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Treasure of Russian Shells, Supplement 3, Part 1: A Review of the Genera of the Recent Terrestrial Pectinibranch Molluscs: Neritopsiformes: Hydrocenoidei, Helicinoidei

Series: Treasure of Russian Shells Series Volume: S3/1

By: Roman V Egorov (Author)

58 pages, 75 b/w photos and b/w line drawings

Colus

Paperback | Dec 2005 | #158822
Availability: Usually dispatched within 1-2 months Details
NHBS Price: £29.99 $38/€36 approx

About this book

Language: English

The first part of the present work aims to provide two main goals: to generalize the basic results of investigations of previous works and to give some author's ideas on the philogeny and systematics of terrestrial molluscs of the order Neritopsiformes. The author has examined as many type species of the genera (subgenera) as possible; moreover illustrations and/or descriptions from original or later publications were studied. In total, type species (or, at least, similar to type species) of 70 recent taxa of genus group are described and illustrated in the book; the figures of more than 70 shells are original. The description, illustration and discussion of one subfossil pulmonate genus Pseudotrochatella Nevill, 1881 are given. As concerns anatomical drawings (radula and/or reproductive system), there are over 80 figures; all of these are taken from previous works. For most taxa descriptions and illustrations of operculums are given. Synonymy and systematic position of some taxa were revised. Key for identification of the families, genera and some subgenera of the suborder Helicinoidei based on conchological characters is given. The key include pulmonate genus Pseudotrochatella which early was referred to the Helicinidae. Appendix 1 contains the descriptions and illustrations of four fossil genera of the family Proserpinellidae. Appendix 2 contains the discussion and data on recently described genus Microalcadia Richling, 2004 stat. nov. The list of cited literature contains 157 references.


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