dcsimg
Image of Plectostoma panhai (Maassen 2001)
Unresolved name

Plectostoma panhai (Maassen 2001)

Description

provided by Zookeys
Apex. Shape: moderately convex. Spire. Height: 2.1–2.2 mm. Width: 1.6–1.7 mm. Number of whorls: 4 1/2–4 5/8. Apical spire shape: depressed conical. Basal spire shape: ovoid. Whorl periphery: moderately convex. Umbilicus: open. Constriction. Parietal teeth: one. Basal teeth: none. Tuba. Coiling direction: type 1 and aperture visible from back view. Tuba whorl length in proportion to spire last whorl: ca. 3/4. Proportion of tuba that attaches to spire: whole. Aperture and peristome. Peristome: double peristomes. Outer peristome shape: same as inner peristome and uniformly projected all around, except the posterior part. Spiral lines. Thick lines: present. Thin lines: present. Radial ribs. Rib density: 8–9 ribs per mm. Rib intensity: thin. Shape: straight. Inclination: orthoclin.
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cc-by-3.0
copyright
Thor-Seng Liew, Jaap Jan Vermeulen, Mohammad Effendi bin Marzuki, Menno Schilthuizen
bibliographic citation
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
author
Thor-Seng Liew
author
Jaap Jan Vermeulen
author
Mohammad Effendi bin Marzuki
author
Menno Schilthuizen
original
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Zookeys

Distribution

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Type locality. Tham Krachaeng, Thailand (6°12'50"N, 101°12'9"E). The location description in the original publication is not completely correct “(06°55'022"N, 101°12'160"E)” (Maassen 2001). Distribution range. This species is only known from the type locality (Figure 18D).
license
cc-by-3.0
copyright
Thor-Seng Liew, Jaap Jan Vermeulen, Mohammad Effendi bin Marzuki, Menno Schilthuizen
bibliographic citation
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
author
Thor-Seng Liew
author
Jaap Jan Vermeulen
author
Mohammad Effendi bin Marzuki
author
Menno Schilthuizen
original
visit source
partner site
Zookeys