Table 2 in The first report of Champsosaurus lindoei (Choristodera: Champsosauridae) from the Campanian of the United States: anatomical, phylogenetic, and palaeoecological significance
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Table 2. Skull and jaw measurements of ROM 50000 MeasurementValue (mm); left/rightBasal skull length225Maximum skull length258Skull width at quadratojugals119Snout length (anterior of orbits)132Width of snout base36.5Width of distal snout posterior to bulla15.5Width of bulla (partial)19Maximum orbital length21/23Maximum orbital width20/17Interorbital width10.5Maximum infratemporal fenestra length47.5/49Maximum infratemporal fenestra width24/18Maximum supratemporal fenestra length78/75Maximum supratemporal fenestra width27/27Width of parietal table12Length of parietal table (posterior to orbits)49Anteroposterior length of maxillary/premaxillary tooth row138
表2 ROM 50000号标本的头骨与颌骨测量数据 测量项 测量值(毫米);左侧/右侧 颅底长(basal skull length) 225 最大颅长(maximum skull length) 258 轭骨(quadratojugals)处颅宽 119 吻长(眼眶前方段)(snout length (anterior of orbits)) 132 吻基部宽(width of snout base) 36.5 鼓室(bulla)后方的吻远端宽(width of distal snout posterior to bulla) 15.5 鼓室宽(部分测量)(width of bulla (partial)) 19 最大眶长(maximum orbital length) 21/23(左/右) 最大眶宽(maximum orbital width) 20/17(左/右) 眶间距(interorbital width) 10.5 最大颞下窗长(maximum infratemporal fenestra length) 47.5/49(左/右) 最大颞下窗宽(maximum infratemporal fenestra width) 24/18(左/右) 最大颞上窗长(maximum supratemporal fenestra length) 78/75(左/右) 最大颞上窗宽(maximum supratemporal fenestra width) 27/27(左/右) 顶骨板宽(width of parietal table) 12 顶骨板长(眼眶后方段)(length of parietal table (posterior to orbits)) 49 上颌骨/前上颌骨齿列前后径(anteroposterior length of maxillary/premaxillary tooth row) 138



