@article{fdi:010049064, title = {{N}ew insights into diversity and evolution of deep-sea {M}ytilidae ({M}ollusca : {B}ivalvia)}, author = {{L}orion, {J}. and {B}uge, {B}. and {C}ruaud, {C}. and {S}amadi, {S}arah}, editor = {}, language = {{ENG}}, abstract = {{B}athymodiolinae mussels have been used as a biological model to better understand the evolutionary origin of faunas associated with deep-sea hydrothermal vents and cold seeps. {M}ost studies to date, however, have sampled with a strong bias towards vent and seep species, mainly because of a lack of knowledge of closely related species from organic falls. {H}ere we reassess the species diversity of deep-sea mussels using two genes and a large taxon sample from the {S}outh-{W}estern {P}acific. {T}his new taxonomic framework serves as a basis for a phylogenetic investigation of their evolutionary history. {W}e first highlight an unexpected allopatric pattern and suggest that mussels usually reported from organic falls are in fact poorly specialized with regard to their environment. {T}his challenges the adaptive scenarios proposed to explain the diversification of the group. {S}econd, we confirm that deep-sea mussels arose from organic falls and then colonized hydrothermal vents and cold seeps in multiple events. {O}verall, this study constitutes a new basis for further phylogenetic investigations and a global systematic revision of deep-sea mussels.}, keywords = {{P}hylogenetics ; {B}athymodiolinae ; {H}ydrothermal vent ; {C}old seep ; {I}das ; {A}dipicola ; {O}rganic falls ; {S}outh-{W}est {P}acific ; {T}axon sampling ; {A}llopatry}, booktitle = {}, journal = {{M}olecular {P}hylogenetics and {E}volution}, volume = {57}, numero = {1}, pages = {71--83}, ISSN = {1055-7903}, year = {2010}, DOI = {10.1016/j.ympev.2010.05.027}, URL = {https://www.documentation.ird.fr/hor/fdi:010049064}, }