Chytrid Taxonomy since 1960 S—Z
A-B C D-E G-L M-O P R
Scherffeliomyces appendiculatus (Zopf) Sparrow 1936 Ξ Dangeardia appendiculata (Zopf) Batko; Acta Mycol. 6: 407–435. 1970
Scherffeliomyces leptorrhizus Johns 1956 Ξ Dangeardiana leptorrhiza (Johns) A. Batko; Acta Mycol. 6: 407–435. 1970
SCHERFFELIOMYCOPSIS Geitler [Chytridiales]; Oesterr. Bot. Z. 109: 205–275. 1962
Scherffeliomycopsis coleochaetis Geitler; Oesterr. Bot. Z. 109: 250–275, figs. 1–8. 1962;
Parasitic ?; Coleochaete soluta et irregula; littoral; Lunzer Untersee, lower AUSTRIA
SEPTOCHYTRIACEAE S.E. Mozley-Standridge [Cladochytriales] MycoBank no.: 512008. Mycological Research 113: 498–507. 2009. Type: Septochytrium variable Berdan 1939
Septochytrium willoughbyi I.J. Dogma; Nova Hedwigia 24: 367–377, figs. 1–22. 1973;
Saprophytic; lens paper, onion skin & cellophane; soil; virgin forest, Rondonia, BRAZIL
SEPTOSPERMA Whiffen ex Seymour [Chytridiales]; Mycologia 63: 83–93, 1971 Ξ Septosperma Whiffen 1942 (no Latin diagnosis); See Blackwell & Powell for nomenclatural review; Mycotaxon 42: 43–52. 1991
Septosperma anomalum (IF 6:291) (Couch) Whiffen ex Seymour; Mycologia 63: 83–93, 1971 Ξ Septosperma anomala (Couch) Whiffen 1942. (genus not valid when combination made)
Septosperma irregulare (IF 4:318) (Karling) I.J. Dogma; Nova Hedwigia 25: 121–141. 1974
Ξ Asterophlyctis irregularis Karling 1967
Septosperma multiforma Canter; species described before genus validated; Trans. Brit. Mycol. Soc. 46: 305–320, figs. 4–7. 1963; Parasitic; developing cysts of algae; lakes; E.L.D., U.K.; Ξ Septosperma multiforma Canter ex Milanez; Rickia 6: 63–70. 1974
Septosperma rhizophidii Whiffen ex R.L. Seymour; Mycologia 63: 83–93, 1971. Ξ Septosperma rhizophidii Whiffen 1942 nomen nudum; (IF 6:291); Emended by W. Blackwell and M. Powell; Mycotaxon 42: 43–52. 1991
Septosperma spinosa Willoughby; species described before genus validated; Arch. Mikrobiol. 52: 101–131, fig. 5 a–h, 1965; Parasitic; Rhizophydium coronum; heath; VICTORIA, AUSTRALIA; Ξ Septosperma spinosa Willoughby ex Milanez; Rickia 6: 63–70. 1974
Siphonaria variabilis Petersen 1903; Emended by I.J. Dogma; Nova Hedwigia 25: 107–119. 1974
Solutoparies Whiffen 1942. W.H. Blackwell and M.J. Powell, 1998. Nomenclatural validation of (Solutoparies, Chytridiomycetes). Mycotaxon 67: 463—467.
SONORAPHLYCTIDACEAE Letcher [Rhizophlyctidales] P.M. Letcher et al. Mycological Research, 112: 1031–1048. 2008
SONORAPHLYCTIS Letcher [Sonoraphlyctidaceae; MycoBank no.: MB 511798] P.M. Letcher et al. Mycological Research, 112: 1031–1048. 2008
Type species is S. ranzonii.
Sonoraphlyctis ranzonii Letcher: MycoBank 511801. P.M. Letcher et al. Mycological Research, 112: 1031–1048. 2008
Type figs are in Letcher et al. 2008, Mycol. Res. 112:1035 figs 3A-H, 1039 6B, 1041 8A-E. Culture BR 060-holotypus deposited in DAOM as BR 060 and at CBS as 278.76
SOROCHYTRIACEAE Dewel [Blastocladiomycota, Blastocladiales]; Canad. J. Bot. 63: 1525–1534. 1985
SOROCHYTRIUM Dewel [Sorochytriaceae]; Canad. J. Bot. 63: 1525–1534. 1985
Sorochytrium milnesiophthora Dewel; Canad. J. Bot. 63: 1525–1534, figs. 1–36. 1985;
Parasitic; tardigrade (Milnesium tardigradum) on moss; bridge & wall; VIRGINIA, USA
SPARROWIA Willoughby [Chytridiales]; Nova Hedwigia, 5: 335–340. 1963; Emended by I.J. Dogma; Nova Hedwigia 19: 503–509. 1970
Sparrowia parasitica Willoughby; Nova Hedwigia 5: 335–340. Pl. 52. 1963;
Parasitic; oogonia of a watermold; soil; north of Thirlmere, E.L.D., U.K.
