APPENDIX 1.

Evolution of some Eocene caviomorphs-bearing localities between 2011 and 2016 in the Contamana area. 1, CTA-51; 2, CTA-29; 3, CTA-27.

appendix1

APPENDIX 2.

Palaeogene caviomorph taxa used for comparisons in this study.

Genus Species Locality and/or Formation (Fm.) Age Observed material (original or cast) Primary references
Llitun L. notuca Cabeza Blanca (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene UM (cast) Vucetich et al., 2015
Leucokephalos L. zeffiae Cabeza Blanca (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene UM (cast) Vucetich et al., 2015
Octodontoidea          
Eosallamys E. paulacoutoi Santa Rosa (Yahuarango Fm.), Peru ?Late Eocene / Early Oligocene INGEMMET (holotype) Frailey and Campbell, 2004
  E. simpsoni Santa Rosa (Yahuarango Fm.), Peru ?Late Eocene / Early Oligocene INGEMMET (holotype) Frailey and Campbell, 2004
Eoespina E. woodi Santa Rosa (Yahuarango Fm.), Peru ?Late Eocene / Early Oligocene INGEMMET (holotype) Frailey and Campbell, 2004
Eosachacui E. lavocati Santa Rosa (Yahuarango Fm.), Peru ?Late Eocene / Early Oligocene INGEMMET (holotype) Frailey and Campbell, 2004
Draconomys D.verai La Cantera (Sarmiento Fm.), Argentina late Early Oligocene UM (cast) Vucetich et al., 2010
Vallehermosomys V. mazzonii La Cantera (Sarmiento Fm.), Argentina late Early Oligocene UM (cast) Vucetich et al., 2010
?Vallehermosomys ?V. merlinae La Cantera (Sarmiento Fm.), Argentina late Early Oligocene UM (cast) Vucetich et al., 2010
Migraveramus M. beatus Salla (Salla Beds), Bolivia late Early Oligocene - Late Oligocene   Patterson and Wood 1982
Sallamys S. pascuali Salla (Salla Beds), Bolivia late Early Oligocene - Late Oligocene MNHN and UM (original) Hoffstetter and Lavocat, 1970; Lavocat, 1976; Hartenberger, 1975; Patterson and Wood, 1982
  S. cf. pascuali Salla (Salla Beds), Bolivia late Early Oligocene - Late Oligocene   Shockey et al., 2009
  S. quispea Cerro Pan de Azúcar (Moquega Fm.), Peru late Early Oligocene - Late Oligocene MUSM (original) Shockey et al., 2009
Paulacoutomys P. paulista Fazenda Santa Fé (Tremembé Fm.), Brazil late Early Oligocene - Late Oligocene MLP (cast) Vucetich et al., 1993
Platypittamys P. brachyodon Scaritt Pocket (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene UM (cast) Wood, 1949; Wood and Patterson, 1959
Deseadomys D. arambourgi Cabeza Blanca (Sarmiento Fm.) and La Flecha, Argentina late Early Oligocene - Late Oligocene MHNH (original) Wood and Patterson, 1959
Galileomys G. baios Cabeza Blanca (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene UM (cast) Vucetich et al., 2015
Acarechimys A. leucotheae Cabeza Blanca (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene UM (cast) Vucetich et al., 2015
Chinchilloidea          
Branisamys B. luribayensis Salla (Salla Beds), Bolivia late Early Oligocene - Late Oligocene MNHN and UM (original) Hoffstetter and Lavocat, 1970; Lavocat, 1976; Patterson and Wood, 1982
Incamys I. bolivianus Salla (Salla Beds), Bolivia late Early Oligocene - Late Oligocene MNHN and UM (original) Hoffstetter and Lavocat, 1970; Lavocat, 1976; Patterson and Wood, 1982
