identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
BF32D47FF96CFFBBFF59623B86F4FE2B.text	BF32D47FF96CFFBBFF59623B86F4FE2B.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia minima M. Rybak 2022	<div><p>Hantzschia minima M.Rybak sp. nov. (Figs 1–15, 46–52)</p> <p>LM observations (Figs 1–15): — Valves dorsiventral with straight or almost straight dorsal margin. Ventral margin weakly concave in middle, becoming slightly convex near apices.Apices abruptly protracted, small and clearly capitate, slightly deflected towards dorsal side. Valve dimensions (n=20): length 17.5–38.5 μm, width 3.5–4.5 μm.</p> <p>Fibulae 5–8 in 10 μm, unequally spaced, middle two fibulae clearly more distant. Striae equidistant, weakly radiate in middle, 22–25 in 10 μm. In some specimens, striae in valve middle slightly more spaced than others (Figs 10, 14). Areolae not discernible.</p> <p>SEM observations (Figs 46–52): — Valves on the ventral side bordered by a clearly thickened keel (Figs 46, 47). Striae composed of round areolae occluded by individual hymens. 49–60 in 10 µm (Figs 47, 51). External central raphe endings slightly deflected, very close together (Fig. 51). Distal raphe endings clearly hooked (Fig. 49). Internally central raphe endings deflected to opposite directions (Fig. 52). Striae forming narrow, deep, parallel grooves (Figs 48, 52). Each fibulae connected to 1–4 transapically costae (Fig. 48).</p> <p>Type:— Indonesia, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=128.37209&amp;materialsCitation.latitude=-3.3629165" title="Search Plazi for locations around (long 128.37209/lat -3.3629165)">Kairatu</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=128.37209&amp;materialsCitation.latitude=-3.3629165" title="Search Plazi for locations around (long 128.37209/lat -3.3629165)">West Seram</a>, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=128.37209&amp;materialsCitation.latitude=-3.3629165" title="Search Plazi for locations around (long 128.37209/lat -3.3629165)">Molouki</a>, 3°21’46.5”S 128°22’19.48”E, coll. date. 28 June 2018, holoslide no. SZCZ28484! and the unmounted material with the same number at the <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=128.37209&amp;materialsCitation.latitude=-3.3629165" title="Search Plazi for locations around (long 128.37209/lat -3.3629165)">Szczecin Diatom Collection</a> (University of Szczecin, Poland), iso - slide no. 2018/445 and the unmounted material with the same number at the University of Rzeszów, Poland. The type population is illustrated on Figs 1–15 and 46–52.</p> <p>Etymology:— The species epithet “ minima ” refers to its small size. Hantzschia minima sp. nov. is one of the smallest species in the genus.</p> <p>Distribution:— So far, the species was only observed from the type locality.</p> <p>Associated diatom flora:— The most abundant taxa in assemblage were: Hantzschia minima sp. nov., Humidophila contenta (Grunow) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bertalot &amp; Kopalová (2014: 357), H. lacunosa (Moser, Lange-Bertalot &amp; Metzeltin) Lowe et al. (2014: 358), Luticola intermedia (Hustedt) Levkov, Metzeltin &amp; Pavlov (2013: 138), L. sublagerheimii Levkov, Metzeltin &amp; Pavlov (2013: 229) and Pinnularia borealis Ehrenberg (1843: 420). The share of Hantzschia tokarczukiana sp. nov. did not exceed 5% in the assemblages.</p> </div>	https://treatment.plazi.org/id/BF32D47FF96CFFBBFF59623B86F4FE2B	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	Mateusz, Rybak;Natalia, Kochman-Kędziora;Muzaky, Luthfi Oktiyas	Mateusz, Rybak, Natalia, Kochman-Kędziora, Muzaky, Luthfi Oktiyas (2022): Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia. Phytotaxa 567 (3): 207-221, DOI: 10.11646/phytotaxa.567.3.1, URL: http://dx.doi.org/10.11646/phytotaxa.567.3.1
