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Hippodonta arctica
Hippodonta – Nametype: orig. des.: Hippodonta lueneburgensis
Geissleria lange-bertalotii – Type: Fluvius Tapajos prope urbem Santa Rem in Brasilia prope supra confluentes cum fluvio Amazonas, Aug 1985, R. Lange-Bertalot (holotype: FR Praep. BRAS-12 METZELTIN)
Stauroneis koeltzii – Type: Bären-Insel, Ellasjoen, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. D022)
Pseudogomphonema plinskii – Type: Bären-Insel, Wattenmeer-Schlick, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-1)
Pseudogomphonema monicae – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-3)
Parlibellus coxiae – Type: Bären-Insel, Wattenmeer-Schlick, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-7)
Parlibellus calvus – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-5)
Naviculadicta pseudofallacia – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-1)
Navicula wasmundii – Type: Bären-Insel, Strand, Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 94 LO 23-5)
Navicula tropicoidea – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-4)
Navicula syvertsenii – Type: Bären-Insel, Wattenmeer-Schlick, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-4)
Navicula moskalii – Type: Bären-Insel, Ellasjoen, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. D022)
Navicula celinei – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-6)
Navicula bjoernoeyaensis – Type: Bären-Insel, Kvalroselvø, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. D037)
Gomphonemopsis lindae – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-2)
Gomphonema kaweckana – Type: Bären-Insel, Kvalroselvø, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. D037-A)
Fragilariopsis humboldtianorum – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-1)
Fragilariopsis bjoernoeyaensis – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-9)
Fragilaria labei – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-3)
Fragilaria barbararum – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-12)
Eunotia michaelis – Type: Bären-Insel, Lysingen, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. D029)
Ephemera bjoernoeyaensis – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-3)
Achnanthes mercurii – Type: Bären-Insel, Wattenmeer-Schlick, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-7)
Achnanthes jan-marcinii – Type: Bären-Insel, Wattenmeer-Schlick, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-2)
Achnanthes hyperboreoides – Type: Bären-Insel, Wattenmeer-Sediment, Jul 1994, J.M. Weslawski (holotype: FR Praep. Bären-Insel No. 40-3)
Gyrosigma limosum – Types: Hythe Marshes, Colne Estuary, Essex, U.K.; grid reference TM 030225, 51°52'N, 0°57'E; 28 October 1992. (holotype: BM; isotypes: ANSP, BRM)
Polysiphonia namibiensis – Types: Engledow v. 11, (BOL); ISOTYPES: Engledow v.19, s. 57 and slide 34, (BOL); Hottentots Bay, Namibia, 7 Jun 1990, H.R. Engledow (holotype: BOL; isotype: BOL)
Polysiphonia kowiensis – Types: Stegenga Sa 1558 (RUH); ISOTYPES: slides Stegenga EC 310 and EC 311 (RUH); epilithic in lagoons along the Kowie estuary, eastern Cape, 27 Jul 1987, Aken, M.E. & H. Stegenga (holotype: RUH; isotype: RUH)
Laurencia peninsularis – Types: Stegenga Sa 2820 (BOL); ISOTYPES: slides Stegenga 1367-1369 (BOL); epilithic in wave-exposed intertidal, material collected at Clovelly, Cape Peninsula, South Africa, 20 Nov 1990, H. Stegenga (holotype: BOL; isotype: BOL)
Dasya echinata – Types: Stegenga Sa 2635 (BOL); ISOTYPES: slides Stegenga 1259, 1260 (BOL); epilithic in the sublittoral fringe, material collected at Brandfontein, Cape Province, South Africa, J.J. Bolton & H. Stegenga (holotype: BOL; isotype: BOL)
