: Initial diversification between Albatrellaceae and related families occurred during the Early Cretaceous (~145–100 Mya). Morphological Characteristics
: Multi-locus phylogenetic analyses reveal that the genus is not monophyletic ; it is divided into separate clades with affinities to both Russuloid and Polyporoid groups. albatrellus
: Belonging to the family Albatrellaceae within the order Russulales , the genus was first described by British botanist Samuel Frederick Gray in 1821. albatrellus