Sparrowia subcruciformis I.J. Dogma; Nova Hedwigia, 19: 503–509, figs. 1–16. 1970;
Parasitic; various chytrids; forest soil, leaf litter; Cross Village, MICHIGAN, USA
SPARROWMYCES in S.N. Dasgupta; Indian Phytopathol. 35: 206. 1982; ? nomen nudum
Sparrowmyces sparrowii in S.N. Dasgupta; Indian Phytopathol. 35: 206. 1982; ? nomen nudum
Sphaerita dinobryi (IF 3:516) Canter; J. Elisha Mitchell Sci. Soc. 84: 56–61, fig. 1, & Pl. 1,2. 1968;
Parasitic; Dinobryon sertularia; lakes; E.L.D., U.K.
SPIZELLOMYCES D.J.S. Barr [Spizellomycetales, Spizellomycetaceae]; Canad. J. Bot. 58: 2380–2394. 1980 (= Phlyctochytrium in part)
Spizellomyces acuminatus (D.J.S. Barr) D.J.S. Barr; Canad. J. Bot. 62: 1171–1201. 1984;
Ξ Phlyctochytrium acuminatum Barr 1969; = P. africanum Gaertner 1954
Spizellomyces dolichospermus D.J.S. Barr; Canad. J. Bot. 62: 1171–1201, figs. 92–100. 1984;
Saprobic; pollen?; soils; widespread
Spizellomyces kniepii Gaertner ex D.J.S. Barr; Canad. J. Bot. 62: 1171–1201. 1984;
Saprobic; fly legs; grows on pollen; soil; REPUBLIC OF SOUTH AFRICA
Ξ Phlyctochytrium kniepii Gaertner 1954 (not valid)
Spizellomyces lactosolyticus D.J.S. Barr; Canad. J. Bot. 62: 1171–1201, figs. 101–109. 1984;
Saprobic; pollen; soils; CANADA
Spizellomyces palustris Gaertner ex D.J.S. Barr; Canad. J. Bot. 62: 1171–1201. 1984;
Saprobic; pollen; ditch, Holsburg Moor, GERMANY; CANADA Ξ Phlyctochytrium palustre Gaertner, 1954 (not valid)
Spizellomyces plurigibbosus (D.J.S. Barr) D.J.S. Barr; Canad. J. Bot. 62: 1171–1201. 1984
Ξ Phlyctochytrium plurigibbosum D. Barr 1969
Spizellomyces pseudodichotomus D.J.S. Barr; Canad. J. Bot. 62: 1171–1201, figs. 110–120. 1984;
Saprobic; pollen; soils; CANADA, U.K., and MEXICO
ΞGallinipes pseudodichotomus (D.J.S. Barr) Letcher & M.J. Powell MycoBank 822137
Spizellomyces punctatus(Koch) D.J.S. Barr; Canad. J. Bot. 58: 2380–2394. 1980;
Ξ Phlyctochytrium punctatum Koch 1957; = Phlyctochytrium verruculosum Knox 1971; = P. peruvianum Knox 1971; D.J.S. Barr; Canad. J. Bot., 62: 1171–1201, figs. 110–120. 1984
SPIZELLOMYCETACEAE D.J.S. Barr [Spizellomycetales]; Canad. J. Bot. 58: 2380–2394. 1980;
See D.J.S. Barr: 1984; Canad. J. Bot. 62: 1171–1201; + key to genera
SPIZELLOMYCETALES D.J.S. Barr; Canad. J. Bot., 58: 2380-2394. 1980 = Chytridiales sensu Sparrow (in part);
Emended; D.J.S. Barr; Canad. J. Bot. 61: 295–307. 1983. Caulochytrium and Olpidium now are not included in this order, but considered incertae sedis. See: D.S. Hibbett et al. Mycological Research 111: 509–547. 2007; The Rhizophlyctis rosea clade is now the Rhizophlyctidales Letcher and Rozella is in the Cryptomycota M.D.M. Jones & T.A. Richards, MycoBank no.: 563383.
