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THE EVOLUTION OF BROODING CHARACTERS AMONG THE FRESHWATER PEARLY MUSSELS (BIVALVIA: UNIONOIDEA) OF NORTH AMERICA
Brooding characters have figured prominently in the classification of North American freshwater pearly mussels (Bivalvia: Unionoidea). The purpose of our study was to evaluate phylogenetic hypothesesExpand
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Molecular Phylogenetic Revision of the Freshwater Limpet Genus Ferrissia (Planorbidae: Ancylinae) in North America Yields Two Species: Ferrissia (Ferrissia) Rivularis and Ferrissia (Kincaidilla)
ABSTRACT Members of the gastropod genus Ferrissia Walker, 1903, have a near-cosmopolitan distribution in freshwater ecosystems. Five North American species, distinguished by conchological, habitat,Expand
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Pronounced karyological divergence of the North American congeners Sphaerium rhomboideum and S. occidentale (Bivalvia: Veneroida: Sphaeriidae)
Chromosome sets of two North American sphaeriid species, Sphaerium rhomboideum Say, 1822 and S. occidentale Lewis, 1856, were studied using conventional Giemsa staining and karyometric analysis.Expand
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Evolutionary history of a vanishing radiation: isolation-dependent persistence and diversification in Pacific Island partulid tree snails
BackgroundPartulid tree snails are endemic to Pacific high islands and have experienced extraordinary rates of extinction in recent decades. Although they collectively range across a 10,000 km swathExpand
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Not completely lost: two partulid tree snail species persist on the highest peak of Raiatea, French Polynesia
Abstract The spectacular partulid tree snail fauna of the Society Islands has been almost completely extirpated in recent decades following the deliberate introduction of the alien carnivorous snailExpand
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Molecular phylogenetic analysis of 28S rDNA supports a gondwanan origin for australasian Hyriidae (Mollusca: Bivalvia: Unionoida)
Les Hyriidae (Mollusca: Bivalvia: Unionoida) ont une repartition disjointe en Amerique du Sud, en Australie et en Nouvelle Zelande. La plupart des etudes passees sur la macroevolution datent d'avantExpand
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Crossing the Continental Divide: the Columbia drainage species Juga hemphilli (Henderson, 1935) is a cryptic member of the eastern North American genus Elimia (Cerithioidea: Pleuroceridae)
Pleurocerid gastropods are ecologically prominent and diverse members of the North American freshwater malacofauna. However, their systematic study has been greatly complicated by pronouncedExpand
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Prehistoric anthropogenic introduction of partulid tree snails in Papua New Guinean archipelagos
Aim  Members of the tropical tree snail family Partulidae are endemic to Pacific high oceanic islands and typically have single-island ranges. Two nominal Papua New Guinean species, PartulaExpand
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Tahitian tree snail mitochondrial clades survived recent mass extirpation
Oceanic islands frequently support endemic faunal radiations that are highly vulnerable to introduced predators [1]. This vulnerability is epitomized by the rapid extinction in the wild of all butExpand
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