aperture with double peristomes in which the outer peristome is equally prominent as the inner.

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Thor-Seng Liew, Jaap Jan Vermeulen, Mohammad Effendi bin Marzuki, Menno Schilthuizen
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Liew T, Vermeulen J, Marzuki M, Schilthuizen M (2014) A cybertaxonomic revision of the micro-landsnail genus Plectostoma Adam (Mollusca, Caenogastropoda, Diplommatinidae), from Peninsular Malaysia, Sumatra and Indochina ZooKeys 393: 1–107
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Zookeys
ID
zookeys.393.6717.sp_1_p_10