BioStor
 | Report on the Marine Mollusca obtained by Mr. J. Stanley Gardiner, F.R.S., among the Islands of the Indian Ocean in 1905 (1909) Transactions of The Linnean Society London 13: 65-138 |
 | A phylogenetic survey of molluscan shell matrix proteins M T Ghiselin, D W Spencer E T Degens and R H Parker (1967) Breviora 262: 1-35 |