;"Kutukú specimen";Mindomys1;Pattonimus2;Euryoryzomys3;Nephelomys3;Tanyuromys4 "Mystacial vibrissae";"very long";"very long";"very long";"short (not extending posteriorly beyond pinnae)";"short (not extending posteriorly beyond pinnae)";"very long" "Superciliary vibrissae";"very long";"very long";"very long";"short (not extending posteriorly beyond pinnae)";"short (not extending posteriorly beyond pinnae)";"very long" Tail;unicolored;unicolored;unicolored;"distinctly bicolored";"distinctly or indistinctly bicolored";unicolored Ear;"small (not extending anteriorly to eye)";"small (not extending anteriorly to eye)";"large (extending anteriorly to eye)";"large (extending anteriorly to eye)";"small (not extending anteriorly to eye)";"small (not extending anteriorly to eye)" "Incisive foramina";short;short;short;"short or long";long;short Interorbit;"anteriorly convergent";"anteriorly convergent";"anteriorly convergent";"anteriorly convergent";variable;"anteriorly convergent" Jugal;large;large;large;small;small;large "Mastoid capsule";"not fenestrated";"not fenestrated";"fenestrated or not fenestrated";"not fenestrated";"fenestrated or not fenestrated";"not fenestrated" "Mesopterygoid fossa";"extends between maxillae";"extends between maxillae";"extends between maxillae";"extends between maxillae or not";"extends between maxillae and often toothrows";"extends between maxillae" "Alisphenoid strut";absent;absent;present;"usually absent";"usually absent";absent "Carotid circulatory";"pattern 1";"pattern 1";"pattern 1";"pattern 1";"pattern 1";"pattern 3" "Capsular process";"indistinct or absent";"indistinct or absent";"indistinct or absent";"typically present";"indistinct or absent";"indistinct or absent" "M1 anterocone";"barely divided";undivided;undivided;undivided;divided;undivided "M2 internal fossette(s)";two;two;"usually absent";two;one;one "M1 accessory root";present;absent;present;"typically present";absent;present "m1 accessory root";absent;absent;absent;"typically absent";present;present "m2 hypoflexus";long;long;long;short;short;long