BF32D47FF96BFFBBFF5961CD8306F9C7.text	BF32D47FF96BFFBBFF5961CD8306F9C7.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia tokarczukiana M. Rybak, Kochman-Kedziora 2022	<div><p>Hantzschia tokarczukiana M.Rybak, Kochman-Kędziora, sp. nov. (Figs 16–27, 53–60)</p> <p>LM observations (Figs 16–27): — Valves clearly dorsiventral with convex ventral side, in some specimens almost straight in middle. A dorsal side distinctly concave in middle, but convex near apices. Valve apices clearly protracted, rostrate or sub-capitate. Valve dimensions (n=20): length 33.5–93.0 μm, width 5.5–8.0 μm. Width at widest part of valve face: 6.0–8.0 μm. Unequally spaced fibulae, 5–8 in 10 μm, middle two clearly more distant than others. Striae in middle part of valve slightly radiate, becoming parallel to slightly curved toward apices, 17–20 in 10 μm. Areolae not discernible.</p> <p>SEM observations (Figs 53–60): — Valves on ventral side bordered by narrow keel (Figs 53, 54). Irregular ridges of silica present on dorsal side, near junction of valve face and mantle (Figs 53, 56, 59). Striae uniseriate, composed of round areolae occluded by individual hymens, situated in shallow, continuous groove (Figs 53–54, 58–59), 34–40 in 10 µm. Fibulae irregularly shaped. Transapically running grooves interrupted apically near keel (Figs 53, 59). External central raphe endings clearly bent, interruption in raphe slit not visible (Figs 54, 58). Distal raphe endings clearly hooked (Figs 54, 56). Internally, fibulae not equidistant (Fig. 55). Each fibulae connected to 1–4 transapically costae (Fig. 55). Central raphe endings deflected to same direction, close together (Fig. 60). Transapical striae forming narrow, deep, parallel grooves (Figs 55, 60).</p> <p>Type:— Indonesia, Molouki, Kairatu, 3°21’46.5”S 128°22’19.48”E, coll. date. 28 June 2018, holo - slide no. SZCZ28484! and the unmounted material with the same number at the <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=128.37209&amp;materialsCitation.latitude=-3.3629165" title="Search Plazi for locations around (long 128.37209/lat -3.3629165)">Szczecin Diatom Collection</a> (University of Szczecin, Poland), iso - slide no. 2018/445 and the unmounted material with the same number at the University of Rzeszow, Poland. The type population is illustrated on Figs 16–27 and 53–60.</p> <p>Etymology:— The species is named after Polish writer, laureate of the 2018 Nobel Prize in Literature Olga Tokarczuk to honour her work.</p> <p>Distribution:— Observed in few moss samples from West Seram. It was found in moss samples collected from various substrates and habitats like soil on cropped fields, secondary shrublands and concrete wall in city in which they form the largest population (ca. 10% share in assemblage).</p> <p>Associated diatom flora:— H. amphioxys (Ehrenberg) Grunow (in Cleve &amp; Grunow 1880: 103), Hantzschia minima sp. nov., Humidophila contenta (Grunow) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bertalot &amp; Kopalová (2014: 357), H. lacunosa (Moser, Lange-Bertalot &amp; Metzeltin) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bertalot &amp; Kopalová (2014: 358), H. subtropica (Metzeltin, Lange-Bertalot &amp; Garcia-Rodriguez) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bertalot &amp; Kopalová (2014: 354), Luticola intermedia (Hustedt) Levkov, Metzeltin &amp; Pavlov (2013: 138), L. mitis Levkov, Metzeltin &amp; Pavlov (2013: 161) and Pinnularia borealis Ehrenberg (1843: 420).</p> </div>	https://treatment.plazi.org/id/BF32D47FF96BFFBBFF5961CD8306F9C7	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	Mateusz, Rybak;Natalia, Kochman-Kędziora;Muzaky, Luthfi Oktiyas	Mateusz, Rybak, Natalia, Kochman-Kędziora, Muzaky, Luthfi Oktiyas (2022): Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia. Phytotaxa 567 (3): 207-221, DOI: 10.11646/phytotaxa.567.3.1, URL: http://dx.doi.org/10.11646/phytotaxa.567.3.1
BF32D47FF96BFFB9FF5966A981B8F792.text	BF32D47FF96BFFB9FF5966A981B8F792.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia malaysiana M. Rybak 2022	<div><p>Hantzschia malaysiana M.Rybak sp. nov. (Figs 28–37, 61–67)</p> <p>LM observations (Figs 28–37):— Valves distinctly dorsiventral appearing comparatively strongly silicified. Ventral margin slightly convex, dorsal margin slightly more convex in distal parts and concave in middle. Apices protracted, rostrate in small specimens becoming clearly capitate and deflected towards dorsal side in large specimens. Valve dimensions (n=20): length 55.0–130.0 μm, width 9.0–11.5 μm in middle to 9.5–12.0 μm in widest part of the valve face. Fibulae 5–7 in 10 μm, unequally spaced, two middle fibulae clearly more distant. Striae equidistant, weakly radiate in middle, 16–22 in 10 μm. Areolae not discernible.