Class [Mammalia] Linnaeus, 1758 - mammals Order †Plesiadapiformes Simons & Tattersall, 1972 see Suborder Plesiadapiformes Simons & Tattersall, 1972 Family †Picromomyidae Rose & Bown, 1996 Genus †Alveojunctus Bown, 1982 †Alveojunctus minutus Bown, 1982