Children (85 direct children, 109 direct and indirect children):
Marsh rice rat
(tree size 1)
Marsh oryzomys
Oryzomys antillarum
Jamaican rice rat
Oryzomys albigularis
(tree size 7)
Oryzomys couesi
(tree size 6)
Coues’s rice rat
Oryzomys alfaroi
Oryzomys gorgasi
Gorgas’s rice rat
Nelson's rice rat
Nelson’s oryzomys
Oryzomys peninsulae
Oryzomys dimidiatus
Thomas’s rice rat
?oryzomys pliocaenicus
Oryzomys pliocaenicus
Oryzomys albiventer
Oryzomys buccinatus
Oryzomys intermedius
(tree size 2)
Oryzomys curasoae
Curaçao oryzomys
Oryzomys seuanezi
Oryzomys tatei
Oryzomys kelloggi
Oryzomys ratticeps
Oryzomys flavescens
Oryzomys emmonsae
Oryzomys auriventer
Oryzomys balneator
Ecuadorean rice rat
Oryzomys bolivaris
Oryzomys chapmani
Oryzomys devius
Oryzomys galapagoensis
Oryzomys hammondi
Oryzomys keaysi
Oryzomys lamia
Oryzomys legatus
Oryzomys levipes
Oryzomys macconnelli
Oryzomys melanotis
Oryzomys nitidus
(tree size 2)
Oryzomys polius
Oryzomys rhabdops
Oryzomys rostratus
(tree size 1)
Oryzomys saturatior
Oryzomys subflavus
Oryzomys talamancae
Oryzomys xanthaeolus
Oryzomys yunganus
Oryzomys megacephalus
Oryzomys laticeps
Oryzomys russatus
Oryzomys angouya
Oryzomys maracajuensis
Oryzomys meridensis
Oryzomys scotti
Oryzomys marinhus
Oryzomys perenensis
Oryzomys caracolus
Oryzomys barbacoas
(tree size 1)
Oryzomys flavicans
(tree size 1)
Oryzomys magellanicus
(tree size 1)
Oryzomys navus
(tree size 1)
Oryzomys phaeopus
(tree size 1)
Oryzomys arenalis
Oryzomys childi
Oryzomys delticola
Oryzomys indefessus
Oryzomys instans
Oryzomys laniger
Oryzomys macconelli
Oryzomys niveipes
Oryzomys praetor
Oryzomys princeps
Oryzomys tectus
Oryzomys tener
Oryzomys vestitus
Oryzomys victus
Oryzomys wavrini
Oryzomys altissimus
Oryzomys bovilaris
Oryzomys moerex
Oryzomys natidus
Oryzomys palmirae
Oryzomys aphrastus
Oryzomys texensis
Oryzomys acritus
Oryzomys incanus
Oryzomys kalinowskii
Oryzomys oniscus
Oryzomys pirrensis
Oryzomys zunigae