identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
45DC3B8D7FE9520CA29B8BA14E1E6A7A.text	45DC3B8D7FE9520CA29B8BA14E1E6A7A.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Acmella changphueakensis Seedee, Dumrongrojwattana & Poeaim 2025	<div><p>Acmella changphueakensis Seedee, Dumrongrojwattana &amp; Poeaim sp. nov.</p><p>Fig. 6</p><p>Type material.</p><p>Holotype: Thailand • <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=99.0349&amp;materialsCitation.latitude=10.4463" title="Search Plazi for locations around (long 99.0349/lat 10.4463)">Samnaksong Tham Chang Phueak</a>, Ban Na Subdistrict, Mueang District, Chumphon Province; 10.4463, 99.0349; November 2023; Kunya Seedee; Deposited in the Malacological Collection; catalog no. ZRCBUU 0991; GenBank accession number: PV 157993, SH = 1.37 mm, SW = 0.96 mm, AH = 0.52 mm, AW = 0.53 mm (Fig. 6 A – E, Table 2) . Paratype: Thailand • 4 shells; same locality data as holotype; November 2023; Deposited in the same institution as the holotype; catalog no. ZRCBUU 0992; GenBank accession number: PV 157994, SH = 1.33–1.49 mm (1.38 ± 0.08 mm), SW = 0.95–1.09 mm (1.01 ± 0.07 mm), AH = 0.51–0.57 mm (0.54 ± 0.03 mm), AW = 0.48–0.54 mm (0.50 ± 0.03 mm) .</p><p>Diagnosis.</p><p>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.</p><p>Description.</p><p>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).</p><p>Differential diagnosis.</p><p>Acmella changphueakensis sp. nov. resembles A. minutissima Maassen, 2000 in having a similar sculpture pattern on the last whorl. However, it can be distinguished by its higher number of spiral rows and greater number of whorls (five), whereas A. minutissima has only four. Among the newly described species, A. changphueakensis sp. nov. differs from A. krueangensis sp. nov. and A. thamsingensis sp. nov. by its faint radial sculpture, which is well developed in the latter two species. It shares a similar spiral sculpture with A. kanchanaditensis sp. nov., but it differs in having more widely spaced spiral rows.</p><p>Etymology.</p><p>The name changphueakensis is derived from Samnaksong Tham Chang Phueak, where this species was discovered.</p><p>Habitat and distribution.</p><p>This species is known only from the study site.</p><p>Ecology.</p><p>The new species inhabits cave environments where no light penetrates, specifically in areas where water seeps through the cave walls.</p></div>	https://treatment.plazi.org/id/45DC3B8D7FE9520CA29B8BA14E1E6A7A	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Seedee, Kunya;Dumrongrojwattana, Pongrat;Poeaim, Supattra	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.text	A47CDAA8EB5B5380A34CAF9CAE148709.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Acmella kanchanaditensis Seedee, Dumrongrojwattana & Poeaim 2025	<div><p>Acmella kanchanaditensis Seedee, Dumrongrojwattana &amp; Poeaim sp. nov.</p><p>Fig. 7</p><p>Type material.</p><p>Holotype: Thailand • <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=99.4708&amp;materialsCitation.latitude=9.1426" title="Search Plazi for locations around (long 99.4708/lat 9.1426)">Wat Pa Kanchanadit</a>, Kadae Subdistrict, Kanchanadit District, Surat Thani Province; 9.1426, 99.4708; November 2023; Kunya Seedee; deposited in the Malacological Collection; catalog no. ZRCBUU 0993; GenBank accession number: PV 157995, SH = 1.41 mm, SW = 1.10 mm, AH = 0.58 mm, AW = 0.51 mm (Fig. 7 A-E, Table 2) . Paratype: Thailand • 4 shells; same locality data as holotype; November 2023; deposited in the same institution as the holotype; catalog no. ZRCBUU 0994; GenBank accession number: PV 157996, SH = 1.39–1.52 mm (1.47 ± 0.08 mm), SW = 1.07–1.10 mm (1.08 ± 0.01 mm), AH = 0.51–0.60 mm (0.57 ± 0.04 mm), AW = 0.48–0.50 mm (0.49 ± 0.01 mm) .</p><p>Diagnosis.</p><p>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.</p><p>Description.</p><p>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).</p><p>Differential diagnosis.</p><p>Acmella kanchanaditensis sp. nov. can be distinguished from A. caelata Vermeulen &amp; Junau, 2007 by its almost invisible radial sculpture. In contrast, in A. caelata, the radial sculpture remains faintly visible in certain areas. Additionally, A. kanchanaditensis sp. nov. has a higher number of whorls. This new species also closely resembles A. changphueakensis sp. nov. in having spiral sculpture, but the spiral rows in A. kanchanaditensis sp. nov. are thinner and more widely spaced. In contrast, A. krueangensis sp. nov. and A. thamsingensis sp. nov. exhibit well-developed radial sculpture, which is lacking in the present species.</p><p>Etymology.</p><p>The specific name kanchanaditensis is derived from Wat Pa Kanchanadit, where this species was discovered.</p><p>Habitat and distribution.</p><p>This species is known only from the study site.</p><p>Ecology.</p><p>The new species is found in caves where no light penetrates, specifically in areas where water seeps through stalactites and stalagmites.</p></div>	https://treatment.plazi.org/id/A47CDAA8EB5B5380A34CAF9CAE148709	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Seedee, Kunya;Dumrongrojwattana, Pongrat;Poeaim, Supattra	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.text	CD7E2B23C4905593A0E0804970919958.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Acmella krueangensis Seedee, Dumrongrojwattana & Poeaim 2025	<div><p>Acmella krueangensis Seedee, Dumrongrojwattana &amp; Poeaim sp. nov.