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Morphological, ecological and molecular characterization of the enigmatic planispiral snail genus Adeuomphalus (Vetigastropoda : Seguenzioidea) ArchiMer
Kano, Yasunori; Chikyu, Eri; Waren, Anders.
Adeuomphalus Seguenza, 1876 is a little known genus among the skeneimorph vetigastropods, with very few specimens previously reported alive from the deep sea. We examined newly collected and museum-stored specimens from upper to lower bathyal depths in the Atlantic, Mediterranean, Pacific and Indian Oceans and recognize seven recent species in the genus: A. ammoniformis Seguenza, 1876, A. densicostatus (Jeffreys, 1884), A. trochanter Waren & Bouchet, 2001, A. sinuosus (Sykes, 1925) n. comb., A. guillei n. sp., A. elegans n. sp. and A. collinsi n. sp., along with a fossil species, A. bandeli (Schroder, 1995) from the Lower Cretaceous, Poland. These species are characterized by a minute and colourless shell with almost perfectly planispiral whorls, an...
Tipo: Text Palavras-chave: Hydrothermal vents; Seguenziidae mollusca; New Zealand; Gastropoda; Trochoidea; Phylogeny; Pacific; Scandinavia; Turbinidae.
Ano: 2009 URL: https://archimer.ifremer.fr/doc/00205/31660/30092.pdf
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Bacterial communities associated with the wood-feeding gastropod Pectinodonta sp (Patellogastropoda, Mollusca) ArchiMer
Zbinden, Magali; Pailleret, Marie; Ravaux, Juliette; Gaudron, Sylvie M.; Hoyoux, Caroline; Lambourdiere, Josie; Waren, Anders; Lorion, Julien; Halary, Sebastien; Duperron, Sebastien.
Even though their occurrence was reported a long time ago, sunken wood ecosystems at the deep-sea floor have only recently received specific attention. Accumulations of wood fragments in the deep sea create niches for a diverse fauna, but the significance of the wood itself as a food source remains to be evaluated. Pectinodonta sp. is a patellogastropod that exclusively occurs on woody substrates, where individuals excavate deep depressions, and is thus a potential candidate for a wood-eating lifestyle. Several approaches were used on Pectinodonta sampled close to Tongoa island (Vanuatu) to investigate its dietary habits. Host carbon is most likely derived from the wood material based on stable isotopes analyses, and high cellulase activity was measured in...
Tipo: Text Palavras-chave: Sunken woods; Wood-feeding gastropod; Symbiosis; Cellulolytic activity.
Ano: 2010 URL: https://archimer.ifremer.fr/doc/00206/31687/30070.pdf
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Driftwood as a vector for the oceanic dispersal of estuarine gastropods (Neritidae) and an evolutionary pathway to the sunken-wood community ArchiMer
Kano, Yasunori; Fukumori, Hiroaki; Brenzinger, Bastian; Waren, Anders.
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Ano: 2013 URL: https://archimer.ifremer.fr/doc/00476/58815/61338.pdf
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