Abstract
This is a taxonomic study of cymbelloid diatoms from the River Adegoy (Krasnodar Territory, Russia). During the survey 24 taxa were recorded including a new species of Delicatophycus. The morphology of Delicatophycus porosus sp. nov. was examined using light and scanning electron microscopy and compared to nine similar species. The new species can be distinguished from similar taxa by a combination of characters: dorsiventral valves with radiate to parallel striae, broadly rounded apices and apical pore fields. Other species found belong to the genera Cymbella, Cymbopleura, Encyonema, Encyonopsis and Reimeria.
References
Agardh, C.A. (1827) Neue Gattungen und Arten von Algen. Flora 10: 641–646.
Agardh, C.A. (1830) Conspectus criticus diatomacearum. Part 1. Litteris Berlingianis, Lund, 16 pp.
Chudaev, D.A., Jüttner, I. & Levkov, Z. (2021a) The genus Navicula (Bacillariophyceae, Naviculaceae) from the valley of the Adegoy River (Krasnodar Territory, Russia) and description of two new species. Phytotaxa 494: 208–218. https://doi.org/10.11646/phytotaxa.494.2.3
Chudaev, D.A., Jüttner, I. & Van de Vijver, B. (2021b) Fragilaria irregularis sp. nov. a new araphid species (Fragilariaceae, Bacillariophyta) from the River Adegoy, Krasnodar Territory, Russia. Phytotaxa 508: 221–228. https://doi.org/10.11646/phytotaxa.508.2.11
Cleve, P.T. (1894) Synopsis of the Naviculoid Diatoms, Part I. Kongliga Svenska-Vetenskaps Akademiens Handlingar 26: 1–194.
da Silva, W.J., Machado de Souza, M.G. & Barnes Proena, C.E. (2013a) Cymbella neolanceolata sp. nov., a species formerly known as Cymbella lanceolata. Diatom Research 28: 131–138. https://doi.org/10.1080/0269249X.2012.752412
da Silva, W.J., Jahn, R., Veiga Ludwig, T.A. & Menezes, M. (2013b) Typification of seven species of Encyonema and characterization of Encyonema leibleinii comb. nov. Fottea 13: 119–132. https://doi.org/10.5507/fot.2013.011
Elyashev, A.A. (1957) O prostom sposobe prigotovlenia vysokoprelomlyayushchei sredy dlya diatomovogo analiza. Trudy NII geologii Arktiki 4: 74–75.
Glushchenko, A., Kuznetsova, I., Kociolek, J.P. & Kulikoviskiy, M. (2019) Karthickia verestigmata gen. et sp. nov. – an interesting diatom with frustular morphology similar to several different cymbelloid diatom genera. Phycologia 58: 605–613. https://doi.org/10.1080/00318884.2019.1626605
Gogorev, R.M., Chudaev, D.A., Stepanova, V.A. & Kulikovskiy, M.S. (2018) Russian and English terminological glossary on morphology of diatoms. Novosti sistematiki nizshikh rastenii 52: 265–309. https://doi.org/10.31111/nsnr/2018.52.2.265
Graeff, C.L. & Kociolek, J.P. (2013) New or rare species of cymbelloid diatoms (Bacillariophyceae) from Colorado (USA). Nova Hedwigia 97: 87–116. https://doi.org/10.1127/0029-5035/2013/0106
Guiry, M.D. & Guiry, G.M. (2022) AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Available from: http://www.algaebase.org (accessed 6 April 2022)
Hantzsch, C.A. (1860) Neue Bacillarien: Nitzschia vivax var. elongata, Cymatopleura nobilis. Hedwigia 2: 1–40.
Heiberg, P.A.C. (1863) Conspectus criticus Diatomacearum Danicarum. Kritisk Oversigt over De Danske Diatomeer. Wilhelm Priors Forlag, Kopenhagen, Copenhagen, 135 pp. https://doi.org/10.5962/bhl.title.68738
Hornemann, J.W. (1810) Icones plantarum sponte nascentium in Regnis Daniae Norvegiae, et in Ducatibus Slesvici et Holsatiae ad illustrandum opus de iisdem plantis, Regio jussu exarandum, Florae Danicae nomine inscriptum. Typis E.A.H. Mölleri, Hauniae. Vol. 8 (fasc. 22, 23, 24). pls. 1261–1440.