Sporophlyctidium neustonicum Sparrow; Mycologia 70: 140–149, figs. 15–25. 1978;
Parasitic; Living pine pollen; neuston; Newnan’s Lake, FLORIDA, USA
Staurastromyces oculus S. Van den Wyngaert, K. Seto & K. Rojas. MycoBank no.: 819823. Protist 168: 392-407. 2017. Parasite of Staurastrum sp. (Desmidiaceae) Lake Stechlin, GERMANY
STAURASTROMYCES S. Van den Wyngaert, K. Seto & K. Rojas-Jimenez. MycoBank no.: 819822. [Staurastromycetaceae] Protist 168: 392-407. 2017.
STAURASTROMYCETACEAE S. Van den Wyngaert, K. Seto & K. Rojas. MycoBank no.: 819821. [Rhizophydiales] Protist 168: 392-407. 2017.
Synchytrium plant parasites not included in this bibliography; see Karling, J.S. 1964. Synchytrium. Academic Press, New York.
Synchytrium microbalum Longcore, DR Simmons & Letcher; MycoBank No. MB817291. Fungal Biology 120: 1156-1164. 2016; Saprobic, nutrient agar; small acidic lake; Hancock County, Maine, USA
SYNCHYTRIALES emend Doweld AB, 2014. Index Fungorum no 92, 2014; MycoBank No.: 550404. Emended by Longcore, DR Simmons and Letcher to be the least inclusive clade of the Chytridiomycetes that includes Synchytrium taraxaci and Synchytrium species included in James et al. (2006; as the Synchytrium clade)
SYNCHYTRIACEAE emend J Schr€ot., in Engler & Prantl, Nat. Pflanzenfam., Teil. I (Leipzig) 1: 71, 1892; MycoBank No.: 81448. Emended by Longcore, DR Simmons and Letcher to be the least inclusive clade of the Chytridiomycetes that includes Synchytrium taraxaci and the Synchytrium species included in James et al. (2006; as the Synchytrium clade).
TAHROMYCES Hanafy, Vikram B. Lanjekar, Prashant K. Dhakephalkar, T.M. Callaghan, Dagar, G.W. Griff., Elshahed & N.H. Youssef [Neocallimastigomytcota] MycoBank MB830865. Mycologia 2020
Tahromyces munnarensis Hanafy, Vikram B. Lanjekar, Prashant K. Dhakephalkar, T.M. Callaghan, Dagar, G.W. Griff., Elshahed & N.H. Youssef MycoBank MB830866. Mycologia 2020. Feces of Nilgiri tahr (Nilgiritragus hylocrius); KERALA, INDIA
TERRAMYCETACEAE Letcher [Rhizophydiales] P.M. Letcher et al. Mycological Research 110: 898–915, 2006
TERRAMYCES Letcher [Rhizophydiales; Terramycetaceae]; Mycological Research 110: 898–915, 2006
Terramyces subangulosum (A. Braun) Letcher Ξ Chytridium subangulosum A. Braun, Abhandl. Berlin Akad.: 44 (1855). Type: Braun pl.3, figs 27–31 (1855-holotype) Epitype from culture of PL 003, Letcher et al. Mycol. Res. 110: 907, figs. 3A–D, 909 fig 5 (2006); Epitype saprobic, pollen bait; forest soil, Goshen Wildlife Management Area, Lexington, VIRGINIA, USA.
Terramyces chiangraiensis V.G. Hurdeal & E. Gentekaki. MycoBank No. 844705. MycoBank no.: 844703. Molecular Phylogenetics and Evolution 180: 107706. 2023
Saprobic; pollen bait; soil sample, Mae Fah Luang District, Chiang Rai Province, THAILAND.
THALASSOCHYTRIACEAE Doweld IF550349 Index Fungorum no. 51. 2014
Appears to be named without studying the single genus and single species in the newly named family.
THALLASOCHYTRIUM Nyvall et al. [Chytridiomycota; does not fit in any described order; probably related to
Coenomyces von Deckenbach]; J. Phycol. 35: 176–185. 1999
Thallasochytrium gracillariopsidis Nyvall et al. J. Phycol. 35: 176–185, figs. 1–24. 1999.
