德国西南部Enspel晚渐新世Ceutorhynchini族新属(鞘翅目:象鼻虫科)，兼论象鼻虫在古代食物网中的作用

IF 1.9 4区地球科学 Q1 PALEONTOLOGY

Fossil Record Pub Date : 2020-11-23 DOI:10.5194/fr-23-197-2020

A. Legalov, M. Poschmann

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引用次数: 2

摘要

摘要描述了德国Enspel地区晚渐新世象鼻虫科象鼻虫科象鼻虫科象鼻虫科新属Igneonasus gen. nov(模式种:I. rudolphi sp. nov)。这个新属与1859年的类似的窄鼻属汤姆森(Stenocarus Thomson)的不同之处在于，它的前缘没有凸起，前缘两侧没有结节，股骨没有牙齿。这只象鼻虫是这个超级部落的最大代表，也是在古恩斯佩尔湖发现的第一个象鼻虫科化石。在这个古老的生态系统中，象鼻虫至少有时是鲤科鱼类古贻贝(paleorutilus enspelensis)的重要食物来源。

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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

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 Fossillagerstatte 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.

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来源期刊

Fossil Record PALEONTOLOGY-

CiteScore

3.60

自引率

7.10%

发文量

审稿时长

14 weeks

期刊介绍： Fossil Record (FR) is the palaeontological journal of the Museum für Naturkunde Berlin. This journal was founded in 1998 under the name Mitteilungen aus dem Museum für Naturkunde Berlin, Geowissenschaftliche Reihe and appears with two issues each year. Fossil Record publishes original papers in all areas of palaeontology including the taxonomy and systematics of fossil organisms, biostratigraphy, palaeoecology, and evolution. All taxonomic groups are treated, including invertebrates, microfossils, plants, and vertebrates.