Jüttner, I., Krammer, K., Van de Vijver, B., Tuji, A., Simkhada, B., Gurung, S., Sharma, S., Sharma, C. & Cox, E.J. (2010) Oricymba (Cymbellales, Bacillariophyceae), a new cymbelloid genus and three new species from the Nepalese Himalaya. Phycologia 49: 407–423. https://doi.org/10.2216/09-77.1
Kapustin, D.A., Kociolek, J.P., Glushchenko, A.M. & Kulikovskiy, M.S. (2020) A rediscovery of Cymbella mirabilis Hustedt, a rare endemic diatom, and description of Alveocymba gen. nov. Diatom Research 35: 281–287. https://doi.org/10.1080/0269249X.2020.1772888
Kapustin, D.A., Kulikovskiy, M. & Kociolek, J.P. (2017) Celebesia gen. nov., a new cymbelloid diatom genus from the ancient lake Matano (Sulawesi Island, Indonesia). Nova Hedwigia Beiheft 146: 147–155. https://doi.org/10.1127/1438-9134/2017/147
Kelly, M.G., Adams, C., Graves, A.C., Jamieson, J., Krokowski, J., Lycett, E.B., Murray-Bligh, J., Prichard, S. & Wilkins, C. (2001) The trophic diatom index: a user’s manual. Revised edition. Environment Agency, Bristol, 135 pp.
Kociolek, J.P. & Stoermer, E.F. (1987) Ultrastructure of Cymbella sinuata and its allies (Bacillariophyceae), and their transfer to Reimeria, gen. nov. Systematic Botany 12: 451–459. https://doi.org/10.2307/2418882
Kociolek, J.P., Williams, D.M., Stepanek, J., Liu, Q., Liu, Y., You, Q., Karthick, B. & Kulikovskiy, M. (2019) Rampant homoplasy and adaptive radiation in pennate diatoms. Plant Ecology and Evolution 152: 131–141. https://doi.org/10.5091/plecevo.2019.1612
Kosterin, O.E. & Solovyev, V.I. (2017) Odonata found in mid-summer 2015 and 2016 at the north-westernmost Black Sea Coast of the Caucasus, with the first record of Cordulegaster picta Selys, 1854 in Russian Federation. International Dragonfly Fund–Report 107: 1–43.
Krammer, K. & Lange-Bertalot, H. (1985) Naviculaceae Neue und wenig bekannte Taxa, neue Kombinationen und Synonyme sowie Bemerkungen zu einigen Gattungen. Bibliotheca Diatomologica 9: 1–230.
Krammer, K. (1997a) Die cymbelloiden Diatomeen. Eine Monographie der weltweit bekannten Taxa. Teil 1. Allgemeines und Encyonema Part. Bibliotheca Diatomologica 36: 1–382.
Krammer, K. (1997b) Die cymbelloiden Diatomeen. Ein Monographie der weltweit bekannten Taxa. Teil 2. Encyonema, Encyonopsis and Cymbellopsis. Bibliotheca Diatomologica 37: 1–463.
Krammer, K. (1999) Validierung von Cymbopleura nov. gen. Iconographia Diatomologica 6: 292.
Krammer, K. (2002) Cymbella. In: Lange-Bertalot, H. (Ed.) Diatoms of Europe. Vol. 3. A.R.G. Gantner Verlag K.G., Ruggell, pp. 1–584.
Krammer, K. (2003) Cymbopleura, Delicata, Navicymbula, Gomphocymbellopsis, Afrocymbella. In: Lange-Bertalot, H. (Ed.) Diatoms of Europe. Vol. 4. A.R.G Gantner Verlag K.G., Ruggell, pp. 1–530.
Kützing, F.T. (1834) Synopsis diatomearum oder Versuch einer systematischen Zusammenstellung der Diatomeen. Linnaea 8: 529–620. https://doi.org/10.5962/bhl.title.65634
Kützing, F.T. (1844) Die Kieselschaligen Bacillarien oder Diatomeen. Zu finden bei W. Köhne, Nordhausen, 152 pp. https://doi.org/10.5962/bhl.title.64360
Kützing, F.T. (1849) Species algarum. F.A. Brockhaus, Leipzig, 922 pp.