Myriogramme eckloniae – Types: Stegenga Sa 2962 (BOL); ISOTYPES: slides Stegenga 1463-1465; 1471-1473 (BOL); epiphytic on Ecklonia maxima (Osbeck) Papenfuss, drift material collected at Muizenberg, Cape Province, South Africa, 1 Jan 1992, H. Stegenga (holotype: BOL; isotype: BOL)
Seagriefia fasciculifera – Types: Stegenga Slide 1180 (BOL); ISOTYPE: Stegenga slide 1181 (BOL); epilithic, collected in the sublittoral at Cape Hangklip, Cape Province, South Africa, Sep 1989, J.J. Jackelman (holotype: BOL; isotype: BOL)
Seagriefia – Nametype: Seagriefia fasciculifera
Callithamnion exiguum – Types: Stegenga Slide 1422 (BOL); ISOTYPE: Stegenga slide 1423 (BOL); epi- and endophytic on Codium papenfussii Silva, material collected at ca. 10 m depth at Betty's Bay, Cape Province, South Africa, 30 Sep 1991, F.A. Kemp (holotype: BOL; isotype: BOL)
Lomentaria diffusa – Types: Stegenga Sa 2797 (BOL); ISOTYPE: slide Stegenga 1326 (BOL); epilithic in the sublittoral fringe, material collected at Kraalbaai, Langebaan Lagoon, Cape Province, South Africa, 21 Aug 1990, J.J. Bolton & H. Stegenga (holotype: BOL; isotype: BOL)
Botryocladia paucivesicaria – Types: Stegenga Sa 2666 (BOL); ISOTYPES: slides Stegenga 1271, 1272 and 1273 (BOL); drift material collected at Noordhoek, Cape Peninsula, South Africa, 20 Dec 1989, R.J. Anderson (holotype: BOL; isotype: BOL)
Rhodoglossum alcicorne – Types: Stegenga Sa 2610 (BOL); ISOTYPES: slides Stegenga 1237, 1238 (BOL); epilithic in the intertidal, collected at Hout Bay, Cape Peninsula, South Africa, 13 Dec 1986, R.J. Anderson (holotype: BOL; isotype: BOL)
Gelidium applanatum – Types: Stegenga Slide 1479 (BOL); ISOTYPE: Stegenga slide 1480 (BOL); growing on Pyura stolonifera material collected from about 15 m depth at Vulcan Rock, off Hout Bay, Cape Peninsula, South Africa, 15 Jan 1992, R.J. Anderson (holotype: BOL; isotype: BOL)
Colaconema panduripodium – Types: Stegenga Slide 1165 (BOL); ISOTYPE: slide Stegenga 1166 (BOL); epiphytic on Desmaristia firma Skottsberg; drift material collected at Hondeklipbaai, Cape Province, South Africa, 19 Jan 1989, J.J. Bolton, G.J. Levitt & H. Stegenga (holotype: BOL; isotype: BOL)
Porphyra saldanhae – Types: Stegenga Sa 2098 (BOL); ISOTYPE: slide Stegenga 1039 (BOL); epiphytic in the lower intertidal, material collected at Yzerfontein, Cape Province, South Africa, J.J. Bolton & H. Stegenga (holotype: BOL; isotype: BOL)
Membranella africana – Types: Stegenga Sa 2356 (BOL); ISOTYPE: slide Stegenga 1140 (BOL); epiphytic on Anthophycus longifolius (Turner) Kuetzing material collected in the sublittoral fringe at the Cape of Good Hope, South Africa, 22 Dec 1988, J.J. Bolton & H. Stegenga (holotype: BOL; isotype: BOL)
Bryopsis eckloniae – Type: Stegenga Sa 2920 (BOL); epiphytic on Ecklonia maxima (Osbeck) Papenfuss, drift material collected at Muizenberg, Cape Province, South Africa, 24 Nov 1991, H. Stegenga (holotype: BOL)
Cocconeis therezienii – Types: Antarctica, Lac Supérieur (Studer), îles Kerguelen, benthos, 26 Jul 1975, P. Maire (holotype: BR BR-4543); Antarctica, Port Raymond, îles Kerguelen, collected from submerged mosses in a small river, 6 Feb 1998, B. Van de Vijver (paratype: BR BR-4544)
Cocconeis therezieni – Type: Antarctica, Lac Supérieur (Studer), îles Kerguelen, benthos, 26 Jul 1975, P. Maire (holotype: BR BR-4543)
Ulnaria acuscypriacus – Types: Cyprus, River Garyllis (holotype: TR cLIM004 DIAT 2136; isotypes: ANSP GC14461, ANSP GCM15147, ANSP GCM15148, B 40 0041532, B 40 0041533, B 40 0041534)
Synedra monodii
Ulnaria monodii
Mastogloia senegalensis – Types: Senegal, Lac de Guiers, alt. 3 m, 16°13'30"N, 15°50'27.6"W, 10 Mar 2017, B. Van de Vijver SEN-42 (holotype: BR 4500; isotype: PLP 334)
Glenodinium foliaceum – Type: Germany, Mecklenburg-Vorpommern, Wismar, probably late summer 1879, 1879, F. Stein s. n. (lectotype: [icon] in Stein 1883: pl. III 24)