The Sucre spiny-rat (Proechimys urichi) is a species of rodent in the family Echimyidae.

Morphological characters and mitochondrial cytochrome b DNA sequences showed that P. urichi belongs to the so-called trinitatus group of Proechimys species, and shares closer phylogenetic affinities with the other members of this clade: P. trinitatus, P. mincae, P. guairae, P. poliopus, P. magdalenae, P. chrysaeolus, and P.

[3][4][5][6] Hoplomys gymnurus Proechimys canicollis (Colombian spiny rat) Proechimys decumanus (Pacific spiny rat) Proechimys echinothrix (Stiff-spine spiny rat) Proechimys simonsi (Simon's spiny rat) Proechimys kulinae (Kulina spiny rat) Proechimys gardneri (Gardner's spiny rat) Proechimys pattoni (Patton's spiny rat) Proechimys gorgonae Proechimys oconnelli (O'Connell's spiny rat) Proechimys semispinosus (Tome's spiny rat) Proechimys boimensis Proechimys guyannensis (Guyenne spiny rat) Proechimys oris Proechimys roberti (Roberto's spiny rat) Proechimys cuvieri (Cuvier's spiny rat) Proechimys brevicauda (Short-tailed spiny rat) Proechimys gularis Proechimys longicaudatus (Long-tailed spiny rat) Proechimys amphichoricus Proechimys goeldii (Goeldi's spiny rat) Proechimys hyleae Proechimys quadruplicatus (Napo spiny rat) Proechimys steerei (Steere's spiny rat) Proechimys chrysaeolus (Boyacá spiny rat) Proechimys guairae (Guaira spiny rat) Proechimys hoplomyoides (Guyanan spiny rat) Proechimys magdalenae (Magdalena spiny rat) Proechimys mincae (Minca spiny rat) Proechimys poliopus (Gray-footed spiny rat) Proechimys trinitatus (Trinidad spiny rat) Proechimys urichi (Sucre spiny rat)

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