  I. menniorum Cabeza Blanca (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene UM (cast) Vucetich et al., 2015
Loncolicu L. tretos Cabeza Blanca (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene UM (cast) Vucetich et al., 2015
Scotamys S. antiquus Cabeza Blanca and La Flecha (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene   Loomis, 1914; Wood and Patterson, 1959
Cephalomys C. arcidens Cabeza Blanca and La Flecha (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene MACN (original) Ameghino, 1897; Wood and Patterson, 1959
  C. plexus Cabeza Blanca and La Flecha (Sarmiento Fm.), Argentina late Early Oligocene - Late Oligocene MACN (original) Ameghino, 1897; Wood and Patterson, 1959
  C. bolivianus Salla (Salla Beds), Bolivia late Early Oligocene - Late Oligocene MNHN and UM (original) Lavocat, 1976; Patterson and Wood, 1982
Cavioidea          
Eobranisamys E. romeropittmanae Santa Rosa (Yahuarango Fm.), Peru ?Late Eocene / Early Oligocene INGEMMET (holotype) Frailey and Campbell, 2004
  E. riverai Santa Rosa (Yahuarango Fm.), Peru ?Late Eocene / Early Oligocene INGEMMET (holotype) Frailey and Campbell, 2004
Eoincamys E. ameghinoi Santa Rosa (Yahuarango Fm.), Peru ?Late Eocene / Early Oligocene INGEMMET (holotype) Frailey and Campbell, 2004
  E. pascuali Santa Rosa (Yahuarango Fm.), Peru ?Late Eocene / Early Oligocene INGEMMET (holotype) Frailey and Campbell, 2004
Andemys A. termasi Tinguiririca Termas del Flaco (Abanico Fm.), Chili late Early Oligocene - Late Oligocene   Bertrand et al., 2012

Fm., Formation; INGEMMET, Instituto Geológico Minero y Metalúrgico, Lima; MACN, Museo Argentino de Ciencias Naturales, Buenos Aires; MLP, Museo de Ciencias Naturales de La Plata; MUSM, Museo de Historia Natural de la Universidad Nacional Mayor San Marcos, Lima; MNHN, Musée National d'Histoire Naturelle, Paris; UM, Université de Montpellier.

APPENDIX 3.

Dental measurements (in millimetres) of rodent material from CTA-47, CTA- 51, CTA-73, CTA-27, CTA-66, and CTA-29, Middle Eocene - late Middle Eocene, Peruvian Amazonia.

Collection number Locality Taxon Locus ML MW Hg Hb HIg HIb
MUSM 2648 CTA 47 ?Cachiyacuy kummeli l. dP4 1.48     0.50   0.34
MUSM 2645 CTA 47 ?Canaanimys sp. r. dp4            
MUSM 2646 CTA 47 ?Canaanimys sp. l. lower molar            
MUSM 2647 CTA 47 Caviomorpha indet. 1 r. lower molar            
MUSM 2651 CTA 51 Cachiyacuy cf. contamanensis 1 r. dp4            
MUSM 2652 CTA 51 Cachiyacuy cf. contamanensis 1 l. m1 1.86 1.75        
MUSM 2653 CTA 51 Cachiyacuy cf. contamanensis 1 l. m3 2.19   0.76 0.96 0.35 0.44
MUSM 2654 CTA 51 Cachiyacuy cf. kummeli l. M1            
MUSM 2655 CTA 51 Eoespina sp. r. M2 1.38 1.41 0.80 0.44 0.57 0.31
MUSM 2656 CTA 51 Caviomorpha indet. 2 r. lower molar            
MUSM 2657 CTA 51 Caviomorpha indet. 2 l. dP4 1.50 1.36 0.68 0.42 0.45 0.31
MUSM 2658 CTA 51 Caviomorpha indet. 2 l. upper tooth 1.35 1.23        
MUSM 2659 CTA 73 Caviomorpha indet. 3 r. lower molar            
