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A new species of Odontobuthus (Scorpiones: Buthidae) from northern Oman.

Author(s): Lowe, Graeme

Journal: Euscorpius
ISSN 1536-9307

Issue: 96;
Start page: 1;
Date: 2010;
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Keywords: scorpions | systematics | new species | Oman | Buthidae | Odontobuthus

The Asian buthid genus Odontobuthus is newly recorded from the Arabian Peninsula where is represented by O. brevidigitus sp. nov. from the Batínah coast and foothills of the Al Hajar mountains of northern Oman. The new species is characterized by short pedipalp fingers, long pectines with narrow basal middle lamella, 2–3 enlarged denticles on ventrosubmedian carinae of metasoma II–III, stout metasoma IV with 10 anterior transverse granules, 3 lateral anal lobes, and enlarged dentition on the ventral anal arch. A model is proposed for the speciation of Odontobuthus by westward dispersal of an ancestral population on the Indus floodplain, followed by vicariant tectonic events in the Miocene and Pliocene that led to divergence of four species in temporal sequence: O. odonturus, O. doriae, O. bidentatus and O. brevidigitus sp. nov.
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