New genus of the tribe Ceutorhynchini (Coleoptera: Curculionidae) from the late Oligocene of Enspel, southwestern Germany, with a remark on the role of weevils in the ancient food web-Reference-Cited by-同舟云学术

New genus of the tribe Ceutorhynchini (Coleoptera: Curculionidae) from the late Oligocene of Enspel, southwestern Germany, with a remark on the role of weevils in the ancient food web

Published:2020-11-23 Issue:2 Volume:23 Page:197-204
ISSN:2193-0074
Container-title:Fossil Record
language:en
Short-container-title:Foss. Rec.

Author:

Legalov Andrei A.^ORCID,Poschmann Markus J.^ORCID

Abstract

Abstract. The new weevil genus Igneonasus gen. nov. (type species: I. rudolphi sp. nov.) of the tribe Ceutorhynchini (Curculionidae: Conoderinae: Ceutorhynchitae) is described from the late Oligocene of Fossillagerstätte Enspel, Germany. The new genus differs from the similar genus Stenocarus Thomson, 1859 in the anterior margin of the pronotum, which is not raised, a pronotum without tubercles on the sides, and a femur without teeth. This weevil is the largest representative of this supertribe and the first fossil Curculionidae species described from the paleolake Enspel. In this ancient ecosystem, weevils were at least sometimes an important food resource for the cyprinid fish Palaeorutilus enspelensis.

Publisher

Pensoft Publishers

Link

https://fr.copernicus.org/articles/23/197/2020/fr-23-197-2020.pdf

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