Article: Two Australian Tertiary neolampadids, and the classification of cassiduloid echinoids
Two new neolampadids, Pisolampas concinna gen. et sp. nov. and Notolampas flosculus gen. et sp. nov., are described from the Tertiary of south-eastern Australia. The classification of cassiduloid echinoids is discussed, and it is suggested that the order Cassiduloida Claus should include three suborders, viz. Cassidulina s.s., Conoclypina Zittel, Neolampadina subord. nov.