Lange-Bertalot, H., Hofmann, G., Werum, M. & Cantonati, M. (2017) Freshwater Benthic Diatoms of Central Europe: Over 800 Common Species Used in Ecological Assessment. English edition with updated taxonomy and added species. Koeltz Botanical Books, Schmitten-Oberreifenberg, 942 pp.
Le Cohu, R. & Azémar, F. (2011) Étude morphologique de quelques Cymbellaceae des Pyrénées Françaises incluant la description d’une espèce nouvelle: Delicata couseranensis sp. nov. Cryptogamie Algologie 32: 131–155. https://doi.org/10.7872/crya.v32.iss2.2011.131
Le Cohu, R., Marquié, J. & Tudesque, L. (2019) Three new species of Delicatophycus M.J.Wynne (Gomphonemataceae, Bacillariophyta) from New Caledonia. Notulae algarum 98: 1–2.
Liu, B., Blanco, S. & Lan, Q.Y. (2018) Ultrastructure of Delicata sinensis Krammer et Metzeltin and D. williamsii sp. nov. (Bacillariophyta) from China. Fottea 18: 30–36. https://doi.org/10.5507/fot.2017.009
Liu, B., Zhou, Y.–Y., Blanco, S. & Williams, D.M. (2022) Three new species of Delicatophycus M.J. Wynne (Bacillariophyta) from China, all possessing apical pore fields. Fottea 22: 137–151. https://doi.org/10.5507/fot.2021.020
Nevo, E. & Wasser, S.P. (2000) Cyanoprocaryotes and algae of continental Israel. A.R.G. Gantner Verlag K.-G., Ruggell, 629 pp.
Østrup, E. (1910) Danske Diatoméer med 5 tavler et Engelsk résumé. Udgivet paa Carlsbergfondets bekostning. C.A. Reitzel Boghandel Bianco Lunos Bogtrykkeri, Copenhagen, 323 pp. https://doi.org/10.5962/bhl.title.1044
Patrick, R.M. & Reimer, C.W. (1975) The diatoms of the United States exclusive of Alaska and Hawaii. Volume 2. Part 2. Entomoneidaceae, Cymbellaceae, Gomphonemaceae, Epithemiaceae. Monographs of the Academy of Natural Sciences of Philadelphia 13: 1–213.
Rabenhorst, L. (1853) Die Süsswasser-Diatomaceen (Bacillarien.) für Freunde der Mikroskopie. Eduard Kummer, Leipzig, 72 pp. https://doi.org/10.5962/bhl.title.8348
Rabenhorst, L. (1865) Algen Europa’s, Fortsetzung der Algen Sachsens. Resp. Mittel-Europa’s. Dresden, Dec. 81–82. Nos 1801–1820.
Round, F.E., Crawford, R.M. & Mann, D.G. (1990) The Diatoms. Biology & Morphology of the Genera. Cambridge University Press, Cambridge, 747 pp.
Sala, S.E., Guerrero, J.M. & Ferrario, M.E. (1993) Redefinition of Reimeria sinuata (Gregory) Kociolek & Stoermer and recognition of Reimeria uniseriata nov. sp. Diatom Research 8: 439–446. https://doi.org/10.1080/0269249X.1993.9705273
Schmidt, A. (1875) Atlas der Diatomaceen-kunde. Verlag von Ernst Schlegel, Aschersleben, Series I (Heft 3), pls 9–12. https://doi.org/10.5962/bhl.title.64396
Schmidt, A. (1902) Atlas der Diatomaceen-kunde. O.R. Reisland, Leipzig. Series V (Heft 59–60), pls. 233–240. https://doi.org/10.5962/bhl.title.64396
Van de Vijver, B., Jüttner, I., Gurung, S., Sharma, C., Sharma, S., De Haan, M. & Cox, E.J. (2011) The genus Cymbopleura (Cymbellales, Bacillariophyta) from high altitude freshwater habitats, Everest National Park, Nepal, with the description of two new species. Fottea 11: 245–269. https://doi.org/10.5507/fot.2011.025
Van Heurck, H. (1880) Synopsis des Diatomées de Belgique. Atlas. Ducaju & Cie., Anvers.: 61.
