Modern taxonomic approaches to identifying diatrypaceous fungi from marine habitats, with a novel genus Halocryptovalsa Dayarathne & K. D. Hyde, gen. nov. Author Dayarathne, Monika C. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100 (Thailand) World Agroforestry Centre East and Central Asia Office, 132 Lanhei Road, Kunming 650201 (China) Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan (China) monidaya 40 @ gmail. com (corresponding author) Author Wanasinghe, Dhanushka N. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100 (Thailand) World Agroforestry Centre East and Central Asia Office, 132 Lanhei Road, Kunming 650201 (China) Author Devadatha, B. Biotechnology, School of Life Sciences, Pondicherry University, Kalapet, Pondicherry 605014 (India) Author Abeywickrama, Pranami Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100 (Thailand) of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences (China) Author G, E. B. Author Jones, areth Author Chomnunti, Putarak Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100 (Thailand) Author Sarma, V. V. Biotechnology, School of Life Sciences, Pondicherry University, Kalapet, Pondicherry 605014 (India) Author Hyde, Kevin D. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100 (Thailand) World Agroforestry Centre East and Central Asia Office, 132 Lanhei Road, Kunming 650201 (China) Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan (China) Author Lumyong, Saisamorn Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200 (Thailand) Author C., Eric H. Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai Research New Zealand, Private Bag 92170, Auckland Mail Centre, Auckland 1142 mckenziee @ landcareresearch. co. nz (corresponding Author Mckenzie Thailand) (New Zealand) author) text Cryptogamie, Mycologie 2020 2020-03-27 20 3 21 67 http://dx.doi.org/10.5252/cryptogamie-mycologie2020v41a3 journal article 246324 10.5252/cryptogamie-mycologie2020v41a3 62653781-1f18-4362-a843-6dd324fe64be 1776-100X 7815042 Cryptosphaeria Ces. & De Not. Commentario della Società Crittogamologica Italiana 1 (4): 231 (1863). NOTES Cryptosphaeria Ces. & De Not. was introduced by Greville (1822) . Taxonomic significance of this genus remained unclear as the original author incorporated a number of disparate taxa under this genus viz. Botryosphaeria species, due to some morphological similarities such as ascostromata characters ( Rappaz 1987 ). Cesati & De Notaris (1863) re-used the name Cryptosphaeria and designated Cryptosphaeria millepunctata as the type species, although Cr. eunomia , is now the widely accepted name for the type ( Clement & Shear 1931 ). Cryptosphaeria Ces. & De Not. (1863) has been adopted in favour of Cryptosphaeria Grev. ( Rappaz 1989 ) . Cryptosphaeria species produce 8-spored, spindle-shaped asci with long stipitate and subolivaceous to brown ascospores ( Glawe & Rogers 1984 ; Rappaz 1987 ; Trouillas et al. 2011 ). This genus comprises 13 species of which Cr. eunomia and Cr. mangrovei have been reported as saprobes from marine habitats ( Trouillas et al. 2015 ; Jones et al. 2015 ). Recently, Cr. mangrovei has been synonymized with Halodiatrype mangrovei , based on morphological characteristics ( Dayarathne et al. 2016 ) (see description and illustration under Halodiatrype mangrovei . Currently, combined ITS (ITS1, 5.8s and ITS2 regions) and Btub gene sequence data coupled with morphological characteristics are used to differentiate Cryptosphaeria species ( Acero et al. 2004 , Trouillas et al. 2010a ). Our phylogenetic analyses showed that Cryptosphaeria is polyphyletic, as reported by Shang et al. (2017) and Senwanna et al. (2017) .