First fossils of the Isopod Genus Aega Leach, 1815

Thomas Hansen; Jesper Hansen

First fossils of the Isopod Genus Aega Leach, 1815

Thomas Hansen, Jesper Hansen

Geology

7 Citations (Scopus)

Abstract

Two abdominal molts representing a small cymothoid isopod are described from the marine late Miocene Gram Formation of southern Denmark. Abdominal molts are generally regarded as being difficult or even impossible to assign to genus or family due to overlap of morphological characters. A preliminary study supported by statistical and multivariate analysis of the genera most closely resembling the specimens reveals that although some overlap in characters do occur, the genera can to a large extent be defined by a diagnostic set of features. The Danish Miocene taxon described herein is assigned to AegaLeach, 1815 as the only known fossil of this important cosmopolitan genus.

Original language	English
Journal	Journal of Paleontology
Volume	84
Issue number	1
Pages (from-to)	141-147
Number of pages	7
ISSN	0022-3360
Publication status	Published - Jan 2010

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abstract = "Two abdominal molts representing a small cymothoid isopod are described from the marine late Miocene Gram Formation of southern Denmark. Abdominal molts are generally regarded as being difficult or even impossible to assign to genus or family due to overlap of morphological characters. A preliminary study supported by statistical and multivariate analysis of the genera most closely resembling the specimens reveals that although some overlap in characters do occur, the genera can to a large extent be defined by a diagnostic set of features. The Danish Miocene taxon described herein is assigned to AegaLeach, 1815 as the only known fossil of this important cosmopolitan genus.",

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AB - Two abdominal molts representing a small cymothoid isopod are described from the marine late Miocene Gram Formation of southern Denmark. Abdominal molts are generally regarded as being difficult or even impossible to assign to genus or family due to overlap of morphological characters. A preliminary study supported by statistical and multivariate analysis of the genera most closely resembling the specimens reveals that although some overlap in characters do occur, the genera can to a large extent be defined by a diagnostic set of features. The Danish Miocene taxon described herein is assigned to AegaLeach, 1815 as the only known fossil of this important cosmopolitan genus.

M3 - Journal article

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SP - 141

EP - 147

JO - Journal of Paleontology

JF - Journal of Paleontology

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ER -

First fossils of the Isopod Genus Aega Leach, 1815

Abstract

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