Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic Elcanidae

The orthopteran fauna of the Paleocene of Menat Formation (France) is revised. It comprises at least 12 species in the following clades: Grylloidea (an undescribed species, Menatgryllus longixiphus gen. et sp. nov.); Tettigoniidae (Prophasgonura lineatocollis); Elcanidae (Cenoelcanus menatensis gen....

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Main Authors: Thomas Schubnel, Laure Desutter-Grandcolas, Romain Garrouste, Sophie Hervet, Andre Nel
Format: Article
Language:English
Published: Institute of Paleobiology PAS 2020-06-01
Series:Acta Palaeontologica Polonica
Subjects:
Online Access:http://www.app.pan.pl/archive/published/app65/app006762019.pdf
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author Thomas Schubnel
Laure Desutter-Grandcolas
Romain Garrouste
Sophie Hervet
Andre Nel
author_facet Thomas Schubnel
Laure Desutter-Grandcolas
Romain Garrouste
Sophie Hervet
Andre Nel
author_sort Thomas Schubnel
collection DOAJ
description The orthopteran fauna of the Paleocene of Menat Formation (France) is revised. It comprises at least 12 species in the following clades: Grylloidea (an undescribed species, Menatgryllus longixiphus gen. et sp. nov.); Tettigoniidae (Prophasgonura lineatocollis); Elcanidae (Cenoelcanus menatensis gen. et sp. nov.); two Eumastacoidea (Paleochina duvergeri gen. et sp. nov. and Paleochina minuta sp. nov., tentatively placed in the extant family Chorotypidae). These two last taxa are compared to the other described fossil Eumastacoidea. As all these Eumastacoidea are represented by tegmina or hindwings, their previous attributions to the Eumastacidae sensu stricto are questionable. All previously described fossil Caelifera from Menat are considered of uncertain position. Those that were previously considered as Acridoidea are excluded from this clade. In consequence, the oldest described Acridoidea are Oligocene, at the time of diversification of the grasses on which these insects predominantly live, in accordance with the most recent molecular dating of the Acrididae. Cenoelcanus menatensis is the youngest and first Cenozoic representative of the Mesozoic Elcanidae, showing that this family survived the Cretaceous–Paleocene extinction and became extinct during the Paleogene.
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spelling doaj.art-ed8346e958aa43d99d4a7020be05967b2022-12-21T19:18:16ZengInstitute of Paleobiology PASActa Palaeontologica Polonica0567-79201732-24212020-06-0165237138510.4202/app.0676.2019Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic ElcanidaeThomas Schubnel0Laure Desutter-Grandcolas1Romain Garrouste2Sophie Hervet3Andre Nel4Institut Systématique Evolution Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, Université des Antilles, EPHE, 57 rue Cuvier, CP 50, 75005 Paris, FranceInstitut Systématique Evolution Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, Université des Antilles, EPHE, 57 rue Cuvier, CP 50, 75005 Paris, FranceInstitut Systématique Evolution Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, Université des Antilles, EPHE, 57 rue Cuvier, CP 50, 75005 Paris, FranceAssociation Paléovergne, Musée de Paléontologie de Menat, Place de la Mairie, F-63560 Menat, FranceInstitut Systématique Evolution Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, Université des Antilles, EPHE, 57 rue Cuvier, CP 50, 75005 Paris, FranceThe orthopteran fauna of the Paleocene of Menat Formation (France) is revised. It comprises at least 12 species in the following clades: Grylloidea (an undescribed species, Menatgryllus longixiphus gen. et sp. nov.); Tettigoniidae (Prophasgonura lineatocollis); Elcanidae (Cenoelcanus menatensis gen. et sp. nov.); two Eumastacoidea (Paleochina duvergeri gen. et sp. nov. and Paleochina minuta sp. nov., tentatively placed in the extant family Chorotypidae). These two last taxa are compared to the other described fossil Eumastacoidea. As all these Eumastacoidea are represented by tegmina or hindwings, their previous attributions to the Eumastacidae sensu stricto are questionable. All previously described fossil Caelifera from Menat are considered of uncertain position. Those that were previously considered as Acridoidea are excluded from this clade. In consequence, the oldest described Acridoidea are Oligocene, at the time of diversification of the grasses on which these insects predominantly live, in accordance with the most recent molecular dating of the Acrididae. Cenoelcanus menatensis is the youngest and first Cenozoic representative of the Mesozoic Elcanidae, showing that this family survived the Cretaceous–Paleocene extinction and became extinct during the Paleogene.http://www.app.pan.pl/archive/published/app65/app006762019.pdfinsectaensiferaelcanoideaacridoideaeumastacoideapaleogenefrance
spellingShingle Thomas Schubnel
Laure Desutter-Grandcolas
Romain Garrouste
Sophie Hervet
Andre Nel
Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic Elcanidae
Acta Palaeontologica Polonica
insecta
ensifera
elcanoidea
acridoidea
eumastacoidea
paleogene
france
title Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic Elcanidae
title_full Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic Elcanidae
title_fullStr Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic Elcanidae
title_full_unstemmed Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic Elcanidae
title_short Paleocene of Menat Formation, France, reveals an extraordinary diversity of orthopterans and the last known survivor of a Mesozoic Elcanidae
title_sort paleocene of menat formation france reveals an extraordinary diversity of orthopterans and the last known survivor of a mesozoic elcanidae
topic insecta
ensifera
elcanoidea
acridoidea
eumastacoidea
paleogene
france
url http://www.app.pan.pl/archive/published/app65/app006762019.pdf
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