{{Short description|Genus of gastropods}} {{Automatic taxobox |image = Trenchia teriuga (MNHN-IM-2000-35679) 001.jpeg |image_caption = Shell of ''Trenchia teriuga'' (holotype at MNHN, Paris) |taxon= Trenchia |authority= Knudsen, 1964 |synonyms_ref = <ref name="WoRMS" /> |synonyms = |type_species = ''Trenchia wolffi'' <small>Knudsen J., 1964</small> |display_parents= 3 }}
'''''Trenchia''''' is a genus of sea snails, marine gastropod mollusks, unassigned in the superfamily Seguenzioidea.<ref name="WoRMS">Rosenberg, G. (2012). ''Trenchia'' Knudsen, 1964. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=428564 on 27 March 2013</ref><ref>Galathea II, Danish Deep Sea Expedition 1950-52</ref>
==Notes== Additional information regarding this genus:<ref name="WoRMS" /> * It was previously placed in the subfamily Skeneidae of the ''Turbinidae'' as a placeholder, since many other taxa in Skeneidae were of uncertain phylogenetic position.
==Species== Species within the genus ''Trenchia'' include:<ref name="WoRMS" /> * ''Trenchia agulhasae'' <small>(Clarke, 1961)</small> * ''Trenchia anselmoi'' <small>Rubio & Rolán, 2013</small> * ''Trenchia biangulata'' <small>Rubio & Rolán, 2013</small> * ''Trenchia teriuga'' <small>Hoffman, Gofas & Freiwald, 2020</small> * ''Trenchia wolffi'' <small>Knudsen, 1964</small> * ''Trenchia xenos'' <small>(Hoffman, Van Heugten & Lavaleye, 2010)</small> ;Species brought into synonymy: * ''Trenchia argentinae'' <small>(Clarke, 1961)</small>: synonym of ''Trenchia agulhasae argentinae'' <small>(Clarke, 1961)</small>
==References== {{Reflist}} * Warén A. & Bouchet P. (1993) New records, species, genera, and a new family of gastropods from hydrothermal vents and hydrocarbon seeps. Zoologica Scripta 22: 1-90
==External links== {{Commons category}} * [http://www.marinespecies.org/aphia.php?p=taxdetails&id=428564 World Register of Marine Species] * [http://www.zmuc.dk/inverweb/galathea/Pdf_filer/Volume_07/galathea-vol.07-pp_125-136.pdf Knudsen J. 1964. ''Scaphopoda and Gastropoda from depths exceeding 6000 meters''. Galathea Report 7: 125-136] * [https://dx.doi.org/10.1093/mollus/eyp037 Kano Y., Chikyu, E. & Warén, A. (2009) ''Morphological, ecological and molecular characterization of the enigmatic planispiral snail genus Adeuomphalus (Vetigastropoda: Seguenzioidea).'' Journal of Molluscan Studies, 75:397-418]
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Category:Trenchia Category:Taxa named by Jørgen Knudsen
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