</p> <p>SEM observations (Figs 61–67):— Valves on ventral side bordered by a clearly thickened keel (Figs 61, 65). Striae composed of round areolae occluded by individual hymenes, 36–40 in 10 µm (Fig. 65), forming narrow, parallel grooves, between raised virgae (Figs 61, 65, 67). Striae on valve mantle organized same as on the valve face (Figs 65, 67). External central raphe endings deflected (Fig. 65). Distal raphe endings clearly hooked (Figs 61, 65). Internally, central raphe endings close to each other and deflected to same direction (Fig. 66). Distal raphe endings forming distinct helictoglossae (Fig. 64). Internally, fibulae not equidistant (Fig. 62). Each fibulae connected to 1–6 transapically costae (Fig. 62).</p> <p>Type:— Malaysia, Cameron highlands, Kuala Terla, 4°32’43”N 101°25’16”E, coll. date. 02 July 2016, holo - slide no. SZCZ28482! and the unmounted material with the same number at the <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=101.42111&amp;materialsCitation.latitude=4.5452776" title="Search Plazi for locations around (long 101.42111/lat 4.5452776)">Szczecin Diatom Collection</a> (University of Szczecin, Poland), iso- slide no. 2016/51 and the unmounted material with the same number at the University of Rzeszow, Poland. The type population is illustrated on Figs 28–37 and 61–67.</p> <p>Etymology:— The species epithet refers to the type locality.</p> <p>Distribution:— So far, the species was only observed from the type locality.</p> <p>Associated diatom flora:— The most abundant taxa in the assemblage were: Hantzschia amphioxys (Ehrenberg) Grunow (in Cleve &amp; Grunow 1880: 103), Humidophila contenta (Grunow) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bertalot &amp; Kopalová (2014: 357), H. lacunosa (Moser, Lange-Bertalot &amp; Metzeltin) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bertalot &amp; Kopalová (2014: 358), H. aff. elegans (Moser, Lange-Bertalot &amp; Metzeltin 1998: 144) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bertalot &amp; Kopalová (2014: 358), Fallacia insociabilis (Krasske 1932: 114) D.G.Mann and Geissleria ignota (Krasske 1932: 116) Lange-Bertalot &amp; Metzeltin (1996: 65), Luticola tomesii Moser, Lange-Bertalot &amp; Metzeltin (1998: 198), L. intermedia (Hustedt) Levkov, Metzeltin &amp; Pavlov (2013: 138), L. sublagerheimii Levkov, Metzeltin &amp; Pavlov (2013: 229). Hantzschia malaysiana sp. nov. occurred rarely in analyzed material and only few specimens were observed on each slide.</p> </div>	https://treatment.plazi.org/id/BF32D47FF96BFFB9FF5966A981B8F792	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	Mateusz, Rybak;Natalia, Kochman-Kędziora;Muzaky, Luthfi Oktiyas	Mateusz, Rybak, Natalia, Kochman-Kędziora, Muzaky, Luthfi Oktiyas (2022): Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia. Phytotaxa 567 (3): 207-221, DOI: 10.11646/phytotaxa.567.3.1, URL: http://dx.doi.org/10.11646/phytotaxa.567.3.1
BF32D47FF966FFB4FF5960B1839BFDDB.text	BF32D47FF966FFB4FF5960B1839BFDDB.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia beksinskii M. Rybak, Kochman-Kedziora 2022	<div><p>Hantzschia beksinskii M.Rybak, Kochman-Kędziora sp. nov. (Figs 38–45, 68–74)</p> <p>LM observations (Figs 38–45):— Valves distinctly dorsiventral appearing comparatively strongly silicified. Ventral margins slightly convex, dorsal margins convex in distal parts and concave in the middle. Apices protracted, rostrate and slightly deflected towards dorsal side. Valve dimensions (n=15): length 62.5–92.0 μm, width 7.5–10.5 μm in middle to 8.0–11.5 μm in widest part of valve face. Fibulae 5–6 in 10 μm, unequally spaced, middle two fibulae clearly more distant. Striae equidistant, weakly radiate in the middle, 18–21 in 10 μm. Areolae not discernible.