A geometric morphometric analysis of hominin upper premolars. Shape variation and morphological integration

Publication year: 2011 Source: Journal of Human Evolution, Available online 1 November 2011 Aida Gómez-Robles, María Martinón-Torres, José María Bermúdez de Castro, Leyre Prado-Simón, Juan Luis Arsuaga This paper continues the series of articles initiated in 2006 that analyse hominin dental crown morphology by means of geometric morphometric techniques. The detailed study of both upper premolar occlusal morphologies in a comprehensive sample of hominin fossils, including those coming from the Gran Dolina-TD6 and Sima de los Huesos sites from Atapuerca, Spain, complement previous works on lower first and second premolars and upper first molars. A morphological gradient consisting of the change from asymmetric to symmetric upper premolars and a marked reduction of the lingual cusp in recentHomospecies has been observed in both premolars

Publication year: 2011 Source: Journal of Human Evolution, Available online 1 November 2011 Aida Gómez-Robles, María Martinón-Torres, José María Bermúdez de Castro, Leyre Prado-Simón, Juan Luis Arsuaga This paper continues the series of articles initiated in 2006 that analyse hominin dental crown morphology by means of geometric morphometric techniques. The detailed study of both upper premolar occlusal morphologies in a comprehensive sample of hominin fossils, including those coming from the Gran Dolina-TD6 and Sima de los Huesos sites from Atapuerca, Spain, complement previous works on lower first and second premolars and upper first molars. A morphological gradient consisting of the change from asymmetric to symmetric upper premolars and a marked reduction of the lingual cusp in recentHomospecies has been observed in both premolars

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A geometric morphometric analysis of hominin upper premolars. Shape variation and morphological integration