Treasure of Russian Shells, Supplement 3, Part 2. A review of the genera of the recent terrestrial pectinibranch molluscs (synopsis mainly based on published data). Littoriniformes: Hainesiidae, Aciculidae, Cyclophoridae, Craspedopomatidae. by Roman Egorov, November, 2009. 58 pp. In English.

The present work is continuation of the "Review.." series started in 2005. The second part is dedicated to the representatives of one of largest and most diverse group of terrestrial pectinibranch molluscs belonging to the order Littoriniformes. Terrestrial representatives of this order divided into a several families. This volume contains a review of four families: Hainesiidae, Aciculidae, Cyclophoridae and Craspedopomatidae. The systematics and nomenclature of these difficult groups are revised. Systematic position of some taxa is changed. Synonymy of some genera is revised and corrected. In total, the publication contains descriptions and illustrations (of type species or their relatives) of 84 genera and subgenera (include nominate ones). Many illustrations are original. Appendix contains descriptions and illustrations of three problematic genera, originally belongs to the family Cyclophoridae. However, their systematic position is unclear. The list of cited references contains 199 titles.

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