Trinomys iheringi (Thomas 1911)

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Echimyidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 1575-1592 : 1590

Trinomys iheringi (Thomas 1911)

[Proechimys] iheringi Thomas 1911 , Ann. Mag. Nat. Hist., ser. 8, 8: 252.

Type Locality: Brazil, São Paulo, São Sabastião Isl.

Vernacular Names: Ihering's Atlantic Spiny-rat.

Distribution: Mainland and offshore islands of the states of São Paulo and Rio de Janeiro (E Brazil).

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

Discussion: Reviewed by Pessôa and Reis (1996), who recognized the six subspecies listed by Moojen (1948: bonafidei, denigratus, gratiosus , iheringi , panema, paratus ) plus the newly described eliasi . Pessôa and Reis (1994) concluded that bonafidei, denigratus, eliasi , gratiosus , panema may be part of a taxon specifically distinct from iheringi . Lara and Patton (2000) concluded that bonafidei and gratiosus were not allied with iheringi and elevated gratiosus to a species and retained bonafidei as a subspecies of gratiosus . Lara and Patton (2000) also elevated eliasi and paratus to species and concluded that denigratus was a subspecies of setosus . The sister taxon of iheringi is dimidiatus ( Lara and Patton, 2000). Karyotype has 2n=60-65 depending on the number of B chromosomes ( Yonenaga-Yassuda et al., 1985).