</p><p>Fig. 4</p><p>Type material.</p><p>Holotype: Thailand • <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=98.7646&amp;materialsCitation.latitude=10.3265" title="Search Plazi for locations around (long 98.7646/lat 10.3265)">Phra Krueang Cave</a>, Bang Bon Subdistrict, Kra Buri District, Ranong Province; 10.3265, 98.7646; November 2023; Kunya Seedee; deposited in the Malacological Collection; catalog no. ZRCBUU 0987; GenBank accession number: PV 157989, SH = 1.51 mm, SW = 1.09 mm, AH = 0.58 mm, AW = 0.53 mm (Fig. 4 A – E, Table 2) . Paratype: Thailand • 6 shells; same locality data as holotype; November 2023; deposited in the same institution as the holotype; catalog no. ZRCBUU 0988; GenBank accession number: PV 157990, SH = 0.97–1.55 mm (1.37 ± 0.23 mm), SW = 0.68–1.14 mm (1.01 ± 0.18 mm), AH = 0.39–0.58 mm (0.57 ± 0.07 mm), AW = 0.45–0.56 mm (0.52 ± 0.08 mm) .</p><p>Diagnosis.</p><p>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.</p><p>Description.</p><p>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).</p><p>Differential diagnosis.</p><p>Acmella krueangensis sp. nov. closely resembles A. cyrtoglyphe in general shell sculpture, particularly the presence of both radial and spiral elements. However, A. krueangensis sp. nov. differs by exhibiting more pronounced and evenly spaced radial ribs and a clearer reticulate (net-like) pattern formed by the intersection of radial and spiral elements. In contrast, the other three species possess sculpture dominated by spiral elements with less prominent or absent radial components, resulting in a predominantly spiral pattern rather than a net-like appearance.</p><p>Etymology.</p><p>The specific epithet krueangensis refers to Phra Krueang Cave, the type locality where the new species was discovered.</p><p>Habitat and distribution.</p><p>Currently known only from the type locality, Phra Krueang Cave, Ranong Province, Thailand.</p><p>Ecology.</p><p>This species inhabits dark, moist cave environments characterized by stalactites and stalagmites without evidence of surface water seepage.</p></div>	https://treatment.plazi.org/id/CD7E2B23C4905593A0E0804970919958	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Seedee, Kunya;Dumrongrojwattana, Pongrat;Poeaim, Supattra	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.text	5FE63AB394CA5B429EDC79D2156FBB70.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Acmella thamsingensis Seedee, Dumrongrojwattana & Poeaim 2025	<div><p>Acmella thamsingensis Seedee, Dumrongrojwattana &amp; Poeaim sp. nov.</p><p>Fig. 5</p><p>Type material.</p><p>Holotype: Thailand • <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=99.06&amp;materialsCitation.latitude=10.4256" title="Search Plazi for locations around (long 99.06/lat 10.4256)">WatTham Sing</a>, Tham Sing Subdistrict, Mueang District, Chumphon Province; 10.4256, 99.0600; November 2023; Kunya Seedee; deposited in the Malacological Collection; catalog no. ZRCBUU 0989; GenBank accession number: PV 157991, SH = 1.01 mm, SW = 0.81 mm, AH = 0.41 mm, AW = 0.42 mm (Fig. 5 A – E, Table 2) . Paratype: Thailand • 4 shells; same locality data as holotype; November 2023; deposited in the same institution as the holotype; catalog no. ZRCBUU 0990; GenBank accession number: PV 157992, SH = 1.37–1.43 mm (1.40 ± 0.03 mm), SW = 0.93–1.03 mm (0.98 ± 0.05 mm), AH = 0.46–0.57 mm (0.49 ± 0.05 mm), AW = 0.37–0.49 mm (0.44 ± 0.06 mm) .</p><p>Diagnosis.</p><p>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.</p><p>Description.</p><p>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).</p><p>Differential diagnosis.</p><p>The spiral sculpture of A. thamsingensis sp. nov. is more prominent than that of A. cyrtoglyphe, where it is almost absent. The radial sculpture of A. thamsingensis sp. nov. is limited to the upper part of the whorl, unlike A. cyrtoglyphe, which exhibits a more distinct and complete radial sculpture. Compared to A. krueangensis sp. nov., which has evenly distributed radial sculpture across the shell, A. thamsingensis sp. nov. bears radial elements only on the upper portion of the last whorl. In contrast, A. changphueakensis sp. nov. and A. kanchanaditensis sp. nov. lack radial sculpture.</p><p>Etymology.</p><p>The specific name thamsingensis refers to Wat Tham Sing, where the species was discovered.</p><p>Habitat and distribution.</p><p>This species is only found at the study site.</p><p>Ecology.</p><p>The new species was discovered in aphotic cave zones, inhabiting moist microhabitats where water percolates through the cave walls, approximately 20 m from the entrance.</p></div>	https://treatment.plazi.org/id/5FE63AB394CA5B429EDC79D2156FBB70	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Seedee, Kunya;Dumrongrojwattana, Pongrat;Poeaim, Supattra	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.text	F1317B8D5AA157C5A6BBDC1A0E6950A0.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Acmella W. T. Blanford 1869	<div><p>Genus Acmella W. T. Blanford, 1869</p><p>Type species.</p><p>Cyclostoma tersum Benson, 1853 .</p></div>	https://treatment.plazi.org/id/F1317B8D5AA157C5A6BBDC1A0E6950A0	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Seedee, Kunya;Dumrongrojwattana, Pongrat;Poeaim, Supattra	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
