identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
03D59E28FFBCFFDFFF5A40882A7DF980.text	03D59E28FFBCFFDFFF5A40882A7DF980.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia pseudobardii You & Kociolek 2015	<div><p>Hantzschia pseudobardii Q-M You &amp; J. P. Kociolek, sp. nov. (Figs 1–13; figure 3 = holotype)</p> <p>Valves asymmetrical to the apical axis. Ventral margins slightly concave at center, slightly convex at the poles. Dorsal margins with similar angle of bend to the ventral margins along most of the length of the valves except at the apices. Valve poles with obvious “shoulders”; poles obliquely cuneate and finally protracted, commonly narrow-rostrate, with a little bend to dorsal margins. Length 105–125 μm, breadth 9–11 μm. Fibulae, 5–7 in 10 μm, almost equidistant, the median two more distant than the others, each of them connected with 1 transapical costa (Fig. 12). External raphe branches straight and continuous in valve center (Figs 9, 10); internal raphe branches not detected clearly in SEM. Striae parallel throughout, some slightly radiate in the center, 16–18 in 10 μm. Striae puncta not discernible in LM. In SEM, puncta appear as small, rounded poroids (Figs 9 –13), c. 26–32 in 10 μm. Helictoglossae prominent and aligned with the raphe at both ends of the valve interior (Fig. 13).</p> <p>Type: — CHINA. Akesu (SHTU, slide XJ-010116! Holotype = Figure 3).</p> <p>Etymology:— The specific epithet reflects its similarity to H. bardii Lange-Bertalot (in Lange-Bertalot et al. 2003: 54).</p> <p>Distribution and ecology:— Found in samples 010116, 010181 and 071054.</p> <p>Observations:— Based on its valve outline, H. pseudobardii most closely resembles H. bardii. There are distinct differences between the two in outline, as H. pseudobardii has clear “shoulders” on the dorsal margins (see arrow in Fig. 3), while the “shoulders” in H. bardii ’s in the corresponding part of the valve are weakly developed. The two species also differ in several morphometric features (see Table 1). For example, H. pseudobardii is larger and broader, and has lower striae density, fewer number of puncta per 10 μm.</p> </div>	https://treatment.plazi.org/id/03D59E28FFBCFFDFFF5A40882A7DF980	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.		Plazi	You, Qingmin;Kociolek, John Patrick;Wang, Quanxi	You, Qingmin, Kociolek, John Patrick, Wang, Quanxi (2015): The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China. Phytotaxa 197 (1): 1-14, DOI: 10.11646/phytotaxa.197.1.1, URL: http://dx.doi.org/10.11646/phytotaxa.197.1.1
03D59E28FFBDFFD8FF5A46CF29F1FD10.text	03D59E28FFBDFFD8FF5A46CF29F1FD10.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia sinensis You & Kociolek 2015	<div><p>Hantzschia sinensis Q-M You &amp; J. P. Kociolek, sp. nov. (Figs 14–25; figure 16 = holotype)</p> <p>Valves not obviously asymmetrical to the apical axis. Ventral and dorsal margins all straight throughout but with slight depression in the middle of both margins. Ends obliquely cuneate and apices slightly protracted, commonly narrow-rostrate, not bent towards either margin. Length 50–90 μm, breadth 8–10 μm. Fibulae 8–9 in 10 μm, but not equidistant, median two slightly more distant than the others, each of them connected with 1 (rarely 2–4) transapical costa(e). External raphe branches straight and continuous in the middle of the valve (Fig. 22), while internal raphe branches not continuous and slightly deflected to dorsal margin (Fig. 23). Striae parallel throughout, 16–18 in 10 μm. Striae puncta not discernible in LM. In SEM, puncta appear as small, rounded poroids (Figs 22–25), c. 30–36 in 10 μm. Helictoglossae prominent and aligned with raphe at both ends of the valve interior (Fig. 25).</p> <p>Type:— CHINA. Shache (SHTU, slide XJ-071054! Holotype = figure 16).</p> <p>Etymology:— The specific epithet is named for China.</p> <p>Distribution and ecology:— Hantzschia sinensis was found in the same habitats as H. pseudobardii in samples 010116, 010181 and 071054.</p> <p>Observations::— H. sinensis is most similar to H. acuticapitata (Zidarova et al. 2010: 324) in outline and dimensions, although H. sinensis is slightly longer and wider than H. acuticapitata. The two species have some differences in valve structure, for example H. sinensis has a lower striae density and fewer number of puncta per 10 μm (see Table 2).</p> </div>	https://treatment.plazi.org/id/03D59E28FFBDFFD8FF5A46CF29F1FD10	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.		Plazi	You, Qingmin;Kociolek, John Patrick;Wang, Quanxi	You, Qingmin, Kociolek, John Patrick, Wang, Quanxi (2015): The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China. Phytotaxa 197 (1): 1-14, DOI: 10.11646/phytotaxa.197.1.1, URL: http://dx.doi.org/10.11646/phytotaxa.197.1.1
