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ZooKeys 393: A Cybertaxonomic Revision of the Micro-Landsnail Genus Plectostoma Adam (Mollusca, Caenogastropoda, Diplommatinidae), from Peninsular Malaysia, Sumatra and Indochina

Identification KeyMonographJournal / Magazine

Series: ZooKeys Volume: 393

By: Thor-Seng Liew (Author), Jaap Jan Vermeulen (Author)

107 pages, colour & b/w photos, b/w illustrations, tables

Pensoft Publishers

Paperback | Mar 2014 | #222360 | ISBN-13: 9789546427236
Availability: Usually dispatched within 1-2 weeks Details
NHBS Price: £40.99 $50/€46 approx

About this book

Language: English

The Tropical micro-landsnail of the genus Plectostoma exhibits a greater diversity in shell forms, largely due to the last whorl, which, in some species is coiled irregularly. The genus counts 79 species and occurs in Vietnam, Thailand, Peninsular Malaysia, Sumatra, and Borneo. Plectostoma can only be found in limestone outcrops, where the rock face is its major habitat. This work revises non-Borneo Plectostoma species, which are more diverse in their shell form than Bornean Plectostoma. As a result, 10 new Plectostoma species are described together with the existing 21 species, based on the redefined shell characters and genetic data. In addition, all the data of 31 species, namely, 62 references, 214 collections, 290 pictures, and 155 3D models, were simultaneously tagged and linked to each other. All the synthesised, semantic-tagged, and linked taxonomic information is made freely and publicly available online.


Introduction   4
Current issues in taxonomy   4
An overview of genus Plectostoma's taxonomy history   6
Current taxonomic status of Plectostoma from Indochina, Sumatra and Peninsular Malaysia   8
Materials and methods   8
Taxonomic data mining, storing and tagging (Appendix 1)   8
Specimen repositories   10
Establishing identity and revising the collection data   10
Species delimitation   12
Morphological analysis   13
Conservation status assessment   28
Molecular phylogeny and COI barcoding   28
Data resources   35
Results and discussion   35
Taxonomic data depository and cybertaxonomy   35
Morphological analysis    38
Conservation status assessment   38
Molecular phylogeny and COI barcoding   38
Key to Peninsular Malaysia Plectostoma   43
Taxonomy   45
Genus Plectostoma   45
Plectostoma dindingensis sp. n.   49
Plectostoma mengaburensis sp. n.   51
Plectostoma sinyumensis (Maassen, 2001)   51
Plectostoma umbilicatum (van Benthem Jutting, 1952)   53
Plectostoma siphonostomum (van Benthem Jutting, 1952)   55
Plectostoma panhai (Maassen, 2001)   56
Plectostoma christae (Maassen, 2001)   57
Plectostoma crassipupa (van Benthem Jutting, 1952)   60
Plectostoma tonkinianum (Dautzenberg & Fischer, 1905)   61
Plectostoma whitteni sp. n.   63
Plectostoma sciaphilum (van Benthem Jutting, 1952)   64
Plectostoma senex (van Benthem Jutting, 1952)   65
Plectostoma turriforme (van Benthem Jutting, 1952)   66
Plectostoma palinhelix (van Benthem Jutting, 1952)   68
Plectostoma retrovertens (Tomlin, 1938)   69
Plectostoma ikanensis sp. n.   71
Plectostoma kayiani sp. n.   73
Plectostoma davisoni sp. n.   75
Plectostoma relauensis sp. n.   76
Plectostoma kakiense (Tomlin, 1948)   78
Plectostoma kubuensis sp. n.   79
Plectostoma laemodes (van Benthem Jutting, 1961)   80
Plectostoma salpidomon (van Benthem Jutting, 1952)   82
Plectostoma kitteli (Maassen, 2002)   83
Plectostoma klongsangensis (Panha, 1997)   85
Plectostoma charasense (Tomlin, 1948)   86
Plectostoma tohchinyawi sp. n.   87
Plectostoma annandalei (Sykes, 1903)   89
Plectostoma praeco (van Benthem Jutting, 1961)   90
Plectostoma tenggekensis sp. n.   91
Plectostoma laidlawi (Sykes, 1902)   93
Author contributions   95
Acknowledgements   95
References   96
Appendix   105

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