Molecular data reveal a highly diverse species flock within the munnopsoid deep-sea isopod Betamorpha fusiformis (Barnard, 1920) (Crustacea: Isopoda: Asellota) in the Southern Ocean

@article{Raupach2007MolecularDR,
  title={Molecular data reveal a highly diverse species flock within the munnopsoid deep-sea isopod Betamorpha fusiformis (Barnard, 1920) (Crustacea: Isopoda: Asellota) in the Southern Ocean},
  author={Michael J Raupach and Marina V. Malyutina and Angelika Brandt and Johann Wolfgang W{\"a}gele},
  journal={Deep-sea Research Part Ii-topical Studies in Oceanography},
  year={2007},
  volume={54},
  pages={1820-1830}
}
Abstract Based on our current knowledge about population genetics, phylogeography and speciation, we begin to understand that the deep sea harbours more species than suggested in the past. Deep-sea soft-sediment environment in particular hosts a diverse and highly endemic invertebrate fauna. Very little is known about evolutionary processes that generate this remarkable species richness, the genetic variability and spatial distribution of deep-sea animals. In this study, phylogeographic… Expand

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References

SHOWING 1-10 OF 80 REFERENCES
Extreme mitochondrial DNA divergence within populations of the deep-sea gastropod Frigidoalvaniabrychia
TLDR
Steep vertical selective gradients, major oceanographic changes during the late Cenozoic, and habitat fragmentation by submarine canyons might have contributed to an upper bathyal region that is highly conducive to evolutionary change. Expand
Multiple colonization of the deep sea by the Asellota (Crustacea: Peracarida: Isopoda)
TLDR
The first molecular evidence for the phylogenetic origin of this remarkable array of deep-sea crustaceans is presented, based on 30 new DNA-sequences of the complete 18s rRNA gene of specimens collected at depths down to 4543 m in the South Atlantic and South Polar Ocean. Expand
Distinguishing cryptic species in Antarctic Asellota (Crustacea: Isopoda) - a preliminary study of mitochondrial DNA in Acanthaspidia drygalskii
TLDR
The molecular data support the monophyly of all six species analysed, but there is only limited evidence for the interspecific relationships between the species. Expand
A species complex within the isopod genus Haploniscus (Crustacea: Malacostraca: Peracarida) from the Southern Ocean deep sea: a morphological and molecular approach
TLDR
Molecular data sets reveal detailed phylogenetic insights within the Haploniscus cucullus complex, supporting the monophyly of all species and show that both genes can be used as a marker for DNA taxonomy. Expand
Geographic and bathymetric patterns of mitochondrial 16S rRNA sequence divergence among deep-sea amphipods, Eurythenes gryllus
TLDR
Analysis of DNA sequence diversity in E. gryllus indicates genetic homogeneity among sites within the same depth zone at the scale of ocean basins; and genetically divergent, cryptic taxa distributed at different depths, with the greatest diversity in the bathyal zone. Expand
Bathymetric patterns of genetic variation in a deep-sea protobranch bivalve, Deminucula atacellana
TLDR
This surprisingly high biodiversity at the genetic level affords the potential for adaptation and evolutionary diversification, the ultimate historical causes of high species diversity in the deep-sea benthos. Expand
Genetic Differences Within and Between Species of Deep-Sea Crabs (Chaceon) From the North Atlantic Ocean
TLDR
Based on 16S rDNA and ITS data, genetic differences between C. quinquedens from southern New England and the Gulf of Mexico are large enough to conclude that these are different fishery stocks and the designation of morphological species within the commercially important genus Chaceon is not congruent with evolutionary history. Expand
Miocene radiation of deep-sea hydrothermal vent shrimp (Caridea: Bresiliidae): evidence from mitochondrial cytochrome oxidase subunit I.
TLDR
Evolutionary relationships of vent-endemic shrimp species did not appear to be correlated either with their extant biogeographic distribution or with the history of sea floor spreading, and COI data suggested that these vent- endemic organisms are not remnants of a Mesozoic vent assemblage; instead, they radiated in the Miocene. Expand
Bathymetric and geographic population structure in the pan‐Atlantic deep‐sea bivalve Deminucula atacellana (Schenck, 1939)
TLDR
Using formalin‐fixed specimens from archival collections, patterns of genetic variation in the protobranch bivalve Deminucula atacellana, a species widespread throughout the Atlantic Ocean at bathyal and abyssal depths, are quantified. Expand
A deep-sea slant on the molecular phylogeny of the Scleractinia.
TLDR
The two specimens of L. pertusa grouped with two caryophylliids, confirming the existing classification of the species, but the large genetic distance between the two Lophelia samples suggests that these populations are genetically isolated from one another. Expand
...
1
2
3
4
5
...