The most lateral anatomical point on the mastoid process of temporal bone. [ http://desinfos.eu/archeozoologie.desinfos.eu/PERSO/Aides%20determination/Osteometrie/Von%20Den%20Driesch,%201976,%20A%20guide%20to%20the%20measurement%20of%20animal%20bones%20from%20archaeological%20sites.pdf https://www.worldcat.org/search?q=bn%3A9780873659505 ]
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ISSN:0372-5480, Fig. 1, "Ot" (https://intranet.vef.hr/vetarhiv/papers/2014-84-4-6.pdf)
Ot in Fig. 1 of https://www.researchgate.net/profile/Stoyan-Stoyanov-16/publication/337812291_Cranial_variability_and_sexual_dimorphism_of_golden_jackal_in_Bulgaria/links/5deb763892851c836468e9cb/Cranial-variability-and-sexual-dimorphism-of-golden-jackal-in-Bulgaria.pdf