MUSM 2660 CTA 73 Caviomorpha indet. 4 l. upper molar 1.49   0.68   0.46  
MUSM 2661 CTA 27 Cachiyacuy contamanensis l. dp4 2.61 1.78 1.06 0.87 0.41 0.33
MUSM 2662 CTA 27 Cachiyacuy contamanensis l. dp4 2.16 1.51 0.68 0.58 0.32 0.27
MUSM 2663 CTA 27 Cachiyacuy contamanensis l. dp4   1.46 0.72 0.80    
MUSM 2664 CTA 27 Cachiyacuy contamanensis l. dp4            
MUSM 2665 CTA 27 Cachiyacuy contamanensis l. dp4 2.22 1.48 0.86 0.70 0.39 0.32
MUSM 2666 CTA 27 Cachiyacuy contamanensis l. dp4            
MUSM 2667 CTA 27 Cachiyacuy contamanensis l. dp4            
MUSM 1880 CTA 27 Cachiyacuy contamanensis r. dp4 2.31 1.53        
MUSM 2668 CTA 27 Cachiyacuy contamanensis r. dp4   1.34        
MUSM 2669 CTA 27 Cachiyacuy contamanensis r. dp4   1.66        
MUSM 2670 CTA 27 Cachiyacuy contamanensis r. dp4   1.53        
MUSM 2671 CTA 27 Cachiyacuy contamanensis r. dp4   1.60        
MUSM 2672 CTA 27 Cachiyacuy contamanensis r. dp4   1.48        
MUSM 2673 CTA 27 Cachiyacuy contamanensis r. dp4            
MUSM 2674 CTA 27 Cachiyacuy contamanensis l. p4 1.94 1.90   1.30   0.67
MUSM 2675 CTA 27 Cachiyacuy contamanensis l. p4            
MUSM 1879 CTA 27 Cachiyacuy contamanensis r. p4 1.99 2.00        
MUSM 2676 CTA 27 Cachiyacuy contamanensis r. p4 2.04 2.03 1.09 1.29 0.53 0.63
MUSM 2677 CTA 27 Cachiyacuy contamanensis r. p4 2.14 1.99 0.90 0.96 0.42 0.45
MUSM 2678 CTA 27 Cachiyacuy contamanensis r. p4   2.00        
MUSM 2679 CTA 27 Cachiyacuy contamanensis l. m1            
MUSM 2680 CTA 27 Cachiyacuy contamanensis l. m1 2.13 2.07 0.81 1.17 0.38 0.55
MUSM 2681 CTA 27 Cachiyacuy contamanensis l. m1 2.07   0.67   0.32  
MUSM 2682 CTA 27 Cachiyacuy contamanensis l. m1 1.94 1.87 0.64   0.33  
MUSM 1878 CTA 27 Cachiyacuy contamanensis r. m1 2.15 1.99        
MUSM 2683 CTA 27 Cachiyacuy contamanensis r. m1   1.66        
MUSM 2684 CTA 27 Cachiyacuy contamanensis r. m1 2.11 2.02 0.78   0.37  
MUSM 2685 CTA 27 Cachiyacuy contamanensis r. m1 2.09 2.07 1.11   0.53  
MUSM 2686 CTA 27 Cachiyacuy contamanensis r. m1 2.03 1.96 0.91 0.89 0.45 0.44
MUSM 2687 CTA 27 Cachiyacuy contamanensis r. m1 2.20 2.10 0.52 0.55 0.24 0.25
MUSM 2688 CTA 27 Cachiyacuy contamanensis r. m1 2.15 1.98 1.00 0.83 0.47 0.39
MUSM 2689 CTA 27 Cachiyacuy contamanensis r. m1 2.18 1.99 1.20 1.30 0.55 0.60
MUSM 2690 CTA 27 Cachiyacuy contamanensis r. m1 2.17 2.11 0.68   0.31  
MUSM 2691 CTA 27 Cachiyacuy contamanensis r. m1 2.18 2.04 0.54 0.62 0.25 0.28
MUSM 2692 CTA 27 Cachiyacuy contamanensis r. m1 2.13 2.02 0.59 1.00 0.28 0.47
MUSM 2693 CTA 27 Cachiyacuy contamanensis r. m1 2.02 1.94        
MUSM 2694 CTA 27 Cachiyacuy contamanensis r. m1 2.08 1.91 0.77 0.94 0.37 0.45
MUSM 2695 CTA 27 Cachiyacuy contamanensis l. m2 2.08          
MUSM 2696 CTA 27 Cachiyacuy contamanensis l. m2            
MUSM 2697 CTA 27 Cachiyacuy contamanensis l. m2            
MUSM 2698 CTA 27 Cachiyacuy contamanensis l. m2            
MUSM 2699 CTA 27 Cachiyacuy contamanensis l. m2 2.29 2.24        
MUSM 2700 CTA 27 Cachiyacuy contamanensis l. m2 2.27 2.28        
