Discovery of an embrithopod mammal (Arsinoitherium?) in the late Eocene of Tunisia

Nicolas Vialle; Gilles Merzeraud; Cyrille Delmer; Monique Feist; Suzanne Jiquel; Laurent Marivaux; Anusha Ramdarshan; Monique Vianey-Liaud; El Mabrouk Essid; Wissem Marzougui; Hayet Khayati Ammar; Rodolphe Tabuce

doi:10.1016/j.jafrearsci.2013.07.010

Discovery of an embrithopod mammal (Arsinoitherium?) in the late Eocene of Tunisia

Nicolas Vialle, Gilles Merzeraud, Cyrille Delmer, Monique Feist, Suzanne Jiquel, Laurent Marivaux, Anusha Ramdarshan, Monique Vianey-Liaud, El Mabrouk Essid, Wissem Marzougui, Hayet Khayati Ammar, Rodolphe Tabuce

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Abstract

Dental and postcranial remains (an atlas, carpus and metacarpus elements, and a part of the pelvic girdle) of an embrithopod mammal are described from Bir Om Ali, Tunisia, a new late Eocene locality. The enamel microstructure of a tooth fragment found in association shows 'arsinoitheriid radial enamel', an enamel condition which is characteristic of Arsinoitherium (Arsinoitheriidae, Embrithopoda). Although the postcranial elements slightly differ in size and morphology from those of Arsinoitherium zitteli (late Eocene to early Oligocene), we tentatively refer this new Eocene Tunisian material to that genus. These fossils represent the first known embrithopod from the Eocene of Tunisia.

Original language	English
Pages (from-to)	86-92
Number of pages	7
Journal	Journal of African Earth Sciences
Volume	87
Early online date	31 Jul 2013
DOIs	https://doi.org/10.1016/j.jafrearsci.2013.07.010
Publication status	Published - 30 Nov 2013

Funding

Electron microscopy was performed at the Centre Régional d’Imagerie Cellulaire (Montpellier, France). We thank two anonymous reviewers for their comments and constructive remarks. This research was supported by the French ANR-ERC PALASIAFRICA Program (ANR-08-JCJC-0017) and CS-UM2 grants. This is ISE-M publication 2013-112.

Funders	Funder number
ANR-ERC	ANR-08-JCJC-0017

Keywords

Africa
Arsinoitherium
Charophytes
Enamel microstructure
Palaeogene

ASJC Scopus subject areas

Geology
Earth-Surface Processes

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title = "Discovery of an embrithopod mammal (Arsinoitherium?) in the late Eocene of Tunisia",

abstract = "Dental and postcranial remains (an atlas, carpus and metacarpus elements, and a part of the pelvic girdle) of an embrithopod mammal are described from Bir Om Ali, Tunisia, a new late Eocene locality. The enamel microstructure of a tooth fragment found in association shows 'arsinoitheriid radial enamel', an enamel condition which is characteristic of Arsinoitherium (Arsinoitheriidae, Embrithopoda). Although the postcranial elements slightly differ in size and morphology from those of Arsinoitherium zitteli (late Eocene to early Oligocene), we tentatively refer this new Eocene Tunisian material to that genus. These fossils represent the first known embrithopod from the Eocene of Tunisia.",

keywords = "Africa, Arsinoitherium, Charophytes, Enamel microstructure, Palaeogene",

author = "Nicolas Vialle and Gilles Merzeraud and Cyrille Delmer and Monique Feist and Suzanne Jiquel and Laurent Marivaux and Anusha Ramdarshan and Monique Vianey-Liaud and Essid, {El Mabrouk} and Wissem Marzougui and Ammar, {Hayet Khayati} and Rodolphe Tabuce",

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AU - Merzeraud, Gilles

AU - Delmer, Cyrille

AU - Feist, Monique

AU - Jiquel, Suzanne

AU - Marivaux, Laurent

AU - Ramdarshan, Anusha

AU - Vianey-Liaud, Monique

AU - Essid, El Mabrouk

AU - Marzougui, Wissem

AU - Ammar, Hayet Khayati

AU - Tabuce, Rodolphe

PY - 2013/11/30

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N2 - Dental and postcranial remains (an atlas, carpus and metacarpus elements, and a part of the pelvic girdle) of an embrithopod mammal are described from Bir Om Ali, Tunisia, a new late Eocene locality. The enamel microstructure of a tooth fragment found in association shows 'arsinoitheriid radial enamel', an enamel condition which is characteristic of Arsinoitherium (Arsinoitheriidae, Embrithopoda). Although the postcranial elements slightly differ in size and morphology from those of Arsinoitherium zitteli (late Eocene to early Oligocene), we tentatively refer this new Eocene Tunisian material to that genus. These fossils represent the first known embrithopod from the Eocene of Tunisia.

AB - Dental and postcranial remains (an atlas, carpus and metacarpus elements, and a part of the pelvic girdle) of an embrithopod mammal are described from Bir Om Ali, Tunisia, a new late Eocene locality. The enamel microstructure of a tooth fragment found in association shows 'arsinoitheriid radial enamel', an enamel condition which is characteristic of Arsinoitherium (Arsinoitheriidae, Embrithopoda). Although the postcranial elements slightly differ in size and morphology from those of Arsinoitherium zitteli (late Eocene to early Oligocene), we tentatively refer this new Eocene Tunisian material to that genus. These fossils represent the first known embrithopod from the Eocene of Tunisia.

KW - Africa

KW - Arsinoitherium

KW - Charophytes

KW - Enamel microstructure

KW - Palaeogene

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VL - 87

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JO - Journal of African Earth Sciences

JF - Journal of African Earth Sciences

ER -

Discovery of an embrithopod mammal (Arsinoitherium?) in the late Eocene of Tunisia

Abstract

Funding

Keywords

ASJC Scopus subject areas

Access to Document

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