taxonID	type	description	language	source
45DC3B8D7FE9520CA29B8BA14E1E6A7A.taxon	description	Fig. 6	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
45DC3B8D7FE9520CA29B8BA14E1E6A7A.taxon	diagnosis	Diagnosis. Shell conical, white; a visible suture; 5 – 5 ½ whorls. Aperture oblique and oval. The last whorl sculpture has a prominently spiraled, low convex pattern. Umbilicus open and narrow.	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
45DC3B8D7FE9520CA29B8BA14E1E6A7A.taxon	description	Description. Shell conical, white, translucent; apex rounded; whorls convex up to deep suture; 5 – 5 ½ whorls. The aperture is oblique oval, with a wall adjacent to the upper body, a concave portion following the shell shape, and a thin peristome. Umbilicus open, narrow, and nearly closed (Fig. 6 A). Protoconch sculpture consisting of malleation, scattered throughout the area up to the second whorl (Fig. 6 B, C). The last whorl sculpture consists of a spiral low convex pattern with 30 – 32, conspicuous, regularly spaced rows, each with a narrow groove. The radial sculpture is almost absent and irregularly spaced (Fig. 6 D). Operculum paucispiral, thin, transparent, and composed of chitin (Fig. 6 E).	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
45DC3B8D7FE9520CA29B8BA14E1E6A7A.taxon	etymology	Etymology. The name changphueakensis is derived from Samnaksong Tham Chang Phueak, where this species was discovered.	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
A47CDAA8EB5B5380A34CAF9CAE148709.taxon	description	Fig. 7	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
A47CDAA8EB5B5380A34CAF9CAE148709.taxon	diagnosis	Diagnosis. Shell conical, white; a visible suture; 4 ¾ – 5 whorls. Aperture oblique and oval. The last whorl sculpture has a relief spiral pattern, thin lines and is barely visible. Umbilicus open and narrow.	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
A47CDAA8EB5B5380A34CAF9CAE148709.taxon	description	Description. Shell conical, white, translucent; apex rounded; whorls convex up to deep suture; 4 ¾ – 5 whorls. Aperture oblique oval, with a wall adjacent to the upper body, a concave part following the shell shape, and a thin peristome. Umbilicus open, narrow, and superficial (Fig. 7 A). Protoconch sculpture rough and spread across the area (Fig. 7 B, C). Last whorl sculpture consists of 48 spiral rows with a shallow groove between them. Radial sculpture thin and barely visible (Fig. 7 D). Operculum paucispiral, thin, transparent, composed of chitin (Fig. 7 E).	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
A47CDAA8EB5B5380A34CAF9CAE148709.taxon	etymology	Etymology. The specific name kanchanaditensis is derived from Wat Pa Kanchanadit, where this species was discovered.	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
CD7E2B23C4905593A0E0804970919958.taxon	description	Fig. 4	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
CD7E2B23C4905593A0E0804970919958.taxon	diagnosis	Diagnosis. Shell conical, white, translucent; 4 ½ – 5 convex whorls with a deep suture. Aperture obliquely oval. The last whorl sculpture is characterized by a distinct reticulated (mesh-like) pattern. Umbilicus narrow and open.	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
CD7E2B23C4905593A0E0804970919958.taxon	description	Description. Shell conical, white, and translucent, with a rounded apex. Whorls convex, with a deep suture, totaling 4 ½ – 5 whorls. The aperture is obliquely oval, with a thin peristome and a concavity adjoining the upper body. Umbilicus open, narrow, and shallow (Fig. 4 A). Protoconch with scattered malleated sculptures extending to the second whorl (Fig. 4 B, C). The last whorl has a well-defined reticulated sculpture, formed by conspicuous radial and spiral elements, with unevenly tapered spiral lines (Fig. 4 D). Operculum is thin, transparent, paucispiral, and chitinous (Fig. 4 E).	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
CD7E2B23C4905593A0E0804970919958.taxon	etymology	Etymology. The specific epithet krueangensis refers to Phra Krueang Cave, the type locality where the new species was discovered.	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
5FE63AB394CA5B429EDC79D2156FBB70.taxon	description	Fig. 5	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
5FE63AB394CA5B429EDC79D2156FBB70.taxon	diagnosis	Diagnosis. Shell shape conical, white; suture visible; whorls 4 – 6. Aperture oblique oval. The last whorl sculpture consists of a lattice pattern on the upper part of the whorls. Umbilicus open and narrow.	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
5FE63AB394CA5B429EDC79D2156FBB70.taxon	description	Description. Shell conical, white, translucent; rounded apex; whorls convex on the side up to a deep suture; 4 ¼ – 6 whorls. The aperture is oblique oval, with a wall next to the upper body, a concave part following the shell shape, and a thin peristome. The umbilicus is open, narrow, and superficial (Fig. 5 A). Protoconch is a rough sculpture scattered throughout the area up to the second whorl (Fig. 5 B, C). The last whorl sculpture is a spiral low convex sculpture with 23 – 26 rows, wide, conspicuous, and regularly spaced with a narrow groove in the wide rows. Radial sculpture tapered in the upper part of the whorl (Fig. 5 D). Operculum paucispiral, thin, transparent, and composed of chitin (Fig. 5 E).	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
5FE63AB394CA5B429EDC79D2156FBB70.taxon	etymology	Etymology. The specific name thamsingensis refers to Wat Tham Sing, where the species was discovered.	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
F1317B8D5AA157C5A6BBDC1A0E6950A0.taxon	type_taxon	Type species. Cyclostoma tersum Benson, 1853.	en	Seedee, Kunya, Dumrongrojwattana, Pongrat, Poeaim, Supattra (2025): Four new species of genus Acmella W. T. Blanford, 1869 (Gastropoda, Assimineidae) from Southern Thailand. ZooKeys 1256: 275-292, DOI: 10.3897/zookeys.1256.157322