MUSM 2701 CTA 27 Cachiyacuy contamanensis l. m2 2.36 2.41 1.07 1.46 0.45 0.62
MUSM 2702 CTA 27 Cachiyacuy contamanensis l. m2 2.21 2.39        
MUSM 2703 CTA 27 Cachiyacuy contamanensis l. m2 2.18 2.35        
MUSM 1877 CTA 27 Cachiyacuy contamanensis r. m2 2.44 2.36        
MUSM 1914 CTA 27 Cachiyacuy contamanensis r. m2 2.45 2.33        
MUSM 1915 CTA 27 Cachiyacuy contamanensis r. m2 2.37 2.18        
MUSM 2704 CTA 27 Cachiyacuy contamanensis r. m2 2.21 2.17 0.88 1.02 0.40 0.46
MUSM 2705 CTA 27 Cachiyacuy contamanensis r. m2 2.21 2.09   0.86   0.39
MUSM 2706 CTA 27 Cachiyacuy contamanensis r. m2            
MUSM 2707 CTA 27 Cachiyacuy contamanensis r. m2            
MUSM 2708 CTA 27 Cachiyacuy contamanensis r. m2 2.49 2.52        
MUSM 2709 CTA 27 Cachiyacuy contamanensis r. m2 2.27 2.24 1.05 0.83 0.46 0.37
MUSM 2710 CTA 27 Cachiyacuy contamanensis r. m2 2.29 2.29   0.95   0.41
MUSM 2711 CTA 27 Cachiyacuy contamanensis l. m3       0.91    
MUSM 1876 CTA 27 Cachiyacuy contamanensis r. m3 2.46 2.24        
MUSM 2712 CTA 27 Cachiyacuy contamanensis r. m3 2.46 2.07   0.79   0.32
MUSM 2713 CTA 27 Cachiyacuy contamanensis r. m3 2.39 1.93        
MUSM 2714 CTA 27 Cachiyacuy contamanensis r. m3 2.35 2.14 1.13 0.80 0.48 0.34
MUSM 1875 CTA 27 Cachiyacuy contamanensis P3 or DP3 0.77 0.82        
MUSM 1874 CTA 27 Cachiyacuy contamanensis l.dP4 2.03 1.98        
MUSM 2715 CTA 27 Cachiyacuy contamanensis l. dP4 1.83 1.84 0.71 0.49 0.39 0.27
MUSM 2716 CTA 27 Cachiyacuy contamanensis l.dP4 1.85 1.71 0.83 0.58 0.45 0.31
MUSM 2717 CTA 27 Cachiyacuy contamanensis l. dP4 1.90 1.89 0.91 0.65 0.48 0.34
MUSM 2718 CTA 27 Cachiyacuy contamanensis r. dP4            
MUSM 2719 CTA 27 Cachiyacuy contamanensis r. dP4 2.06 1.88 1.26 0.77 0.61 0.38
MUSM 2720 CTA 27 Cachiyacuy contamanensis r. dP4 1.93 1.82 0.94 0.74 0.49 0.38
MUSM 2721 CTA 27 Cachiyacuy contamanensis r. dP4 1.90 1.66 0.78 0.61 0.41 0.32
MUSM 2722 CTA 27 Cachiyacuy contamanensis r. dP4 1.96 1.84 1.07 0.63 0.55 0.32
MUSM 2723 CTA 27 Cachiyacuy contamanensis r. dP4            
MUSM 2724 CTA 27 Cachiyacuy contamanensis l. P4   2.24        
MUSM 1873 CTA 27 Cachiyacuy contamanensis r. P4 1.82 2.38        
MUSM 2725 CTA 27 Cachiyacuy contamanensis r. P4 1.64 2.18 1.32 0.99 0.80 0.60
MUSM 2726 CTA 27 Cachiyacuy contamanensis r. P4 1.72 2.23 1.26 1.08 0.74 0.63
MUSM 2727 CTA 27 Cachiyacuy contamanensis r. P4            
MUSM 2728 CTA 27 Cachiyacuy contamanensis r. P4            
MUSM 2729 CTA 27 Cachiyacuy contamanensis r. P4 1.68 1.94 1.24   0.74  
MUSM 1872 CTA 27 Cachiyacuy contamanensis l. M1 2.07 2.22        
MUSM 2730 CTA 27 Cachiyacuy contamanensis l. M1 1.94 1.92 1.04 0.39 0.53 0.20
MUSM 2731 CTA 27 Cachiyacuy contamanensis l. M1 1.89 2.00 1.28   0.68  
MUSM 2732 CTA 27 Cachiyacuy contamanensis l. M1 2.12 2.22        
MUSM 2733 CTA 27 Cachiyacuy contamanensis l. M1 2.10 2.35 1.50   0.71  
MUSM 2734 CTA 27 Cachiyacuy contamanensis l. M1 1.96 2.20 1.44   0.73  
MUSM 2735 CTA 27 Cachiyacuy contamanensis l. M1 1.88 2.12        
MUSM 2736 CTA 27 Cachiyacuy contamanensis l. M1 1.89 2.11 1.06 0.67 0.56 0.35
