(en) Israel M. Sánchez, Victoria Quiralte, Jorge Morales, Beatriz Azanza et Martin Pickford, « Sexual dimorphism of the frontal appendages of the early Miocene African pecoran Prolibytherium Arambourg, 1961 (Mammalia, Ruminantia) », Journal of Vertebrate Paleontology, vol. 30, no 4, , p. 1306–1310 (DOI10.1080/02724634.2010.483555, JSTOR40864406)
(en) S.-Q. Wanget al., « Sexual selection promotes giraffoid head-neck evolution and ecological adaptation », Science, vol. 376, no 6597, , p. 1306–1310 (PMID35653459, DOI10.1126/science.abl8316, S2CID249313002)
(en) Israel M. Sánchez, Victoria Quiralte, Jorge Morales, Beatriz Azanza et Martin Pickford, « Sexual dimorphism of the frontal appendages of the early Miocene African pecoran Prolibytherium Arambourg, 1961 (Mammalia, Ruminantia) », Journal of Vertebrate Paleontology, vol. 30, no 4, , p. 1306–1310 (DOI10.1080/02724634.2010.483555, JSTOR40864406)