TABLE 2 in Redescription of a small Caviidae (Rodentia: Hystricognathi) from the Neogene of northwestern Argentina and its systematic implications

TABLE 2. — Compared measurements (in mm) of the upper molariforms of Orthomyctera rigens (Ameghino, 1888) and Orocavia andina n. comb. Abbreviations: APL, anteroposterior length; LLA, anteroposterior length of anterior lobe; LPL, anteroposterior length of posterior lobe. Abbreviations: L, left; R, right.
OrthomycterarigensOrocavia andina n. comb.MesuresSideMACN-A 1661 (holotype)MACN 8350 (holotype)FNMH-P 14370FNMH-P 14464MACN-Pv 8351MACN - Pv 8399MACN-Pv 8401MACN-Pv 8402MACN-Pv 8403MACN-Pv 8404MACN-Pv 8409MCH-P 90MCH-P 91PVL 4892APL dentalR–12.4413.73*–13.2411.6310.6010.78–––11.265––seriesL14.54–13.8411.9912.9312.3310.68–14.05211.65–––11.86APL P4R3.28–3.35*–3.132.652.222.183.24––2.33––L3.242.642.58*2.642.812.832.112.203.121.97–––2.86LLAR1.591.391.75*–1.681.331.091.061.67––1.08–L1.581.201.251.221.511.531.001.201.51––––1.51LPLR1.42–1.38*–1.281.141.000.95*1.33––1.07–L1.471.171.2731.221.141.171.000.94*1.38––––1.27APL M 1R3.032.532.98–2.742.472.452.183.202.99–2.532.86L3.022.64–2.702.712.572.382.283.012.612.23––2.49LLAR1.551.12––1.371.251.191.081.551.48–1.191.34L1.451.181.341.291.301.241.191.021.451.151.02–1.13LPLR1.661.201.35–1.231.231.16–1.441.181.151.251.15L1.541.191.471.251.371.191.051.141.331.241.17––1.18APL M2R3.442.662.98–2.892.54––3.17–2.642.773.11–L3.402.772.932.812.862.742.602.203.112.852.62––2.77LLAR1.651.211.39–1.361.28–1.221.49–1.251.311.29–L1.961.201.421.281.331.231.230.95*1.511.331.26––1.30LPLR–1.261.33–1.401.24––1.51–1.251.331.55–L1.701.341.331.391.361.321.240.99*1.491.081.18––1.27APL M3R–3.694.09–4.354.153.703.543.18*3.70––L5.183.924.423.854.124.353.532.71*4.484.223.38––3.70LLAR–1.101.20–1.281.351.211.07––1.14–––L1.791.111.211.261.301.311.19–1.411.351.17––1.23LPLR–2.422.66*–2.952.772.352.35––1.91*–––L3.302.543.042.372.662.952.31–2.892.802.03––2.24angle of the M3––87.46°––107.47°74.41°123.25°102.23°108.34°111.46°––––