Ctenomys emilianus, Thomas & St. Leger, 1926

Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Ctenomyidae, Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona: Lynx Edicions, pp. 498-534 : 534

68.

Emilio’s Tuco-tuco

Ctenomys emilianus

French: Tuco-tuco d'Emilio / German: Emilio-Budin-Kammratte / Spanish: Tuco tuco de Budin

Other common names: Emily's Tuco-tuco

Taxonomy. Ctenomys emilianus Thomas & St. Leger, 1926 ,

“Chos Malal, Prov. Neuquén. Altitude 805 m,” 37°23’ S, 70°16’ W, Argentina.

Ctenomys emilianus is not classified in any species group. Karyotype and sperm form are unknown. Monotypic.

Distribution. CW Argentina (N Neuquén Province), known only from the type locality and neighboring areas in the Chos Malal Department.

Descriptive notes. Head-body 211 mm, tail 91 mm, hindfoot 39 mm (all measurements from the holotype). No specific data are available for body weight. Emilio’s Tuco-tuco is large-sized. Color is generally pale glossy fawn above, uniform on head and dorsal region; sides and venter, including chin and throat, are buffy white. This color extends to hips and thighs more than in most other species of tuco-tucos, differing noticeably from brown rump. Tail is also buffy whitish, lacking any darkening of terminal tuft. Skull is slight and flat, with low braincase and well-defined masseteric and lambdoidal ridges, and bullae are large and well inflated.

Habitat. Sandy soils and dunes at elevations up to ¢.800 m.

Food and Feeding. There is no information available for this species.

Breeding. There is no information available for this species.

Activity patterns. There is no information available for this species.

Movements, Home range and Social organization. There is no information available for this species.

Status and Conservation. Classified as Near Threatened on The IUCN Red List.

Bibliography. Bidau (2015).

Figures

44. Peruvian Tuco-tuco (Cienomys peruanus), 45. White-toothed Tuco-tuco (Ctenomys leucodon), 46. Maria Farell’s Tuco-tuco Ctenomys (“ mariafarelli’), 47. Black-backed Tuco-tuco (Ctenomys dorsalis), 48. Paraguayan Tuco-tuco (Ctenomys paraguayensis), 49. Pilar Tuco-tuco (Ctenomys pilarensis), 50. Maule Tuco-tuco (Ctenomys maulinus), 51. Bonetto’s Tuco-tuco (Ctenomys bonettoi), 52. Puntlla Tuco-tuco (Ctenomys coludo), 53. Famatina Tuco-tuco (Ctenomys famosus), 54. Foch’s Tuco-tuco (Clenomys fochi), 55. Jujuy Tuco-tuco (Clenomys juris), 56. Catamarca Tuco-tuco (Clenomys knight), 57. Robust Tuco-tuco (Ctenomys tuconax), 58. Monte Tuco-tuco (Cienomys viperinus), 59. Santa Fe Tuco-tuco Ctenomys (“ yolandae’), 60. Azara’s Tuco-tuco (Ctenomys azarae), 61. Cordoba Tuco-tuco (Ctenomys bergi), 62. San Juan Tuco-tuco (Ctenomys johannis), 63. Osvaldo Reig’s Tuco-tuco (Ctenomys osvaldoreigi), 64. Brown Tuco-tuco (Citenomys pontifex), 65. Rosendo Pascual’s Tuco-tuco (Ctenomys rosendopascuali), 66. Sierra Tontal Tuco-tuco (Clenomys tulduco), 67. Guaymallen Tuco-tuco (Clenomys validus), 68. Emilio’s Tuco-tuco (Ctenomys emilianus), 69. Colonial Tuco-tuco (Ctenomys sociabilis)

Distribution. CW Argentina (N Neuquén Province), known only from the type locality and neighboring areas in the Chos Malal Department.