Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Sordariomycetes O.E. Erikss. & Winka (1997) Subclass Diaporthomycetidae Senan., Maharachch. & K.D.Hyde (2015) Order Annulatascales M.J. D'souza, Maharachch. & K.D.Hyde (2015) [monotypic] Family Annulatascaceae S.W. Wong, K.D.Hyde & E.B.G.Jones (1998) Genus Longicollum Zelski, F.R. Barbosa, Raja, A.N. Mill. & Shearer (2011)