MUSM 2737 CTA 27 Cachiyacuy contamanensis l. M1 1.90          
MUSM 2738 CTA 27 Cachiyacuy contamanensis l. M1            
MUSM 2739 CTA 27 Cachiyacuy contamanensis r. M1 1.82 2.12 1.51   0.83  
MUSM 2740 CTA 27 Cachiyacuy contamanensis r. M1 1.95          
MUSM 2741 CTA 27 Cachiyacuy contamanensis r. M1 1.95          
MUSM 2742 CTA 27 Cachiyacuy contamanensis r. M1 1.93 2.31        
MUSM 2743 CTA 27 Cachiyacuy contamanensis r. M1 1.85 2.01 1.04 0.82 0.56 0.44
MUSM 2744 CTA 27 Cachiyacuy contamanensis r. M1 2.01 1.79        
MUSM 2745 CTA 27 Cachiyacuy contamanensis r. M1            
MUSM 2746 CTA 27 Cachiyacuy contamanensis r. M1            
MUSM 2747 CTA 27 Cachiyacuy contamanensis l. M2 2.29 2.44        
MUSM 2748 CTA 27 Cachiyacuy contamanensis l. M2 2.15 2.53 1.05 0.71 0.49 0.33
MUSM 2749 CTA 27 Cachiyacuy contamanensis l. M2 2.05 2.43 0.93 0.69 0.45 0.33
MUSM 2750 CTA 27 Cachiyacuy contamanensis l. M2 2.18 2.39 1.45   0.67  
MUSM 1871 CTA 27 Cachiyacuy contamanensis r. M2 2.22 2.69        
MUSM 2751 CTA 27 Cachiyacuy contamanensis r. M2 2.17 2.70        
MUSM 2752 CTA 27 Cachiyacuy contamanensis r. M2 2.18 2.61 1.31 0.86 0.60 0.40
MUSM 2753 CTA 27 Cachiyacuy contamanensis r. M2 2.21 2.62 0.89   0.40  
MUSM 2754 CTA 27 Cachiyacuy contamanensis r. M2 2.21   1.29   0.58  
MUSM 2755 CTA 27 Cachiyacuy contamanensis r. M2 2.14          
MUSM 2756 CTA 27 Cachiyacuy contamanensis r. M2 2.06          
MUSM 2757 CTA 27 Cachiyacuy contamanensis r. M2 1.91     0.48   0.25
MUSM 2758 CTA 27 Cachiyacuy contamanensis l. M3 2.10 2.38 1.41 1.00 0.67 0.48
MUSM 2759 CTA 27 Cachiyacuy contamanensis l. M3 2.09 2.32        
MUSM 2760 CTA 27 Cachiyacuy contamanensis l. M3 2.04 2.32 1.21   0.59  
MUSM 2761 CTA 27 Cachiyacuy contamanensis l. M3 2.08 2.35 1.19 0.63 0.57 0.30
MUSM 1870 CTA 27 Cachiyacuy contamanensis r. M3 2.34 2.44        
MUSM 1888 CTA 27 Cachiyacuy kummeli l. dp4 1.53 1.20        
MUSM 2762 CTA 27 Cachiyacuy kummeli l. dp4 1.72 1.17        
MUSM 2763 CTA 27 Cachiyacuy kummeli l. dp4 1.59 1.15 0.44 0.67 0.28 0.42
MUSM 2764 CTA 27 Cachiyacuy kummeli r. dp4 1.47 1.15 0.50 0.55 0.34 0.37
MUSM 2765 CTA 27 Cachiyacuy kummeli r. dp4 1.45 1.05 0.60 0.59 0.41 0.40
MUSM 2766 CTA 27 Cachiyacuy kummeli l. p4 1.24 1.22   0.70   0.57
MUSM 2767 CTA 27 Cachiyacuy kummeli l. m1 1.51 1.51   0.59   0.39
MUSM 2768 CTA 27 Cachiyacuy kummeli l. m1 1.50 1.51   0.81   0.54
MUSM 1887 CTA 27 Cachiyacuy kummeli r. m1 1.59 1.54        
MUSM 2769 CTA 27 Cachiyacuy kummeli r. m1 1.48 1.51   0.76   0.51
MUSM 2770 CTA 27 Cachiyacuy kummeli r. m1 1.55 1.55   0.90   0.58
MUSM 2771 CTA 27 Cachiyacuy kummeli r. m1 1.45 1.41   0.61   0.42
MUSM 2772 CTA 27 Cachiyacuy kummeli l. m2 1.54   0.76   0.49  
MUSM 1886 CTA 27 Cachiyacuy kummeli r. m2 1.83 1.67        
MUSM 2773 CTA 27 Cachiyacuy kummeli r. m2 1.60 1.56 0.64 0.62 0.40 0.39
MUSM 2774 CTA 27 Cachiyacuy kummeli r. m2 1.68 1.70 0.70 0.61 0.42 0.36
MUSM 2775 CTA 27 Cachiyacuy kummeli r. m2            
MUSM 2776 CTA 27 Cachiyacuy kummeli r. m2?            
