| Protobranch bivalves |  |
| Zardus, J.D. (2002). Protobranch bivalves Molluscan radiation: lesser-known branches 42: 1-65 |
| In: Southward, A.J. et al. (Ed.) (2002). Molluscan radiation: lesser-known branches Advances in Marine Biology, 42 Academic Press: Amsterdam. ISBN 0-12-026142-1. xi, 308 pp., meer |
| In: Advances in Marine Biology. Academic Press: New York. ISSN 0065-2881, meer |
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