Trinomys dimidiatus (Günther 1876)

[Trinomys] dimidiatus (Günther 1876), Proc. Zool. Soc. Lond., 1876: 747.

Type Locality: Brazil, Rio de Janeiro, unknown probably SW Rio de Janeiro.

Vernacular Names: Soft-spined Atlantic Spiny-rat.

Distribution: E Brazil including the states of Rio de Janeiro and Distrito Federal.

Conservation: IUCN – Lower Risk (lc) as Proechimys dimidiatus .

Discussion: Reviewed by Pessôa and Reis (1993). Lara and Patton (2000) concluded that dimidiatus was the sister taxon of iheringi . Karyotype has 2n=56 (Pessôa and Reis, 1993).