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Molecular phylogeny of the livebearing Goodeidae (Cyprinodontiformes).
The Goodeinae is a speciose group of viviparous freshwater fishes endemic to the Mesa Central of Mexico. The current taxonomy of the group is based on morphology associated with viviparity andExpand
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Phylogeny of giant clams (Cardiidae: Tridacninae) based on partial mitochondrial 16S rDNA gene sequences.
We have performed the first DNA molecular phylogenetic analysis of giant clams. An approximately 462-nucleotide fragment of the mitochondrial large ribosomal subunit (16S) was sequenced for all eightExpand
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Trans-Pacific range extension by rafting is inferred for the flat oyster Ostrea chilensis.
Stretches of deep ocean are potent barriers to the dispersion of nearshore, benthic marine taxa. Such obstacles can be overcome, however, by species that have either a protracted pelagic larvalExpand
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Phylogenetic analysis of southern hemisphere flat oysters based on partial mitochondrial 16S rDNA gene sequences.
Oysters are among the most familiar, best studied, and morphologically variable of all marine invertebrate taxa. However, our knowledge of oyster phylogeny and systematics is rudimentary, especiallyExpand
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Evolution of parental care and ovulation behavior in oysters.
Approximately half of all living oysters brood offspring in the inhalant chamber of their mantle cavities; the remainder are broadcast spawners which do not engage in parental care of young. OstreidExpand
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E pluribus unum: A phylogenetic and phylogeographic reassessment of Laevapex (Pulmonata: Ancylidae), a North American genus of freshwater limpets.
The North American freshwater limpet genus Laevapex (Walker, 1903) is a ubiquitous inhabitant of lentic and slow-moving lotic habitats east of the Rocky Mountains, but uncertainty clouds itsExpand
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Ploidy and Pronuclear Interaction in Northeastern Pacific Lasaea Clones (Mollusca: Bivalvia).
A natural population of the bivalve genus Lasaea from Victoria, British Columbia, Canada was karyologically characterized, and pronuclear interaction was studied in newly spawned eggs. MitoticExpand
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6-Phosphogluconate dehydrogenase (PGD) allele phylogeny is incongruent with a recent origin of polyploidization in some North American Sphaeriidae (Mollusca, Bivalvia).
Although polyploidization is rare among bivalve mollusks, recent cytogenetic studies have revealed a remarkable degree of genome amplification (up to 13n) in the freshwater bivalve familyExpand
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FORM, FUNCTION, AND ORIGIN OF TEMPORARY DWARF MALES IN PSEUDOPYTHINA-RUGIFERA (CARPENTER, 1864) (BIVALVIA, GALEOMMATACEA)
Les femelles de Pseudopythina rugifera logent un mâle nain a l'interieur de la cavite du manteau. Ce mâle nain differe considerablement de la femelle, la coquille est peu developpee mais la surfaceExpand
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PLACING THE FLORIDIAN MARINE GENETIC DISJUNCTION INTO A REGIONAL EVOLUTIONARY CONTEXT USING THE SCORCHED MUSSEL, BRACHIDONTES EXUSTUS, SPECIES COMPLEX
Abstract The well‐documented Floridian Gulf/Atlantic marine genetic disjunction provides an influential example of presumed vicariant cladogenesis along a continental coastline for major elements ofExpand
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