Janssen, A. W. (2000). Notes on the systematics, morphology and biostratigraphy of fossil holoplanktonic Mollusca, 7-9. 7,
Clio lucai spec. nov. from the Plio/Pleistocene of northern Italy, with notes on evolutionary lineages of the genus
Clio; 8,
Cavolinia grandis (Bellardi, 1873) from the Early Pliocene of New Zealand, a further example of long-distance correlation by means of pteropods; 9, apertural reinforcements in
Limacina atypica (Laws, 1944) from the Miocene of New Zealand.
Basteria. 64 (1/3): 35-50.