Towards a natural classification of Dothideomycetes: 8. The genera Cocconia, Dianesea, Endococcus and Lineostroma Author Jayasiri, Subashini C. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand Author Ariyawansa, Hiran A. Guizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Sciences, Guiyang, 550006, Guizhou, China Author Jones, E. B. Gareth Botany and Microbiology Department, College of Science, King Saud University, Riyadh, 1145, Saudi Arabia Author Kang, Ji-Chuan Engineering and Research Center for Southwest Bio-Pharmaceutical resources of National Education Ministry of China, Guizhou University, Huaxi District, 550025 Guiyang City, Guizhou Province, P. R. China Author Promputtha, Itthayakorn Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand Author Bahkali, Ali H. Botany and Microbiology Department, College of Science, King Saud University, Riyadh, 1145, Saudi Arabia Author Hyde, Kevin D. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand & Botany and Microbiology Department, College of Science, King Saud University, Riyadh, 1145, Saudi Arabia & World Agro forestry Centre East and Central Asia Office, 132 Lanhei Road, Kunming 650201, China text Phytotaxa 2016 2016-04-05 255 1 66 74 http://dx.doi.org/10.11646/phytotaxa.255.1.6 journal article 10.11646/phytotaxa.255.1.6 1179-3163 13672484 Endococcus Nyl., Mém. Soc. Sci. Nat. Cherbourg 3: 193 (1855) Facesoffungi Number : FoF 00558 Lichenicolous , parasymbiotic or parasitic on the thalli of lichen-forming fungi. Sexual morph : Ascomata arising singly, perithecioid, black, subglobose, immersed to erumpent, ostiolate, ostiole internally lined with distinct periphyses. Peridium carbonaceous, comprising3–6layers of radially compressed,thick-walled,dark brown pseudoparenchymatous cells. Hamathecium lacking paraphysoids and pseudoparaphyses, asci originating in a gelatinized matrix. Asci 4–8 spored, bitunicate, elongate-clavate to sub-cylindrical, with short furcate, broad pedicel, thickened and rounded at apex, with an ocular chamber. Ascospores uniseriate or 2-seriate, dark brown, ellipsoidal, with rounded or somewhat pointed apices, l-septate, sometimes markedly constricted at the septum, smooth-walled. Lacking a sheath or appendages. Asexual morph: Undetermined. Type species: Endococcus rugulosus Nyl.