MUSM 2777 CTA 27 Cachiyacuy kummeli l. m3 1.59 1.32        
MUSM 2778 CTA 27 Cachiyacuy kummeli l. m3 1.77 1.58        
MUSM 2779 CTA 27 Cachiyacuy kummeli l. m3 1.29 1.25 0.56 0.56 0.44 0.44
MUSM 1885 CTA 27 Cachiyacuy kummeli r. m3 1.60 1.47        
MUSM 2780 CTA 27 Cachiyacuy kummeli r. m3 1.81 1.80        
MUSM 2781 CTA 27 Cachiyacuy kummeli r. m3 1.70 1.51        
MUSM 2783 CTA 27 Cachiyacuy kummeli l. P4            
MUSM 1881 CTA 27 Cachiyacuy kummeli r. P4 1.16          
MUSM 2784 CTA 27 Cachiyacuy kummeli r. M1 or M2 1.47          
MUSM 1882 CTA 27 Cachiyacuy kummeli l. M1 1.45 1.63        
MUSM 2785 CTA 27 Cachiyacuy kummeli l. M1 1.55 1.61        
MUSM 1883 CTA 27 Cachiyacuy kummeli l. M2 1.69 1.87        
MUSM 2786 CTA 27 Cachiyacuy kummeli l. M2 1.52 1.80 0.88   0.58  
MUSM 1884 CTA 27 Cachiyacuy kummeli l. M3 1.67 1.71        
MUSM 1895 CTA 27 Canaanimys maquiensis r. dp4   1.07        
MUSM 1894 CTA 27 Canaanimys maquiensis l. m1 1.54 1.57        
MUSM 2787 CTA 27 Canaanimys maquiensis l. m1 1.42 1.47        
MUSM 2788 CTA 27 Canaanimys maquiensis l. m1            
MUSM 2789 CTA 27 Canaanimys maquiensis r. m1 1.52 1.53   0.83   0.55
MUSM 2790 CTA 27 Canaanimys maquiensis r. m1 1.70 1.45   0.83   0.49
MUSM 1893 CTA 27 Canaanimys maquiensis l. m2 1.80 1.79        
MUSM 1892 CTA 27 Canaanimys maquiensis r. m3 1.71 1.36        
MUSM 2791 CTA 27 Canaanimys maquiensis r. m3 1.73 1.44 0.80 0.74 0.46 0.43
MUSM 1891 CTA 27 Canaanimys maquiensis l. M1 1.46 1.82        
MUSM 1890 CTA 27 Canaanimys maquiensis r. M2 1.63 1.95        
MUSM 2792 CTA 27 Canaanimys maquiensis l. M3 1.49 1.78        
MUSM 1889 CTA 27 Canaanimys maquiensis r. M3 1.50 1.87        
MUSM 2793 CTA 27 Canaanimys maquiensis r. M3 1.47 1.72        
MUSM 2794 CTA 27 Canaanimys maquiensis r. M3 1.40 1.84        
MUSM 2795 CTA 27 Eobranisamys javierpradoi sp. nov. l. m1 or m2            
MUSM 1898 CTA 27 Eobranisamys javierpradoi sp. nov. r. m2   2.23        
MUSM 1899 CTA 27 Eobranisamys javierpradoi sp. nov. l. m3 2.47 2.06        
MUSM 2796 CTA 27 Eobranisamys javierpradoi sp. nov. r. m3            
MUSM 2797 CTA 27 Eobranisamys javierpradoi sp. nov. r. dP4 2.11 1.91        
MUSM 1896 CTA 27 Eobranisamys javierpradoi sp. nov. l. P4 1.86 2.33        
MUSM 2798 CTA 27 Eobranisamys javierpradoi sp. nov. l. P4 1.65 2.15 0.75   0.45  
MUSM 2799 CTA 27 Eobranisamys javierpradoi sp. nov. r. M1 or M2   2.68 1.03      
MUSM 1897 CTA 27 Eobranisamys javierpradoi sp. nov. l. M1 2.39 2.49        
MUSM 2800 CTA 27 Eobranisamys javierpradoi sp. nov. l. M1 2.23 2.38        
MUSM 2801 CTA 27 Eobranisamys javierpradoi sp. nov. l. M3   2.27        
MUSM 1912 CTA 27 cf. Eoespina sp. l. M2 1.51 1.77        
MUSM 2802 CTA 27 cf. Eoespina sp. l. M2            
MUSM 1913 CTA 27 cf. Eoespina sp. r. M2 1.48 1.85        
MUSM 2841 CTA 66 Eobranisamys sp. l. upper molar?            
