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Trahaldia, un nouveau genre de Columbellidae (Gastropoda: Neogastropoda) du Bartonien (Éocène moyen) du bassin de Paris
Pacaud, J.-M. (2017). Trahaldia, un nouveau genre de Columbellidae (Gastropoda: Neogastropoda) du Bartonien (Éocène moyen) du bassin de Paris. Xenophora taxonomy 16: 3-8
In: Xenophora taxonomy. Association Française de Conchyliologie - Xenophora: Paris. ISSN 2271-0906, more
Peer reviewed article  
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Keywords
    France
    Geological time > Phanerozoic > Geological time > Cenozoic > Paleogene > Palaeogene > Eocene
    New genus
    Columbellidae Swainson, 1840 [WoRMS]; Trahaldia Pacaud, 2017 † [WoRMS]; Trahaldia ringens (Deshayes, 1865) † [WoRMS]
    French Exclusive Economic Zone [Atlantic part] [Marine Regions]
Author  Top 
  • Pacaud, J.-M.
Abstract
    The Bartonian (Middle Eocene) species of Paris Basin (France) Purpura ringens Deshayes, 1865 is interpreted again and a new figuration is given based on recently collected material. The species is attributed to a new genus Trahaldia, family Columbellidae Swainson, 1840 (Gastropoda, Neogastropoda). The identification of morphological features enables separation of this new genus within Columbellidae. The residual colour pattern preserved is revealed under UV lighting for the first time.
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