NDLI: A new species ofTrapa (Trapaceae) from the Pliocene of the Zennern Depression, near Fritzlar (Hesse, Germany)

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A new species ofTrapa (Trapaceae) from the Pliocene of the Zennern Depression, near Fritzlar (Hesse, Germany)

Content Provider	Springer Nature Link
Author	Wójcicki, Jan J. Wilde, Volker
Copyright Year	2001
Abstract	A single, unusual, but highly informative specimen ofTrapa Linné 1753 from Pliocene sediments collected in a gravel-pit within the Zennern Depression, near Fritzlar (Hesse, Germany), has been subjected to detailed investigation. This specimen possesses a unique combination of morphological characters when compared to known fossil and extant representatives of the genusTrapa L. and has led to the erection of a new species,Trapa fritzlariensis Wójcicki etWilde sp. nov. This species shares several characters with the closely related genusHemitrapa Miki 1941 and appears intermediate toTrapa andHemitrapa in several ways. In particular, its features fill a gap between the ranges of variability known from the“Trapa” and“Hemitrapa” morphotypes.Trapa fritzlariensis sp. nov. may prove to be of significance in understanding the evolution of theTrapa-Hemitrapa-complex, as it suggests that the two genera are closer than previously recognised and have evolved from a shared common ancestor.Pliozäne Sedimente aus einer Kiesgrube in der Nähe von Fritzlar (Hessen) lieferten ein einzelnes Exemplar der Frucht einer Wassernuß (Trapa Linné 1753). Es weist eine Reihe von Merkmalen auf, die es im Vergleich mit den bisher bekannten rezenten und fossilen Vertretern der Gattung als eine eigene Art kennzeichnen. Sie wird alsTrapa fritzlariensis Wójcicki etWilde sp. nov. beschrieben. Diese pliozäne Art hat einige Merkmale mit der nahe verwandten GattungHemitrapa Miki 1941 gemeinsam und erscheint deshalb in verschiedener Hinsicht als intermediär. Sie füllt eine Lücke in der morphologischen Variabilität zwischen den bisher bekannten „Trapa“- und „Hemitrapa“-Morphotypen und weist so darauf hin, daß diese näher miteinander verwandt sind, als bisher angenommen wurde. Diese Tatsache ist für das Verständnis der Evolution des wahrscheinlich auf einen gemeinsamen Vorfahren zurückgehendenTrapa-Hemitrapa-Komplexes bedeutend.
Starting Page	17
Ending Page	23
Page Count	7
File Format	PDF
ISSN	00372110
Journal	Palaeobiodiversity and Palaeoenvironments
Volume Number	81
Issue Number	1
Language	German
Publisher	Springer-Verlag
Publisher Date	2001-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Trapa Hemitrapa Trapaceae taxonomy morphology fruits palaeobotany Tertiary Pliocene Germany 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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