MUSM 2842 CTA 66 Eobranisamys sp. l. upper molar            
MUSM 2819 CTA 29 Pozomys ucayaliensis gen. et sp. nov. r. M3            
MUSM 2820 CTA 29 Pozomys ucayaliensis gen. et sp. nov. r. p4            
MUSM 2821 CTA 29 Pozomys ucayaliensis gen. et sp. nov. l. p4 1.34 1.33 0.56 0.73 0.42 0.55
MUSM 2822 CTA 29 Pozomys ucayaliensis gen. et sp. nov. r. m1 1.58 1.56 0.64 0.75 0.40 0.48
MUSM 2822 CTA 29 Pozomys ucayaliensis gen. et sp. nov. r. m2 1.93 1.63 0.59 0.76 0.31 0.39
MUSM 2833 CTA 29 Pozomys ucayaliensis gen. et sp. nov. r. M2 1.45 1.81 0.89 0.42 0.62 0.29
MUSM 2823 CTA 29 Cachiyacuy cf. contamanensis 2 r. dp4 or p4   1.43 0.66 0.62    
MUSM 2824 CTA 29 Cachiyacuy cf. contamanensis 2 r. dp4            
MUSM 2825 CTA 29 Cachiyacuy cf. contamanensis 2 l. dp4 2.22 1.49 0.73 0.64 0.33 0.29
MUSM 2826 CTA 29 Cachiyacuy cf. contamanensis 2 r. m1 2.19 1.99 1.03   0.47  
MUSM 2827 CTA 29 Cachiyacuy cf. contamanensis 2 r. m1 1.03 2.03 0.54   0.52  
MUSM 2828 CTA 29 Cachiyacuy cf. contamanensis 2 r. dP4 1.63 1.69        
MUSM 2829 CTA 29 Cachiyacuy cf. contamanensis 2 r. upper molar 1.90 1.03        
MUSM 2830 CTA 29 Cachiyacuy cf. contamanensis 2 r. upper molar 1.22 1.65   0.65   0.53
MUSM 2831 CTA 29 Cachiyacuy cf. contamanensis 2 l. M1 2.02 2.20        
MUSM 2832 CTA 29 Cachiyacuy cf. contamanensis 2 l. M2 2.33 2.77        
MUSM 2563 CTA 29 Cachiyacuy cf. contamanensis 2 r. M2 2.00 2.52 1.19 0.78 0.59 0.39
MUSM 2834 CTA 29 Cavioidea or Chinchilloidea indet. r. dp4 2.66 1.85        
MUSM 2835 CTA 29 Cavioidea or Chinchilloidea indet. r. m2 2.68 2.81 1.09 0.69 0.41 0.26
MUSM 2836 CTA 29 Cavioidea or Chinchilloidea indet. l. upper molar 2.55     1.20   0.47
MUSM 2837 CTA 29 Cavioidea or Chinchilloidea indet. l. upper molar            
MUSM 2838 CTA 29 Caviomorpha indet. 5 r. dp4 1.87 1.14   0.44   0.23
MUSM 2839 CTA 29 Caviomorpha indet. 6 r. upper molar 1.30 1.41 0.45 0.30 0.35 0.23

Hb, maximum labial crown height; Hg, maximum lingual crown; HIb, hypsodont index (calculated from Hb); HIg, hypsodont index (calculated from Hg); l., left; ML, maximum anteroposterior length; MW, maximum linguolabial width; r., right.