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. 2008 Sep 26;154(2):353–385. doi: 10.1111/j.1096-3642.2008.00416.x

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© 2008 The Linnean Society of London

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Ungrouped morphometric separation (principal components analysis) of specimens identified (on the basis of geography and qualitative features) as A. hoevenii, A. albogularis and A. collaris, drawing from ten craniodental measurements (Table 2). Symbols for taxa and ages as in Figure 3.