Metacordyceps is a genus of fungi in the family Clavicipitaceae. Aciculosporium is a genus of fungi in the family Clavicipitaceae. Nomuraea is a genus of fungi in the family Clavicipitaceae. Metarhizium is a genus of entomopathogenic fungi in the Clavicipitaceae family. Cordycepioideus is a genus of fungi within the Clavicipitaceae family. Konradia is a genus of fungi within the Clavicipitaceae family. Wakefieldiomyces is a genus of fungi within the Clavicipitaceae family. Atkinsonella is a genus of fungi within the Clavicipitaceae family. Aschersonia is a genus of fungi in the order Hypocreales and family Clavicipitaceae. The fossil shows that the original hosts of the Clavicipitaceae could have been grasses. This organism also attacks related insect-pathogenic species of the Clavicipitaceae. The Clavicipitaceae are a family of fungi within the order Hypocreales.