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. 2015 Jun 3;10(6):e0125819. doi: 10.1371/journal.pone.0125819

Fig 12. Definition of anconeal fossa depth ratio.

Fig 12

The distal end of the humerus of Camarasaurus grandis (YPM 1901, modified from Ostrom and McIntosh [100]), showing the definition of the ratio used to estimate anconeal (= supracondylar) fossa depth. Ratio = Y/X (see Table 2). Note that X excludes the anterodistal processes if present: this is because these processes are often absent or highly reduced in titanosaurs, and their inclusion in X would mean that the fossa depth ratio would be estimated in an inconsistent manner across Sauropoda. Abbreviation: af, anconeal fossa.