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Status: IUCN - Lower Risk (lc) as included in C. arenarius |
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Comments: Considered a subspecies of C. arenarius by Patton (1993b), Williams et al. (1993), and Patton and Alvarez-Castañeda (1999), with which it shares an identical karyotype (Hafner and Hafner, 1983). However, both mitochondrial DNA (Riddle et al., 2000b) and morphology (D. J. Hafner, pers. comm.) suggest separate species status, although a complete analysis of the relationships of dalquesti to arenarius has not as yet been made |
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Álvarez-Castañeda & Rios (2011) and Álvarez-Castañeda et al. (2012) indicate that several subspecies from Chaetodipus arenarios (e.g., C. a. sublucidus (Nelson and Goldman, 1929) and C. a. ammophilus (Osgood, 1929)) belong in C. dalquesti (Roth, 1976). However, this would require changing the species name according to priority, such that the three (or more) would instead be subspecies of C. ammophilus (Osgood, 1907), or of whatever the senior available name is, due to nomenclatural rules |
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