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2013•Israel Journal of ZoologyRequires access

EVOLUTION OF THE GENUS ACOMYS (RODENTIA, MURIDAE) FROM DENTAL AND CHROMOSOMAL PATTERNS

Christiane Denys, Jean-Claude Gautun, M. TRANIER, Vitaly T. Volobouev

Open publisher page 29 citations

Abstract

ABSTRACT Acomys exhibits specie-specific dental patterns. Different dental criteria allowing one to recognize the different Acomys species are given. We focus on the distinction between members of the A. cahirinus-A. dimidiatus complex. After the morphological description of the molars and the presentation of skull and external characteristics for each species, different evolutionary trends encountered within the genus are discussed on the basis of the dental patterns of fossil Acomys and recent developments in chromosome and electrophoretic studies. The validities of the three species A. airensis, A. cahirinus, and A. dimidiatus are confirmed, as they are clearly separated according to skull measurements. Members of the A. cineraceus complex exhibit heterogeneous characters, and a new subgenus name is proposed for A. subspinosus.

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ABSTRACT Acomys exhibits specie-specific dental patterns. Different dental criteria allowing one to recognize the different Acomys species are given. We focus on the distinction between members of the A. cahirinus-A. dimidiatus complex. After the morphological description of the molars and the presentation of skull and external characteristics for each species, different evolutionary trends encountered within the genus are discussed on the basis of the dental patterns of fossil Acomys and recent developments in chromosome and electrophoretic studies. The validities of the three species A. airensis, A. cahirinus, and A. dimidiatus are confirmed, as they are clearly separated according to skull measurements. Members of the A. cineraceus complex exhibit heterogeneous characters, and a new subgenus name is proposed for A. subspinosus.

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Available abstract

ABSTRACT Acomys exhibits specie-specific dental patterns. Different dental criteria allowing one to recognize the different Acomys species are given. We focus on the distinction between members of the A. cahirinus-A. dimidiatus complex. After the morphological description of the molars and the presentation of skull and external characteristics for each species, different evolutionary trends encountered within the genus are discussed on the basis of the dental patterns of fossil Acomys and recent developments in chromosome and electrophoretic studies. The validities of the three species A. airensis, A. cahirinus, and A. dimidiatus are confirmed, as they are clearly separated according to skull measurements. Members of the A. cineraceus complex exhibit heterogeneous characters, and a new subgenus name is proposed for A. subspinosus.

Key concepts: Subgenus, Biology, Zoology, Muridae, Skull, Genus, Evolutionary biology, Anatomy

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EVOLUTION OF THE GENUS ACOMYS (RODENTIA, MURIDAE) FROM DENTAL AND CHROMOSOMAL PATTERNS — Research Paper | ScholarLens