Williams, D.M. (2012) Diatoma moniliforme: commentary, relationships and an appropriate name. Nova Hedwigia, Beiheft 14: 255–261.
Wynne, M.J. (2019) Delicatophycus gen. nov.: a validation of “Delicata Krammer” inval. (Gomphonemataceae, Bacillariophyta). Notulae algarum 97: 1–3.
Agardh, C.A. (1830) Conspectus criticus diatomacearum. Part 1. Litteris Berlingianis, Lund, 16 pp.
Chudaev, D.A., Jüttner, I. & Levkov, Z. (2021a) The genus Navicula (Bacillariophyceae, Naviculaceae) from the valley of the Adegoy River (Krasnodar Territory, Russia) and description of two new species. Phytotaxa 494: 208–218. https://doi.org/10.11646/phytotaxa.494.2.3
Chudaev, D.A., Jüttner, I. & Van de Vijver, B. (2021b) Fragilaria irregularis sp. nov. a new araphid species (Fragilariaceae, Bacillariophyta) from the River Adegoy, Krasnodar Territory, Russia. Phytotaxa 508: 221–228. https://doi.org/10.11646/phytotaxa.508.2.11
Cleve, P.T. (1894) Synopsis of the Naviculoid Diatoms, Part I. Kongliga Svenska-Vetenskaps Akademiens Handlingar 26: 1–194.
da Silva, W.J., Machado de Souza, M.G. & Barnes Proena, C.E. (2013a) Cymbella neolanceolata sp. nov., a species formerly known as Cymbella lanceolata. Diatom Research 28: 131–138. https://doi.org/10.1080/0269249X.2012.752412
da Silva, W.J., Jahn, R., Veiga Ludwig, T.A. & Menezes, M. (2013b) Typification of seven species of Encyonema and characterization of Encyonema leibleinii comb. nov. Fottea 13: 119–132. https://doi.org/10.5507/fot.2013.011
Elyashev, A.A. (1957) O prostom sposobe prigotovlenia vysokoprelomlyayushchei sredy dlya diatomovogo analiza. Trudy NII geologii Arktiki 4: 74–75.
Glushchenko, A., Kuznetsova, I., Kociolek, J.P. & Kulikoviskiy, M. (2019) Karthickia verestigmata gen. et sp. nov. – an interesting diatom with frustular morphology similar to several different cymbelloid diatom genera. Phycologia 58: 605–613. https://doi.org/10.1080/00318884.2019.1626605
Gogorev, R.M., Chudaev, D.A., Stepanova, V.A. & Kulikovskiy, M.S. (2018) Russian and English terminological glossary on morphology of diatoms. Novosti sistematiki nizshikh rastenii 52: 265–309. https://doi.org/10.31111/nsnr/2018.52.2.265
Graeff, C.L. & Kociolek, J.P. (2013) New or rare species of cymbelloid diatoms (Bacillariophyceae) from Colorado (USA). Nova Hedwigia 97: 87–116. https://doi.org/10.1127/0029-5035/2013/0106
Guiry, M.D. & Guiry, G.M. (2022) AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Available from: http://www.algaebase.org (accessed 6 April 2022)
Hantzsch, C.A. (1860) Neue Bacillarien: Nitzschia vivax var. elongata, Cymatopleura nobilis. Hedwigia 2: 1–40.
Heiberg, P.A.C. (1863) Conspectus criticus Diatomacearum Danicarum. Kritisk Oversigt over De Danske Diatomeer. Wilhelm Priors Forlag, Kopenhagen, Copenhagen, 135 pp. https://doi.org/10.5962/bhl.title.68738
Hornemann, J.W. (1810) Icones plantarum sponte nascentium in Regnis Daniae Norvegiae, et in Ducatibus Slesvici et Holsatiae ad illustrandum opus de iisdem plantis, Regio jussu exarandum, Florae Danicae nomine inscriptum. Typis E.A.H. Mölleri, Hauniae. Vol. 8 (fasc. 22, 23, 24). pls. 1261–1440.
