The Clavicipitaceae are a family of fungi within the order Hypocreales. A 2008 estimate placed 43 genera in the family, but a study in 2020 has increased this number to 50.
Phylogeny
Molecular phylogenetic analysis of multigene DNA sequence data indicates the taxon Clavicipitaceae (as circumscribed by 2007) is paraphyletic, and consists of three well-defined clades, at least one of which is shared with members of another fungal family (Hypocreaceae). The most recent common ancestor of the three clades also include Hypocreaceae as a descendant.
Outline of phylogeny from Sung et al. (2007a)
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Hypocreales
Bionectriaceae
Nectriaceae
Hypocreaceae
Clavicipitaceae clade C
Clavicipitaceae clade A
Clavicipitaceae clade B
The issue seems to have been resolved in Sung et al. (2007b). Clavicipitaceae becomes restricted to "clade A". Cordycipitaceae is resurrected to hold "clade C". Ophiocordycipitaceae is created to hold "clade B".
