The Ostropales are an order of fungi in the class Lecanoromycetes. The order was circumscribed by Swedish botanist John Axel Nannfeldt in 1932. The order contains 4 families and 46 genera, including 6 genera of uncertain familial placement.
Families and genera Odontotremataceae Claviradulomyces – 2 spp. Coccomycetella – 2 spp. Odontotrema – 7 spp. Odontura – 1 sp. Paschelkiella – 1 sp. Potriphila – 3 spp. Rogellia – 2 spp. Stromatothecia – 1 sp. Tryblis – 2 spp. Xerotrema – 2 spp.
Phaneromycetaceae Phaneromyces – 2 spp.
Spirographaceae Spirographa – 5 spp.
Stictidaceae Absconditella – 12 spp. Acarosporina – 5 spp. Biostictis – 5 spp. Carestiella – 2 sp. Conotremopsis – 1 sp. Cryptodiscus – 15 spp. * Cyanodermella – 2 spp. Delpontia – 1 sp. Fitzroyomyces – 1 sp. Geisleria – 4 spp. Glomerobolus – 1 sp. Ingvariella – 1 sp. Karstenia – 10 spp. Lillicoa – 4 spp. Nanostictis – ca. 8 spp. Neofitzroyomyces – 1 sp. Ostropa – 1 sp. Propoliopsis – 1 sp. Robergea – 8 spp. Schizoxylon – ca. 35 spp. Sphaeropezia – 19 spp. Stictis – 4 spp. Stictophacidium – 3 spp. Thelopsis – 9 spp. Topelia – 6 spp. Trinathotrema – 3 spp. Xyloschistes – 1 sp.
Ostropales genera of unknown familial placement: Aabaarnia – 1 sp. Biazrovia – 1 sp. Elongaticonidia – 1 sp. Malvinia – 1 sp. Normanogalla – 1 sp.
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