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Taxonomic review of the fossil land gastropod species hitherto placed in the genus Galactochilus Sandberger 1875, with the description of a new genus (Gastropoda: Helicoidea)

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The genus Galactochilus Sandberger has been treated as a typical fossil representative of helicoid land snails in Europe ever since its first description. Several authors have discussed the systematic relationships of the taxon, but all of them overlooked that the type species of the genus is a recent species from the Caribbean. In order to clarify their taxonomic and systematic identity, we re-examined the species formerly assigned to Galactochilus. Oligocene species, here assigned to the genus Galactochiloides Wenz, can be distinguished from Miocene representatives by differences in teleoconch surface ornamentation. For the latter we introduce the new genus Agalactochilus, with the late Miocene Helix leobersdorfensis Troll as type species. Because of the morphological and, apparently, phylogenetic distinctness of the two genera within the Helicoidea, we propose a new subfamilial taxon, the Galactochiloidini n. trib., which we tentatively rank within the Helicidae: Ariantinae.
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Keywords: CENOZOIC; CENTRAL EUROPE; GASTROPODA; NOMENCLATURE; SYSTEMATICS; TAXONOMY

Document Type: Research Article

Publication date: 01 December 2016

More about this publication?
  • Archiv für Molluskenkunde is an international, peer-reviewed journal on all aspects of molluscan biodiversity. It preferably publishes original research papers of high quality on systematics, taxonomy, phylogeny and morphology of all groups of molluscs, both recent and fossil from the Cenozoic. Contributions of broad international interest on other aspects of malacology such as ecology and biogeography are welcome as well. Papers on physiology, parasitology, regional faunistics or those on non-Cenozoic fossils or pure biostratigraphy should be submitted elsewhere. Manuscripts shall be in English but may include an expanded abstract in a foreign language.

    Archiv für Molluskenkunde was founded in 1868 as "Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft". It has been published continuously since its foundation, making it the oldest malacological journal. It is edited by the curators of the section of Mollusca at the Senckenberg research institute.

    Up to and including Vol. 138/2 papers were published under the ISSN 0003-9284.
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