Jüttner, I., Krammer, K., Van de Vijver, B., Tuji, A., Simkhada, B., Gurung, S., Sharma, S., Sharma, C. & Cox, E.J. (2010) Oricymba (Cymbellales, Bacillariophyceae), a new cymbelloid genus and three new species from the Nepalese Himalaya. Phycologia 49: 407–423. https://doi.org/10.2216/09-77.1
Kapustin, D.A., Kociolek, J.P., Glushchenko, A.M. & Kulikovskiy, M.S. (2020) A rediscovery of Cymbella mirabilis Hustedt, a rare endemic diatom, and description of Alveocymba gen. nov. Diatom Research 35: 281–287. https://doi.org/10.1080/0269249X.2020.1772888
Kapustin, D.A., Kulikovskiy, M. & Kociolek, J.P. (2017) Celebesia gen. nov., a new cymbelloid diatom genus from the ancient lake Matano (Sulawesi Island, Indonesia). Nova Hedwigia Beiheft 146: 147–155. https://doi.org/10.1127/1438-9134/2017/147
Kelly, M.G., Adams, C., Graves, A.C., Jamieson, J., Krokowski, J., Lycett, E.B., Murray-Bligh, J., Prichard, S. & Wilkins, C. (2001) The trophic diatom index: a user’s manual. Revised edition. Environment Agency, Bristol, 135 pp.
Kociolek, J.P. & Stoermer, E.F. (1987) Ultrastructure of Cymbella sinuata and its allies (Bacillariophyceae), and their transfer to Reimeria, gen. nov. Systematic Botany 12: 451–459. https://doi.org/10.2307/2418882
Kociolek, J.P., Williams, D.M., Stepanek, J., Liu, Q., Liu, Y., You, Q., Karthick, B. & Kulikovskiy, M. (2019) Rampant homoplasy and adaptive radiation in pennate diatoms. Plant Ecology and Evolution 152: 131–141. https://doi.org/10.5091/plecevo.2019.1612
Kosterin, O.E. & Solovyev, V.I. (2017) Odonata found in mid-summer 2015 and 2016 at the north-westernmost Black Sea Coast of the Caucasus, with the first record of Cordulegaster picta Selys, 1854 in Russian Federation. International Dragonfly Fund–Report 107: 1–43.
Krammer, K. & Lange-Bertalot, H. (1985) Naviculaceae Neue und wenig bekannte Taxa, neue Kombinationen und Synonyme sowie Bemerkungen zu einigen Gattungen. Bibliotheca Diatomologica 9: 1–230.
Krammer, K. (1997a) Die cymbelloiden Diatomeen. Eine Monographie der weltweit bekannten Taxa. Teil 1. Allgemeines und Encyonema Part. Bibliotheca Diatomologica 36: 1–382.
Krammer, K. (1997b) Die cymbelloiden Diatomeen. Ein Monographie der weltweit bekannten Taxa. Teil 2. Encyonema, Encyonopsis and Cymbellopsis. Bibliotheca Diatomologica 37: 1–463.
Krammer, K. (1999) Validierung von Cymbopleura nov. gen. Iconographia Diatomologica 6: 292.
Krammer, K. (2002) Cymbella. In: Lange-Bertalot, H. (Ed.) Diatoms of Europe. Vol. 3. A.R.G. Gantner Verlag K.G., Ruggell, pp. 1–584.
Krammer, K. (2003) Cymbopleura, Delicata, Navicymbula, Gomphocymbellopsis, Afrocymbella. In: Lange-Bertalot, H. (Ed.) Diatoms of Europe. Vol. 4. A.R.G Gantner Verlag K.G., Ruggell, pp. 1–530.
Kützing, F.T. (1834) Synopsis diatomearum oder Versuch einer systematischen Zusammenstellung der Diatomeen. Linnaea 8: 529–620. https://doi.org/10.5962/bhl.title.65634
Kützing, F.T. (1844) Die Kieselschaligen Bacillarien oder Diatomeen. Zu finden bei W. Köhne, Nordhausen, 152 pp. https://doi.org/10.5962/bhl.title.64360
Kützing, F.T. (1849) Species algarum. F.A. Brockhaus, Leipzig, 922 pp.
Lange-Bertalot, H., Hofmann, G., Werum, M. & Cantonati, M. (2017) Freshwater Benthic Diatoms of Central Europe: Over 800 Common Species Used in Ecological Assessment. English edition with updated taxonomy and added species. Koeltz Botanical Books, Schmitten-Oberreifenberg, 942 pp.
