NDLI: Arvicola mosbachensis (Schmidtgen 1911) of Mosbach 2: a basic sample for the early evolution of the genus and a reference for further biostratigraphical studies

Content Provider	Springer Nature Link
Author	Maul, Lutz Christian Rekovets, Leonid Heinrich, Wolf Dieter Keller, Thomas Storch, Gerhard
Copyright Year	2000
Abstract	Arvicola materials from Mosbach 2, including the types ofA. mosbachensis housed at the Forschungsinstitut Senckenberg Frankfurt am Main, are described. Six specimens display incipient root development. This population is therefore one of the oldest of the genusArvicola. This is confirmed by SDQ and tooth length values indicating a primitive evolutionary stage. The age of the population correlates with either Cromer Interglacial III or IV.The type material ofArvicola cantianus consists of a few fragmentary molars only. This scarce material does not permit a clear assessment of the most significant features in middle Pleistocene populations, rootless molars with negative enamel differentiation, and is not clearly distinguishable from eitherMimomys savini orArvicola terrestris. We therefore propose to restrict the nameA. cantianus to the type material. All other middle PleistoceneArvicola finds should be referred toA. mosbachensis,Die im Forschungsinstitut Senckenberg in Frankfurt am Main aufbewahrtenArvicola Reste von Mosbach 2, einschließlich des Typusmaterials vonA. mosbachensis, werden beschrieben. Die an sechs Exemplaren zu beobachtende beginnende Wurzelbildung belegt, daß es sich hierbei um eine der ältestenArvicola Population handelt. Die SDQ-Werte sowie die Zahnlängen verweisen ebenfalls auf ein primitives Evolutionsniveau. Das Alter der Population kann mit dem Cromer Interglazial III oder IV korreliert werden.Das Typusmaterial vonArvicola cantianus besteht nur aus wenigen fragmentarischen Molaren. Hierbei kann die Ausbildung der für die taxonomische Zuordnung der mittelpleistozänenArvicola Funde wichtigen Merkmale, Wurzellosigkeit der Molaren und negative Schmelzdifferenzierung, nicht eindeutig festgestellt werden. Das Material ist somit weder vonMimomys savini noch vonArvicola terrestris eindeutig abgrenzbar. Daher wird vorgeschlagen, die Verwendung des NamensA. cantianus auf das Typus Material zu beschränken. Alle anderen mittelpleistozänenArvicola Funde sollten zuA. mosbachensis gestellt werden.
Starting Page	129
Ending Page	147
Page Count	19
File Format	PDF
ISSN	00372110
Journal	Palaeobiodiversity and Palaeoenvironments
Volume Number	80
Issue Number	1
Language	German
Publisher	Springer-Verlag
Publisher Date	2000-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Mammalia Rodentia Arvicola Middle Pleistocene phylogeny taxonomy Paleontology Biodiversity Animal Systematics/Taxonomy/Biogeography Plant Systematics/Taxonomy/Biogeography Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Paleontology

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