(Pentamerus_palaformis,(Deloprosopus_jiangshanensis,Tcherskidium_unicum,Proconchidium_munsteri,Eoconchidium_indigiricum,Pseudoconchidium_kozhimicum,Paraconchidium_shiqianensis,(Virgiana_barrandei,Virgiana_mayvillensis,Virgiana_decussata),(Viridita_lenticualris,Brevilamnulella_thebesensis)));