Ichthyomys pinei, Hernández-Orts & Kuchta & Semenas & Crespo & González & Aznar, 2020

Hernández-Orts, Jesús S., Kuchta, Roman, Semenas, Liliana, Crespo, Enrique A., González, Raúl A. & Aznar, Francisco J., 2020, A new species of crab-eating rat of the genus Ichthyomys, from Ecuador (Rodentia, Cricetidae, Sigmodontinae), Mammalia (Warsaw, Poland) 84 (4), pp. 377-391 : 378

Ichthyomys pinei sp. n. ( Figures 2–5 ; Table 1)

Pine’s Crab-eating Rat or Rata Cangrejera de Pine

Figures

Figure 2: Dorsal and ventral views of stuffed study skins of Ecuadorean species of ICHtHyOmyS, including (A, B) adult female I. pinei, sp. nov. (MZUA 234, holotype); (C, D) adult male I. StOlzmanni (MECN 4914); (E, F) adult male I. tweedii (MECN 12229); (G, H) adult male I. HydrOBateS (MEPN 5834). Scale = 10 mm.

Figure 3: Left manus (A, B) and left pes (C, D) in ventral (on left) and dorsal (on right) views of two species of ICHtHyOmyS: (A, C) adult female ICHtHyOmyS pinei (MECN 5613, paratype); (B, D) adult male ICHtHyOmyS StOlzmanni (MECN 4914). Scale = 10 mm.

Figure 4: Skull of the holotype of ICHtHyOmyS pinei, sp. nov., from La Playa, Azuay, Ecuador (MZUA 234): cranium in dorsal (A), ventral (B) and left lateral (C) views, and (D) left dentary in labial view. Scale = 10 mm.

Figure 5: Mid-dorsal portions in external (A, C) and internal (B, D) views of stomachs of ICHtHyOmyS pinei, sp. nov. (A, B; MECN 5613, paratype, from La Playa, Azuay, Ecuador) and I. StOlzmanni (C, D; MEPN 12672). References: b = borderline fold between cornified (co) and glandular epithelia (ge), d = duodenum, e = esophagus, i = incisura angularis. Arrow points to an apparent minute “orifice”. Scale = 10 mm.