Parasitic; Living in Gracilariopsis sp.; marine; Zhan Shan Bay, Qindao, PEOPLES REPUBLIC OF CHINA
THOREAUOMYCES D.R. Simmons and Longcore [Spizellomycetales, Powellomycetaceae] MycoBank no.: 564194. Mycologia 104: 1229–1243. 2012
Thoreauomyces humboldtii D.R. Simmons and Longcore. MycoBank no.: 564195. Mycologia 104: 1229–1243. 2012
Saprobic; pollen bait; spruce forest soil; Humboldt Field Research Institute, Steuben, MAINE, USA
TRIPARTICALCAR D.J.S. Barr [Spizellomycetales]; Canad. J. Bot. 58: 2380–2394. 1980; = Phlyctochytrium in part
Triparticalcar arcticum (D.J.S. Barr) D.J.S. Barr; Canad. J. Bot. 58: 2380–2394. 1980; Ξ Phlyctochytrium arcticum D.J.S. Barr 1970
TYLOCHYTRIACEAE Doweld IF550422. Holotype Tylochytrium Karling 1939. Index Fungorum no. 101. 2014
Tylochytrium pollinis-pini (A.Braun) Doweld IF550421. Basonym Chytridium pollinis-pini A. Braun, Abh. K. Preuss. Akad. Wiss. Berlin: 40 (1855). See Index Fungorum no. 101 for Doweld’s reasoning.
Ubelmesseromycetaceae M.J. Powell & Letcher [Chytridiomycota, Rhizophydiales]; MycoBank No.: 810747. Mycologia 107: 419–431. 2015
UEBELMESSEROMYCES M.J. Powell & Letcher MycoBank No.: 810748. Mycologia 107: 419–431. 2015
Uebelmesseromyces harderi M.J. Powell & Letcher MycoBank No.: 810749. Mycologia 107: 419–431. 2015. GenBank: AY349087 (nuc 28S rDNA D1-D3 domains); GenBank DQ485595 (nuc rDNA including 5.8S and ITS)
Saprobic; pine pollen, winter, James Island, British Columbia, CANADA
ULKENOMYCES Letcher & M.J. Powell, gen. nov. [Rhizophydiales, Halomycetaceae] MycoBank no.: 811467. Letcher et al. Mycologia 107: 808–830. 2015
Ulkenomyces aestuarii (Ulken) Letcher & M.J. Powell, comb. nov. MycoBank no.: 811468. =Rhizophydium aestuarii (Ulken) Amon, Mycologia 76: 138. 1984.
(FIG. 5p) from Ulken 1972 declared as neotype by Letcher et al. Mycologia 107: 808–830. 2015
URCEOMYCES Letcher [Globomycetaceae, Rhizophydiales] Mycobank no.: MB 511781. Mycological Research 112: 759–782. 2008.
Urceomyces sphaerocarpum (Zopf) Letcher [Rhizophydiales, Globomycetaceae] MycoBank no.: 511789. Mycological Research 112: 759–782. 2008.
Ξ Rhizidium sphaerocarpum Zopf 1884, Ξ Rhizophydium sphaerocarpum (Zopf) A. Fisch. 1892. Letcher et al. declared epitype sequence information from culture ARG 048.
Urophlyctaceae Hadar placed into Spizellomycetales ; Compt. Rend. Hebd. Séances Acad. Sci., Ser. 3 294: 329–333. 1982. (TEM unclear; position not confirmed by molecular data. Urophlyctis is in the Blastocladiales. See: Porter, T. M., et al. Fungal Biology 115: 381–92. 2011
Urophlyctales Doweld [Blastocladiales] IF550348. Index Fungorum 50. 2014
I retain Physodermatales Cavalier-Smith. MB#90818. 2012
VOLVORAX Doweld IF550301 Index Fungorum no. 37. 2013
Volvorax ingoldii Doweld IF550300 Index Fungorum no. 37. 2013
“Holotype Iconotypus: tab. 2 in New Phytologist 39:97. 1940” Figure 2 is actually on p. 99.
This species is based on the description by C.T. Ingold in New Phytologist 39:97–103. 1940.
