 When first reported , Archaeomarasmius leggetti was the second extinct species of agaric fungus to be described , and it is the only species to be known from the New Jersey amber . Three species , <unk> <unk> , Coprinites dominicana and Protomycena electra , have been described from the Miocene Dominican amber found in the Dominican Republic . The extinct Agaricomycetes species <unk> <unk> , found in marine calcareous concretions on Vancouver Island , Canada , and dating to about 130 – 125 Mya , is probably in the <unk> or the <unk> . In 2007 , another agaric was reported , <unk> antiquus , found in Early Cretaceous Burmese amber ( about 100 Mya ) . 