03D59E28FFBBFFDBFF5A44AF2880FEC3.text	03D59E28FFBBFFDBFF5A44AF2880FEC3.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia yili You & Kociolek 2015	<div><p>Hantzschia yili Q-M You &amp; J. P. Kociolek, sp. nov. (Figs 26–39; figure 27 = holotype)</p> <p>Valves distinctly asymmetrical to the apical axis. Ventral margins almost straight throughout, slightly concave at center. Dorsal margins slightly convex, poles obliquely cuneate and narrowly protracted, straight narrowly-rostrate. Length 54–89 μm, breadth 7–8 μm. Fibulae, 6–9 in 10 μm, almost equidistant, the median two clearly more distant than the others, each of them mostly connected with 1–2 transapical costae, rarely with 3, primarily at center. External raphe branches are unilaterally bent, continuous in valve center (Fig. 35); internal raphe branches not continuous, central raphe endings slightly deflected to dorsal margin (Fig. 36). Striae parallel throughout, 17–18 in 10 μm. Striae puncta not discernible in LM. In SEM, puncta appear as small, rounded poroids (Figs 35–39), c. 36–44 in 10 μm; puncta extend from one margin of the valve to the other. Helictoglossae prominent and aligned with the raphe at both ends of the valve interior at both poles (Fig. 39).</p> <p>Type:— CHINA. Chabuchaer. (SHTU, slide XJ-010181! Holotype illustrated in figure 27).</p> <p>Etymology:— The specific epithet refers to the Yili River; this species is only found there.</p> <p>Distribution and ecology:— Yili River, Chabuchaer, Xinjiang, China. Altitude 600m, pH 8.2, collected in the wetland near the Yili River.</p> <p>Observations:— Hantzschia yili is relatively similar to H. angusta Lange-Bertalot (2003: 52) in valve outline; these two species may easily be confused with each other in LM. Hantzschia yili is wider and has a lower striae density than H. angusta (see Table 3).</p> </div>	https://treatment.plazi.org/id/03D59E28FFBBFFDBFF5A44AF2880FEC3	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.		Plazi	You, Qingmin;Kociolek, John Patrick;Wang, Quanxi	You, Qingmin, Kociolek, John Patrick, Wang, Quanxi (2015): The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China. Phytotaxa 197 (1): 1-14, DOI: 10.11646/phytotaxa.197.1.1, URL: http://dx.doi.org/10.11646/phytotaxa.197.1.1
03D59E28FFB9FFD4FF5A434F2A5EFD2D.text	03D59E28FFB9FFD4FF5A434F2A5EFD2D.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia subrobusta You & Kociolek 2015	<div><p>Hantzschia subrobusta Q-M You &amp; J. P. Kociolek, sp. nov. (Figs 40–46; figure 42 = holotype)</p> <p>Valves distinctly asymmetrical to the apical axis. Ventral margins obviously concave at center, slightly convex at poles. Dorsal margins smoothly convex throughout with similar angles of bend at ventral margins along most of valve except poles. Ends protracted, narrowly-rostrate. Length 165–205 μm, breadth 12–14 μm. Fibulae, 4–6 in 10 μm, not equidistant, the median two are more distant than the others, each of them mostly connected with 1–2, rarely 3–5, transapical costae. External raphe branches continuous in the valve middle (Fig. 45), undetected internally with SEM. Striae parallel throughout, 14–17 in 10 μm. Striae puncta not discernible in LM. In SEM puncta appear as small, rounded poroids (Figs 44–46), c. 30–38 in 10 μm, extending from one margin to the other even at the fibulae (Fig. 45).</p> <p>Type:— CHINA. Chabuchaer. (SHTU, slide XJ-010181! Holotype illustrated in figure 42)</p> <p>.</p> <p>Etymology:— The specific epithet reflects its similarity to H. amphioxys var. robusta Østrup.</p> <p>Distribution and ecology:— Yili River, Chabuchaer, Xinjiang, China. Altitude 600m, pH 8.2, collected in the wetland near the Yili River.</p> <p>Observations:— This is a rare taxon. It is most similar to H. amphioxys var. robusta Østrup (1910: 249), while there are differences relative to the valve dimensions and number of costae connected fibula. Specimens from Xinjiang are relatively shorter and narrower when compared to specimens from European populations. Moreover, Xinjiang’s specimens are similar to H. alkaliphila (Lange-Bertalot et al. 2003), but the two differ mainly in outline, valve breadth and interior striae arrangement near the fibulae (Table 4).</p> </div>	https://treatment.plazi.org/id/03D59E28FFB9FFD4FF5A434F2A5EFD2D	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.		Plazi	You, Qingmin;Kociolek, John Patrick;Wang, Quanxi	You, Qingmin, Kociolek, John Patrick, Wang, Quanxi (2015): The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China. Phytotaxa 197 (1): 1-14, DOI: 10.11646/phytotaxa.197.1.1, URL: http://dx.doi.org/10.11646/phytotaxa.197.1.1