WHEELEROPHLYCTIS Letcher & M.J. Powell [Chytridiales, Asterophlyctaceae] MycoBank 826904. Fungal Biology 122: 1109–1123. 2018. Type = W. interior
Wheelerophlyctis interiexterior Letcher & M.J. Powell MycoBank 826906. Fungal Biology 122: 1109–1123. 2018
Saprobic; chitin bait; fen at edge of Perch Pond, Penobscot County, MAINE, USA. Ex-type strain = JEL857
Wheelerophlyctis interior Letcher & M.J. Powell MycoBank 826905. Fungal Biology 122: 1109–1123. 2018. Ex-type strain = MP058
Saprobic, chitin bait, aquatic sample, Wheeler National Wildlife Refuge, ALABAMA, USA; JEL524 from Maine, USA is also in W. interior
ZOPFOCHYTRIUM M.J. Powell, Longcore & Letcher [Chytridiales, Chytridiaceae] MycoBank no.: 825642. Fungal Biology 122: 1041–1049. 2018
Zopfochytrium polystomum (Zopf) M.J. Powell, Longcore & Letcher, comb. nov. MycoBank no.: 825643. Fungal Biology 122: 1041–1049. 2018. ≡Cladochytrium polystomum Zopf Nova Acta Akad Leop.-Carol. 47: 234. 1884
ZYGOPHLYCTIDALES K. Seto [Chytridiomycetes] MycoBank no.: 831579. Fungal Systematics and Evolution 5: 17–38. 2020 (posted in 2019)
ZYGOPHLYCTIDACEAE K. Seto [Zygophlyctidales] MycoBank no.: 831580. Fungal Systematics and Evolution 5: 17–38. 2020 (posted in 2019)
Zygophlyctis Doweld, Index Fungorum 114: 1. 2014. IF550450
Zygophlyctis asterionellae K. Seto, MycoBank no.: 831581. Fungal Systematics and Evolution 5: 17–38. 2020 (posted in 2019)
parasite of Asterionella formosa (diatom); Lake Biwaike, Shimotakai, Nagano, JAPAN
Zygophlyctis melosirae (Canter) K. Seto comb. nov. MycoBank no.: 831582. Fungal Systematics and Evolution 5: 17–38. 2020 (posted in 2019)
Zygophlyctis planktonica Doweld, Index Fungorum 114: 1. 2014. Based on Canter’s description of Zygorhizidium planktonicum Canter, which was invalidly published.
ZYGORHIZIDIALES K. Seto [Chytridiomycetes] MycoBank no.: 831578. Fungal Systematics and Evolution 5: 17–38. 2020 (posted in 2019)
ZYGORHIZIDIACEAE Doweld [Zygorhizidiales] IF550424. Holotype Zygorhizidum Löwenthal 1904. Index Fungorum 102: 1. 2014.
Zygorhizidium affluensCanter; J. Linn. Soc., Bot. 62: 267–278, fig. 2. 1969;
Parasitic; Asterionella formosa; plankton of lakes; E.L.D., U.K.;
Ξ Rhizophydium planktonicum Canter (in part) 1948
Zygorhizidium asterionellae Pongratz; Schweiz. Z. Hydrol. 28: 104–132, Pl. 3, 19–24. 1966;
Parasitic; Asterionella formosa; plankton; Lake Léman, SWITZERLAND
Species not validly published. See comment by Seto in Fungal Systematics and Evolution 5: 17–38. 2020 (posted in 2019)
Zygorhizidium chlorophycidis Canter; Nova Hedwigia 5: 1–6, Pls. 1–2. 1963;
Parasitic; colonial planktonic greens; lakes; E.L.D., U.K.
Zygorhizidium cystogenum Canter; Trans. Brit. Mycol. Soc. 46: 305–320, figs. 1,2. 1963;
Parasitic; Dinobryon spp., Uroglena sp.; lakes; E.L.D., U.K.
Zygorhizidium melosirae Canter 1950; Canter emended; J. Linn. Soc., Bot. 60: 85–96. 1967
ΞZygophlyctis melosirae (Canter) K. Seto comb. nov. MycoBank no.: 831582. Fungal Systematics and Evolution 5: 17–38. 2020 (posted in 2019)
lectotype designated
Zygorhizidium planktonicum Canter 1953 and 1957; invalid; see Doweld, Index Fungorum 114: 1. 2014
Zygorhizidium planktonicum forma asterionellae Canter, Jaworski, & Beakes; Nova Hedwigia 55: 437–455. 1992; Parasitic; Asterionella; lakes; E.L.D., U.K.
Zygorhizidium planktonicum forma synedrae Canter; Nova Hedwigia 55: 437–455. 1992;
Parasitic; Synedra; lakes, E.L.D., U.K.
Zygorhizidium vaucheriae Rieth; Biol. Zentralbl. 86: 433–448, figs. 1–2, Pls. 1, 2. 1967;
Parasitic; Vaucheria; ditch; Gatersleben, Germany & Tadzhik, S.S.R.
Zygorhizidium venustum (Canter) Canter; Nova Hedwigia 21: 577–592. 1971; Ξ Rhizophydium venustum Canter 1963