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Charles Lydeard
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Professor & Chair, Department of Biology and Chemistry, Morehead State University
Professor & Chair, Department of Biology and Chemistry, Morehead State University

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By José
Leal Join
us to examine the threats faced by the world’s second most diverse group of animals On May 22–24, 2016 the
Bailey-Matthews National Shell Museum on Sanibel Island, Florida, will host a conference devoted to the threats to the second most d...

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Update on the status of the remaining Hawaiian land snail species Part 4: Punctidae and Endodontidae
                                 Norine W. Yeung and Kenneth A. Hayes     For the fourth installment of our updates on the status of the Hawaiian land snail fauna we discuss the Hawaiian families in the superfamily Punctoidea: Punctidae (Fig 1A) and Endodon...

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Update on the status of the remaining Hawaiian land snail species Part 3: Pupillidae and Succineidae
Norine W. Yeung and Kenneth
A. Hayes      In the
third installment of our updates on the status of the Hawaiian land snail fauna
we are covering the third and last of our Hawaiian Orthurethran families, the
Pupillidae (Figure 1) and our only Elasmognathan r...

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Update on the status of the remaining Hawaiian land snail species Part 2: Amastridae and Achatinellidae
Kenneth A. Hayes and
Norine W. Yeung      In the second installment of our
updates on the status of the Hawaiian land snail fauna we are covering the two
most species rich families represented in Hawaii, the Amastridae (Figure 1A-E)
and Achatinellidae (Figu...

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Update on the status of the remaining Hawaiian land snail species with apologies to Dr. Solem for the lateness of our reply: Part 1
Kenneth A. Hayes and Norine W. Yeung Hawaii supports one
of the world’s most spectacular radiations of land snails (Solem 1984, Cowie
1996a, b). The fauna is disharmonic, with only 10 (Figure 1) of the ~90 land
snail families (Cowie et al 1995). The real nu...

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Genetic Distinction of two closely related unionid bivalve monotypic genera: Arcidens and Arkansia
     Arcidens confragosus (INHS pic) Discovering, describing and classifying the
world’s species on the basis of evolutionary relationships is a laudable
objective.     This is particularly important for taxa that
are imperiled.   Unionid bivalves are
recog...

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Redescription and Description of Threatened Thiarids (Gastropoda: Cerithioidea) from Argentina-Paraguay
A. brunneum holotype Although knowledge of the composition and
phylogenetic placement of Thiaridae has increased due to recent studies ( Strong
et al., 2011 and citations therein), modern taxonomic and systematic treatment
is still needed within the family....

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Genetic Distinction of the Owyhee wet-rock physa of southeastern Oregon
The freshwater gastropod family Physidae
(Pulmonata: Basommatophora) has largely a Holarctic distribution, which extends
southward into Central and South America ( Burch,
1982 , Taylor, 2003 ).   Physids, particularly Physa acuta have been introduced around...

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Are Distributions of Ancient Lineages of Mollusks Shaped by Vicariance or Dispersal?
                It
is thought that the study of animal and plant distributions advanced greatly
with the development of vicariance biogeography in the 1970s and 1980s.   Rather than assuming related groups of
organisms dispersed around the globe across seem...

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Towards a Bivalve Tree of Life
An important paper entitled “ Investigating the Bivalve
Tree of Life – an exemplar-based approach combining molecular and novel
morphological characters ” was recently published this year in Invertebrate Systematics .   This paper led by R üdiger Bieler and...
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