;ISS/SL;"PS length/width 1";"PS length/width 2";"BS length/width 1";"BS length/width 2" "Lemur catta" fetal;0.186;1.112;0.756;0.814;0.806 newborn;0.133;1.385;1.142;1.385;1.150 "one month";0.080;2.213;1.437;1.501;1.323 "Saguinus geoffroyi" fetal;0.410;1.191;1.289;1.146;0.944 newborn;0.068;8.348;2.973;1.832;1.306 ;;;;; "Saguinus oedipus" newborn;0.080;5.601;2.661;1.712;1.394 "one month";0.037;6.283;2.751;1.815;1.602 "BS length/ width 1: ratio at anterior and of basisphenoid body; BS length/ width 2: ratio at posterior and of basisphenoid body; ISS/SL: ratio of intrasphenoidal synchondrosis to total sphenoid length (= anterior end of presphenoid body to poster end of basisphenoid body); PS length/ width 1: ratio at anterior and of presphenoid body; PS length/ width 2: ratio at posterior and of presphenoid body; SL, total sphenoid length."