03D59E28FFB6FFD4FF5A45AE2B36F92D.text	03D59E28FFB6FFD4FF5A45AE2B36F92D.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia vivacior Lange-Bertalot 1993	<div><p>Hantzschia vivacior Lange-Bertalot (1993: 86–87) (Figs 47–57)</p> <p>Valves distinctly asymmetrical to the apical axis. Ventral margins obviously concave in the middle, convex at poles. Dorsal margins smoothly convex throughout, poles protracted, narrowly-rostrate to small capitate. Length 77–126 μm, breadth 9.5–12.5 μm. Fibulae, 4–6 in 10 μm, almost equidistant, the median two more distant than the others, each of them connected with 1–2 transapical costae. External raphe branches continuous in valve center, while internal raphe branches have central raphe endings. Striae parallel throughout, 13–16 in 10 μm. Striae puncta not discernible in LM. In SEM, puncta appear as small, rounded poroids, c. 34–38 in 10 μm; no puncta on fibulae (Figs 56, 57).</p> <p>Type: —Praep. Hu 17 in Coll. Lange-Bertalot (ex Coll. Hustedt), Botanisches Institut, University of Frankfurt, Germany.</p> <p>Distribution and ecology:— Hantzschia vivacior was found in samples 010116 and 071054 co-occurring with H. pseudobardii a nd H. sinensis.</p> <p>Observations:— The specimens of Hantzschia vivacior found in Xinjiang has some differences from the specimens reported in Lange-Bertalot (1993) and Lange-Bertalot et al. (2003), as well as differences from H. subvivacior (Table 5) (Lange-Bertalot et al. 2003: 68).</p> </div>	https://treatment.plazi.org/id/03D59E28FFB6FFD4FF5A45AE2B36F92D	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.		Plazi	You, Qingmin;Kociolek, John Patrick;Wang, Quanxi	You, Qingmin, Kociolek, John Patrick, Wang, Quanxi (2015): The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China. Phytotaxa 197 (1): 1-14, DOI: 10.11646/phytotaxa.197.1.1, URL: http://dx.doi.org/10.11646/phytotaxa.197.1.1
03D59E28FFB7FFD6FF5A470F287BFEAF.text	03D59E28FFB7FFD6FF5A470F287BFEAF.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia nitzschioides Lange-Bertalot, Cavacini, Tagliaventi & Alfinito 2003	<div><p>Hantzschia nitzschioides Lange-Bertalot, Cavacini, Tagliaventi &amp; Alfinito (2003: 62) (Figs 58–66)</p> <p>Valves not distinctly asymmetrical to the apical axis, more or less twisted or sigmoid. Ventral margins straight or slightly convex, dorsal margins straight to slightly convex. Poles taper to obliquely cuneate to subcapitate apices. Length 84.5–97.5 μm, breadth 7.0–8.5 μm. Fibulae, 6–7(8) in 10 μm, almost equidistant, the median two slightly more distant than the others, each of them mostly connected with a single transapical costa. External raphe branches continuous, internal raphe branches not detected in the SEM. Striae parallel throughout, 15–17 in 10 μm. Striae puncta not discernible in LM. In SEM, puncta appear as small, rounded poroids, c. 41–42 in 10 μm, depressed on external valve (Fig. 66).</p> <p>Type:— Praep. No. Eu-I- 107 in Coll. Lange-Bertalot, Botanisches Institut, University of Frankfurt a.M., Germany.</p> <p>Distribution and ecology:— Found in sample 071054.</p> <p>Observations:— This species is uncommon and may be mistaken for a species of Nitzschia rather than be confused with any other known taxon of Hantzschia (Lange-Bertalot, 2003), because the valve outline is more similar to those in species of “ Nitzschia ”: valves are almost symmetrical to the apical axis, without “shoulders” on the dorsal margins (see arrow in Fig. 3). The specimens found in Xinjiang also have slight differences in valve features from the type (Table 6).</p> </div>	https://treatment.plazi.org/id/03D59E28FFB7FFD6FF5A470F287BFEAF	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.		Plazi	You, Qingmin;Kociolek, John Patrick;Wang, Quanxi	You, Qingmin, Kociolek, John Patrick, Wang, Quanxi (2015): The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China. Phytotaxa 197 (1): 1-14, DOI: 10.11646/phytotaxa.197.1.1, URL: http://dx.doi.org/10.11646/phytotaxa.197.1.1