</p> <p>SEM observations (Figs 68–74):— Valves on ventral side bordered by clearly thickened keel with shorted striae (with 2–3 areolae), which are separated from rest of valve face by longitudinal depression (Figs 68, 70, 74). Striae composed of round areolae occluded by individual hymenes, 35–40 in 10 µm (Figs 70, 74), forming narrow, deep, parallel grooves on valve face. Areolae near dorsal margin became more separated and not forming continuous grooves (Figs 68, 70, 74). Striae on valve mantle not forming parallel grooves, separated by not thickened virgae (Fig. 72). External central and distal raphe endings hooked (Figs 68, 70, 72). Internally, fibulae not equidistant (Fig. 69). Each fibulae connected to 1–5 transapically costae (Fig. 69). Central raphe endings deflected to same direction and clearly separated (Fig. 63). Distal raphe endings forming distinct helictoglossae (Figs 69, 71).</p> <p>Type:— Indonesia, Kepulauan Banda, Banda Neira, 4°30’16.98”S 129°53’57.01”E coll. date. 18 June 2018, holo - slide no. SZCZ28483! and the unmounted material with the same number at the <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=129.89917&amp;materialsCitation.latitude=-4.504717" title="Search Plazi for locations around (long 129.89917/lat -4.504717)">Szczecin Diatom Collection</a> (University of Szczecin, Poland), iso- slide no. 2018/432 and the unmounted material with the same number at the University of Rzeszow, Poland. The type population is illustrated on Figs 38–45 and 68–74.</p> <p>Etymology:— The species is named to honour Zdzisław Beksiński (1929–2005), a famous Polish painter, photographer and sculptor.</p> <p>Distribution:— So far, the species is only known from the type locality.</p> <p>Associated diatom flora:— The most abundant taxa in assemblage were: Hantzschia amphioxys (Ehrenberg) Grunow (in Cleve &amp; Grunow 1880: 103), Humidophila pantropica (Lange-Bertalot) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bertalot &amp; Kopalová (2014: 354), Pinnularia borealis Ehrenberg (1843: 420), and unidentified Adlafia sp. and Nitzschia sp. Hantzschia beksinskii sp. nov. occurred rarely in analyzed material and only few specimens were observed on each slide.</p> </div>	https://treatment.plazi.org/id/BF32D47FF966FFB4FF5960B1839BFDDB	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	Mateusz, Rybak;Natalia, Kochman-Kędziora;Muzaky, Luthfi Oktiyas	Mateusz, Rybak, Natalia, Kochman-Kędziora, Muzaky, Luthfi Oktiyas (2022): Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia. Phytotaxa 567 (3): 207-221, DOI: 10.11646/phytotaxa.567.3.1, URL: http://dx.doi.org/10.11646/phytotaxa.567.3.1
BF32D47FF964FFB4FF59625D8022FBFF.text	BF32D47FF964FFB4FF59625D8022FBFF.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Hantzschia amphioxys (Ehrenberg 1843) Grunow	<div><p>Hantzschia amphioxys (Ehrenberg) Grunow (Figs 75–93)</p> <p>Basionym: Eunotia amphioxys (Ehrenberg1843: 413) Grunow (in Cleve &amp; Grunow 1880: 103)</p> <p>Morphology of the observed population: Valves clearly dorsiventral with convex ventral side. Dorsal side distinctly concave in middle, but convex near the apices. Valve apices clearly protracted and sub-capitate. Valve dimensions (n=30): length 23.5–69.5 μm, width 4.5–5.8 μm. Width at widest part of the valve face: 4.6–5.9 μm. Unequally spaced fibulae, 5–11 in 10 μm. Each fibulae connected to 1–4 transapically costae (Figs 89, 92). Striae in middle part of the valve slightly radiate, becoming parallel toward the apices, 23–29 in 10 μm. Areolae not discernible in light microscope (45–50 in 10 μm). Distal raphe endings clearly hooked. Internally, fibulae not equidistant. Central raphe endings deflected to opposite directions.</p> <p>Taxonomic remarks: The observed population (Sample No. 2018/436) was characterized by longer valves comparing with other populations from the literature data (Tab. 2). Nevertheless other features including valve width, striae and areolae density as well as internal and external proximal raphe endings confirm compliance with the current morphological concept of this species.</p></div> 	https://treatment.plazi.org/id/BF32D47FF964FFB4FF59625D8022FBFF	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	Mateusz, Rybak;Natalia, Kochman-Kędziora;Muzaky, Luthfi Oktiyas	Mateusz, Rybak, Natalia, Kochman-Kędziora, Muzaky, Luthfi Oktiyas (2022): Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia. Phytotaxa 567 (3): 207-221, DOI: 10.11646/phytotaxa.567.3.1, URL: http://dx.doi.org/10.11646/phytotaxa.567.3.1