Le Cohu, R. & Azémar, F. (2011) Étude morphologique de quelques Cymbellaceae des Pyrénées Françaises incluant la description d’une espèce nouvelle: Delicata couseranensis sp. nov. Cryptogamie Algologie 32: 131–155. https://doi.org/10.7872/crya.v32.iss2.2011.131
Le Cohu, R., Marquié, J. & Tudesque, L. (2019) Three new species of Delicatophycus M.J.Wynne (Gomphonemataceae, Bacillariophyta) from New Caledonia. Notulae algarum 98: 1–2.
Liu, B., Blanco, S. & Lan, Q.Y. (2018) Ultrastructure of Delicata sinensis Krammer et Metzeltin and D. williamsii sp. nov. (Bacillariophyta) from China. Fottea 18: 30–36. https://doi.org/10.5507/fot.2017.009
Liu, B., Zhou, Y.–Y., Blanco, S. & Williams, D.M. (2022) Three new species of Delicatophycus M.J. Wynne (Bacillariophyta) from China, all possessing apical pore fields. Fottea 22: 137–151. https://doi.org/10.5507/fot.2021.020
Nevo, E. & Wasser, S.P. (2000) Cyanoprocaryotes and algae of continental Israel. A.R.G. Gantner Verlag K.-G., Ruggell, 629 pp.
Østrup, E. (1910) Danske Diatoméer med 5 tavler et Engelsk résumé. Udgivet paa Carlsbergfondets bekostning. C.A. Reitzel Boghandel Bianco Lunos Bogtrykkeri, Copenhagen, 323 pp. https://doi.org/10.5962/bhl.title.1044
Patrick, R.M. & Reimer, C.W. (1975) The diatoms of the United States exclusive of Alaska and Hawaii. Volume 2. Part 2. Entomoneidaceae, Cymbellaceae, Gomphonemaceae, Epithemiaceae. Monographs of the Academy of Natural Sciences of Philadelphia 13: 1–213.
Rabenhorst, L. (1853) Die Süsswasser-Diatomaceen (Bacillarien.) für Freunde der Mikroskopie. Eduard Kummer, Leipzig, 72 pp. https://doi.org/10.5962/bhl.title.8348
Rabenhorst, L. (1865) Algen Europa’s, Fortsetzung der Algen Sachsens. Resp. Mittel-Europa’s. Dresden, Dec. 81–82. Nos 1801–1820.
Round, F.E., Crawford, R.M. & Mann, D.G. (1990) The Diatoms. Biology & Morphology of the Genera. Cambridge University Press, Cambridge, 747 pp.
Sala, S.E., Guerrero, J.M. & Ferrario, M.E. (1993) Redefinition of Reimeria sinuata (Gregory) Kociolek & Stoermer and recognition of Reimeria uniseriata nov. sp. Diatom Research 8: 439–446. https://doi.org/10.1080/0269249X.1993.9705273
Schmidt, A. (1875) Atlas der Diatomaceen-kunde. Verlag von Ernst Schlegel, Aschersleben, Series I (Heft 3), pls 9–12. https://doi.org/10.5962/bhl.title.64396
Schmidt, A. (1902) Atlas der Diatomaceen-kunde. O.R. Reisland, Leipzig. Series V (Heft 59–60), pls. 233–240. https://doi.org/10.5962/bhl.title.64396
Van de Vijver, B., Jüttner, I., Gurung, S., Sharma, C., Sharma, S., De Haan, M. & Cox, E.J. (2011) The genus Cymbopleura (Cymbellales, Bacillariophyta) from high altitude freshwater habitats, Everest National Park, Nepal, with the description of two new species. Fottea 11: 245–269. https://doi.org/10.5507/fot.2011.025
Van Heurck, H. (1880) Synopsis des Diatomées de Belgique. Atlas. Ducaju & Cie., Anvers.: 61.
Williams, D.M. (2012) Diatoma moniliforme: commentary, relationships and an appropriate name. Nova Hedwigia, Beiheft 14: 255–261.
Wynne, M.J. (2019) Delicatophycus gen. nov.: a validation of “Delicata Krammer” inval. (Gomphonemataceae, Bacillariophyta). Notulae algarum 97: 1–3.