The Origin of the Mangrove and Saltmarsh Snail <i>Ellobium</i> (Eupulmonata, Ellobiidae)

The pulmonate gastropod genus <i>Ellobium</i> has its greatest diversity in the modern Indo-West Pacific Region (IWP). Its origin, however, is traced to the Early Oligocene of the Northeastern Atlantic and the Western Tethys Region. Two <i>Ellobium</i> species are documented...

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Main Authors: Mathias Harzhauser, Jean-Michel Pacaud, Bernard M. Landau
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:Taxonomy
Subjects:
Online Access:https://www.mdpi.com/2673-6500/3/1/7
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author Mathias Harzhauser
Jean-Michel Pacaud
Bernard M. Landau
author_facet Mathias Harzhauser
Jean-Michel Pacaud
Bernard M. Landau
author_sort Mathias Harzhauser
collection DOAJ
description The pulmonate gastropod genus <i>Ellobium</i> has its greatest diversity in the modern Indo-West Pacific Region (IWP). Its origin, however, is traced to the Early Oligocene of the Northeastern Atlantic and the Western Tethys Region. Two <i>Ellobium</i> species are documented from the Rupelian of France and Italy and a new species is recorded from the Chattian of Hungary: <i>Ellobium kerwaensis</i> nov. sp. The first records in the IWP are known from the Early Miocene, suggesting an eastward range expansion of the genus around the Oligocene/Miocene boundary, when <i>Ellobium</i> became extinct in the European seas. Extant <i>Ellobium</i> species are bound to habitats above the high tide line in salt marshes and mangroves. Comparable environmental requirements are expected for the fossil congeners. <i>Ellobium</i> may derive from Eocene ancestors, such as the Bartonian <i>Eoellobium heberti</i> from the Northeastern Atlantic. <i>Eoellobium</i> is introduced in this paper as a new genus.
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spelling doaj.art-c6eb6726054d465ca2f2ab456780c7b12023-11-17T14:11:41ZengMDPI AGTaxonomy2673-65002023-01-0131688410.3390/taxonomy3010007The Origin of the Mangrove and Saltmarsh Snail <i>Ellobium</i> (Eupulmonata, Ellobiidae)Mathias Harzhauser0Jean-Michel Pacaud1Bernard M. Landau2Geological-Paleontological Department, Natural History Museum Vienna, Burgring 7, 1010 Vienna, AustriaCentre de Recherche en Paléontologie—Paris, Muséum National d’Histoire Naturelle, Sorbonne Université, CNRS, 57 rue Cuvier, CP 38, 75005 Paris, FranceNaturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The NetherlandsThe pulmonate gastropod genus <i>Ellobium</i> has its greatest diversity in the modern Indo-West Pacific Region (IWP). Its origin, however, is traced to the Early Oligocene of the Northeastern Atlantic and the Western Tethys Region. Two <i>Ellobium</i> species are documented from the Rupelian of France and Italy and a new species is recorded from the Chattian of Hungary: <i>Ellobium kerwaensis</i> nov. sp. The first records in the IWP are known from the Early Miocene, suggesting an eastward range expansion of the genus around the Oligocene/Miocene boundary, when <i>Ellobium</i> became extinct in the European seas. Extant <i>Ellobium</i> species are bound to habitats above the high tide line in salt marshes and mangroves. Comparable environmental requirements are expected for the fossil congeners. <i>Ellobium</i> may derive from Eocene ancestors, such as the Bartonian <i>Eoellobium heberti</i> from the Northeastern Atlantic. <i>Eoellobium</i> is introduced in this paper as a new genus.https://www.mdpi.com/2673-6500/3/1/7EllobiidaeWestern TethysParatethys SeaOligocenemangrovesalt marsh
spellingShingle Mathias Harzhauser
Jean-Michel Pacaud
Bernard M. Landau
The Origin of the Mangrove and Saltmarsh Snail <i>Ellobium</i> (Eupulmonata, Ellobiidae)
Taxonomy
Ellobiidae
Western Tethys
Paratethys Sea
Oligocene
mangrove
salt marsh
title The Origin of the Mangrove and Saltmarsh Snail <i>Ellobium</i> (Eupulmonata, Ellobiidae)
title_full The Origin of the Mangrove and Saltmarsh Snail <i>Ellobium</i> (Eupulmonata, Ellobiidae)
title_fullStr The Origin of the Mangrove and Saltmarsh Snail <i>Ellobium</i> (Eupulmonata, Ellobiidae)
title_full_unstemmed The Origin of the Mangrove and Saltmarsh Snail <i>Ellobium</i> (Eupulmonata, Ellobiidae)
title_short The Origin of the Mangrove and Saltmarsh Snail <i>Ellobium</i> (Eupulmonata, Ellobiidae)
title_sort origin of the mangrove and saltmarsh snail i ellobium i eupulmonata ellobiidae
topic Ellobiidae
Western Tethys
Paratethys Sea
Oligocene
mangrove
salt marsh
url https://www.mdpi.com/2673-6500/3/1/7
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