Plectostoma kitteli Maassen 2002
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2026
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| author | Aulia, Latifah Nurul Nurinsiyah, Ayu Savitri Mujiono, Nova Páll-Gergely, Barna Ambarwati, Reni |
| author_facet | Aulia, Latifah Nurul Nurinsiyah, Ayu Savitri Mujiono, Nova Páll-Gergely, Barna Ambarwati, Reni |
| contents | <p><i>Plectostoma kitteli</i> Maassen, 2002</p><p>Fig. 7 c</p><p><i>Plectostoma kitteli</i> Maassen, 2002: 176, figs 35, 36.</p><p><i>Plectostoma kitteli</i> – Liew et al. 2014: 83 –85, fig. 4 A – F. Marwoto 2016: 18.</p><p><b>Material examined.</b></p><p>Indonesia • South Sumatra, Ogan Komering Ulu, Semidang Aji, Suka Merindu (Plot 11); 4°04.11'S, 103°55.34'E; alt. 124 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst. 22114/2320 • South Sumatra, Ogan Komering Ulu, Semidang Aji, Suka Merindu (Plot 8); 4°04.06'S, 103°55.40'E; alt. 134 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst. 22115/16 • South Sumatra, Ogan Komering Ulu, Semidang Aji, Padang Bindu (Plot 3); 4°04.23'S, 103°56.08'E; alt. 114 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst. 24116/23 • South Sumatra, Ogan Komering Ulu, Semidang Aji, Suka Merindu (Plot 5); 4°04.04'S, 103°55.36'E; alt. 150 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst 24117/36 • South Sumatra, Ogan Komering Ulu, Semidang Aji, Padang Bindu (Plot 15); 4°04.33'S, 103°55.60'E; alt. 205 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst. 24121/1.</p><p><b>Description (n = 45).</b></p><p>Shell micro size with H with tube 3.5–5.3 mm (mean 3.9 mm); shell height without tube 2.3–3.9 mm (mean 2.7 mm); D with tube 3.3–4.8 (mean 3.7 mm); DA from inner peristome 1.1–1.4 mm (mean 1.3 mm); DA from outer peristome 1.2–1.8 mm (mean 1.4 mm); HA from inner peristome 1.1–1.5 mm (mean 1.3 mm); HA from outer peristome 1.5–2.1 mm (mean 1.7 mm); 7 whorls. Shell dextral; conical, sinistroid, with slightly convex sides; apex slightly oblique; width of each whorl increases regularly; brownish yellow color, not transparent; protoconch smooth; teleoconch with sharp and distinct radial ribs (7 or 8 ribs per mm on the penultimate whorl). Spiral striae absent; umbilicus open, with diameter 0.1 mm; peristome double, outer peristome widened; inner peristome stands out clearly, slightly widened.</p><p><b>Habitat.</b></p><p>Limestone rocks.</p><p><b>Distribution in Sumatra.</b></p><p>The species was previously recorded in West Sumatra by Maassen (2002 b). The distribution in South Sumatra is a new record. The species was never recorded outside Sumatra and is thus endemic to the island.</p><p><b>Remarks.</b></p><p>All specimens of <i>Plectostoma kitteli</i> from the Padang Bindu Karst are larger in width and height than those collected by Mr. Kittel in West Sumatra. We initially suspect the species to be a new species for <i>Plectostoma</i>. However, after examining the species morphology, range of morphometry as well as the ribbing, we concluded that this is <i>P. kitteli</i>. Genetic analysis, which is beyond the scope of the current research, is recommended to solve the systematics issue.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18837446 |
| institution | Zenodo |
| language | |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Plectostoma kitteli Maassen 2002 Aulia, Latifah Nurul Nurinsiyah, Ayu Savitri Mujiono, Nova Páll-Gergely, Barna Ambarwati, Reni Biodiversity Taxonomy Animalia Mollusca Gastropoda Architaenioglossa Diplommatinidae Plectostoma Plectostoma kitteli <p><i>Plectostoma kitteli</i> Maassen, 2002</p><p>Fig. 7 c</p><p><i>Plectostoma kitteli</i> Maassen, 2002: 176, figs 35, 36.</p><p><i>Plectostoma kitteli</i> – Liew et al. 2014: 83 –85, fig. 4 A – F. Marwoto 2016: 18.</p><p><b>Material examined.</b></p><p>Indonesia • South Sumatra, Ogan Komering Ulu, Semidang Aji, Suka Merindu (Plot 11); 4°04.11'S, 103°55.34'E; alt. 124 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst. 22114/2320 • South Sumatra, Ogan Komering Ulu, Semidang Aji, Suka Merindu (Plot 8); 4°04.06'S, 103°55.40'E; alt. 134 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst. 22115/16 • South Sumatra, Ogan Komering Ulu, Semidang Aji, Padang Bindu (Plot 3); 4°04.23'S, 103°56.08'E; alt. 114 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst. 24116/23 • South Sumatra, Ogan Komering Ulu, Semidang Aji, Suka Merindu (Plot 5); 4°04.04'S, 103°55.36'E; alt. 150 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst 24117/36 • South Sumatra, Ogan Komering Ulu, Semidang Aji, Padang Bindu (Plot 15); 4°04.33'S, 103°55.60'E; alt. 205 m; May-June 2021; A. S. Nurinsiyah leg.; MZB Gst. 24121/1.</p><p><b>Description (n = 45).</b></p><p>Shell micro size with H with tube 3.5–5.3 mm (mean 3.9 mm); shell height without tube 2.3–3.9 mm (mean 2.7 mm); D with tube 3.3–4.8 (mean 3.7 mm); DA from inner peristome 1.1–1.4 mm (mean 1.3 mm); DA from outer peristome 1.2–1.8 mm (mean 1.4 mm); HA from inner peristome 1.1–1.5 mm (mean 1.3 mm); HA from outer peristome 1.5–2.1 mm (mean 1.7 mm); 7 whorls. Shell dextral; conical, sinistroid, with slightly convex sides; apex slightly oblique; width of each whorl increases regularly; brownish yellow color, not transparent; protoconch smooth; teleoconch with sharp and distinct radial ribs (7 or 8 ribs per mm on the penultimate whorl). Spiral striae absent; umbilicus open, with diameter 0.1 mm; peristome double, outer peristome widened; inner peristome stands out clearly, slightly widened.</p><p><b>Habitat.</b></p><p>Limestone rocks.</p><p><b>Distribution in Sumatra.</b></p><p>The species was previously recorded in West Sumatra by Maassen (2002 b). The distribution in South Sumatra is a new record. The species was never recorded outside Sumatra and is thus endemic to the island.</p><p><b>Remarks.</b></p><p>All specimens of <i>Plectostoma kitteli</i> from the Padang Bindu Karst are larger in width and height than those collected by Mr. Kittel in West Sumatra. We initially suspect the species to be a new species for <i>Plectostoma</i>. However, after examining the species morphology, range of morphometry as well as the ribbing, we concluded that this is <i>P. kitteli</i>. Genetic analysis, which is beyond the scope of the current research, is recommended to solve the systematics issue.</p> |
| title | Plectostoma kitteli Maassen 2002 |
| topic | Biodiversity Taxonomy Animalia Mollusca Gastropoda Architaenioglossa Diplommatinidae Plectostoma Plectostoma kitteli |
| url | https://doi.org/10.5281/zenodo.18837446 |