Chaetomiaceae G. Winter, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 1.2: 153 (1885)

Index Fungorum number: IF 80582 

Chaetomiaceae was introduced by Winter (1885) and is typified by Chaetomium (Grunow et al. 1887). This family is composed of 36 genera. Chaetomiaceae is characterized by species producing thick-walled, humicola-like spores (Wang et al. 2019a). An updated phylogenetic tree for Chaetomium and Dichotomopilus is presented in Fig. 67.

Fig. Phylogram generated from maximum parsimony analysis based on combined sequences of ITS, LSU and β-TUB sequence data. Sixty strains are included in the combined analyses, which comprise 2319 characters including gaps, of which 1421 characters are contant, 310 characters are parsimony-uninformative and 588 characters parsimony-informative. Evolutionary model GTR+I+G was applied to both ITS and LSU gene regions and HYK+I+G was applied to β-TUB sequence data. The parsimony analysis of the data matrix resulted in the maximum of ten equally most parsimonious trees with a length of 3496 steps (CI = 0.446, RI=0.626, RC = 0.279, HI = 0.554) in the first tree. Tree topology of the maximum parsimony analysis is similar to the Bayesian analysis. The tree was rooted with Microascus trigonosporus (CBS 218.31). MP bootstrap support value ≥50% and BYPP ≥0.9 are shown respectively near the nodes. Ex-type strains are in bold and black. The newly generated sequences are indicated in yellow.