Two new species of the genus Indoartemon (Gastropoda: Stylommatophora: Streptaxidae) from Northwestern Vietnam

Do Duc Sang, e-mail: do.ducsang@hus.edu.vn

Department of Applied Zoology, Faculty of Biology, Hanoi University of Science (Vietnam National University, Hanoi), Nguyen Trai, 334 Thanh Xuan, Hanoi, Vietnam

Nguyen Thanh Son

Department of Applied Zoology, Faculty of Biology, Hanoi University of Science (Vietnam National University, Hanoi), Nguyen Trai, 334 Thanh Xuan, Hanoi, Vietnam
Abstract

Two new species of the genus Indoartemon are described from Son La Province, Northwestern Vietnam. Indoartemon parallelilabris n. sp., has an oblique-heliciform shell with an axially deflected last whorl. Apertural dentition consists of one large parietal lamella, one triangular palatal lamella, and one distinct, knob-shaped columellar lamella. Indoartemon deformis n. sp., has an approximately triangular aperture, a wide and deep umbilicus, and apertural dentition consisting of one large parietal lamella and one strong palatal lamella. Additionally, new records of Indoartemon fuchsianus tonkinianus Jaeckel, 1950 are provided.

Key words
Streptaxinae; taxonomy; endemic; Son La; Vietnam
References

Bui T. C., Do V. N., Ngo D. C., Do D. S. 2019. The land snail family Streptaxidae J. Gray, 1860 from Thua Thien Hue, Vietnam, with description of two new species (Gastropoda: Pulmonata). Ruthenica 29: 87–94.
Crosse H., Fischer P. 1864. Faune malacologique de Cochinchine. Premier supplément. Journal de Conchyliologie 12: 322–338.
Do D. S. 2017. Checklist of the genus Perrottetia Kobelt, 1905 (Pulmonata: Streptaxidae) of Vietnam, with description of a new species. Folia Malacologica 25: 95–100. https://doi.org/10.12657/folmal.025.009
Do D. S., Do V. N. 2015. The terrestrial snail family Streptaxidae J. Gray, 1860 (Gastropoda: Pulmonata) from Son La, Vietnam, with description of two new species. Ruthenica 25: 37–43.
Fischer H., Dautzenberg P. 1904. Catalogue des mollusques terrestres et fluviatiles de l’Indo-Chine orientale cites jusqu’à ce jour. In: Mission Pavie, Etudes diverses, III: 1–61.
Forcart P. 1946. Indoartemon subgen. nov. for Odonartemon Kobelt, 1905 (non Pfeiffer, 1856); Streptaxidae. Journal of Conchology 22: 215.
Gude G. K. 1903. A synopsis of the genus Streptaxis and its allies. Proceedings of the Malacological Society of London 5: 201–275.
Inkhavilay K., Siriboon T., Sutcharit C., Rowson B., Panha S. 2016. The first revision of the carnivorous land snail family Streptaxidae in Laos, with description of three new species (Pulmonata, Stylommatophora, Streptaxidae). ZooKeys 589: 23–53. https://doi.org/10.3897/zookeys.589.7933
Jaeckel S. H. 1950. Die Mollusken eines tropischen Flußgenistes aus Tonkin. Archiv für Molluskenkunde 79: 15–21.
Kerney M. P., Cameron R. A. D. 1979. A field guide to the land snails of Britain and Northwest Europe. Collins, London.
Kobelt W. 1905–1906. Die Raublungenschnecken (Agnatha). Zweite Abtheilung: Streptaxidae und Daudebardiidae. Systematisches Conchylien-Cabinet von Martini und Chemnitz, 1(12b)(2): 1–96, pls 42–59 (1905); 97–211, pls 60–71 (1906).
Páll-Gergely B., Hunyadi A., Varga A., Rowson B. 2015. Anatomy and taxonomic position of Elma H. Adams, 1866: a high-spired Southeast-Asian genus of Streptaxidae (Gastropoda: Eupulmonata). Folia Malacologica 23: 155–164. https://doi.org/10.12657/folmal.023.013
Pfeiffer L. 1861. Description of forty-seven new species of land shells, from the collection of H. Cuming, Esq. Proceedings of the Zoological Society of London 29: 20–29.
Pfeiffer L. 1868. Descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum. Monographia Heliceorum Viventium 5: 1–565.
Richardson L. 1988. Streptaxacea: Catalog of species, Part I, Streptaxidae. Tryonia 16: 1–326.
Schileyko A. A. 2000. Treatise on recent terrestrial pulmonate molluscs: Rhytididae; Chlamydephoridae; Systrophiidae; Haplotrematidae; Streptaxidae; Spiraxidae; Oleacinidae; Testacellidae. Ruthenica, Supplement 2, Part 6: 731–880.
Schileyko A. A. 2011. Check-list of land pulmonate molluscs of Vietnam (Gastropoda: Stylommatophora). Ruthenica 21: 1–68.
Siriboon T., Sutcharit C., Naggs F., Panha S. 2013. Three new species of the carnivorous snail genus Perrottetia Kobelt, 1905 from Thailand (Pulmonata, Streptaxidae). ZooKeys 287: 41–57. https://doi.org/10.3897/zookeys.287.4572
Siriboon T., Sutcharit C., Naggs F., Rowson B., Panha S. 2014. Revision of the carnivorous snail genus Indoartemon Forcart, 1946 and a new genus Carinartemis from Thailand (Pulmonata: Streptaxidae). Raffles Bulletin of Zoology 62: 161–174.
Sutcharit C., Naggs F., Wade C. M., Fontanilla I., Panha S. 2010. The new family Diapheridae, a new species of Diaphera Albers from Thailand and the position of the Diapheridae within a molecular phylogeny of the Streptaxoidea (Pulmonata: Stylommatophora). Zoological Journal of the Linnean Society 160: 1–16. https://doi.org/10.1111/j.1096-3642.2009.00598.x
Thiele J. 1931 (1929–1935). Handbuch der systematischen weichtierkunde. Gustav Fischer, Jena.
Van Benthem Jutting W. S. S. 1954. The Malayan Streptaxidae of the genera Discartemon and Oophana. Bulletin of the Raffles Museum 25: 71–106.
Van Bruggen A. C. 1967. An introduction to the pulmonate family Streptaxidae. Journal of Conchology 26: 181–188.
Varga A. 2012. On the genus Elma H. Adams, 1866 (Mollusca, Streptaxidae). Folia Historico Naturalia Musei Matraensis 36: 5–13.
Vermeulen J. J., Luu H. T., Theary K., Anker K. 2019. New species of land snails (Mollusca: Gastropoda: Caenogastropoda and Pulmonata) of the Mekong delta limestone hills (Cambodia, Vietnam). Folia Malacologica 27: 7–41. https://doi.org/10.12657/folmal.027.001
Zilch A. 1960. Gastropoda, Euthyneura. In: Schinderwolf OH (ed.) Handbuch der Paläozoologie. Gebrüder Borntraeger, Berlin 6: 401–834.
Zilch A. 1961. Die Typen und Typoide des Natur-Museums Senckenberg 24: Mollusca, Streptaxidae. Archiv für Molluskenkunde 90: 79–120.

Folia Malacologica (2020) 28: 135-140
First published on-line: 2020-06-12 00:00:00
https://doi.org/10.12657/folmal.028.012
Full text (.PDF) BibTeX Mendeley Back to list