rhinarium


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rhinarium

- The hairless, habitually moist nose of some mammals, such as the antelope.
See also related terms for mammal.
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It is the only Lontra species with a rhinarium variable in shape (Davis, 1978); the body mass of adults ranges from 5 to 15 kg (Harris, 1968), but it is generally less than 12 kg (Bertonatti and Parera, 1994; Lariviere and Jennings, 2009).
From a hump / of high withers / a ridge descends / to a moist rhinarium.
simile, from which it is differentiated in that the primary rhinarium of the antennal segment V is protuding in U.
The upper border of rhinarium makes a convex outline.
Antenna 10-segmented, with a single subapical rhinarium on each of segments 4, 6, 8 and 9.
7) 10-segmented, segment 3 slightly thicker in apical half than in basal half, segments 5 and 7 more slender than segments 4, 6 and 8; single subapical rhinarium present on each of segments 4, 6, 8 and 9; terminal setae on segment 10 about 1.
thomasi group and characterized by the following combination of morphological characters: medium sized (head and body length: 72-84 mm, body mass: 9-11 g); dorsal pelage dark gray with dark brown luster; ventral part gray, paler than dorsum; philtrum with a long and narrow wart, extending from the base of the rhinarium to the edge of the upper lip; ventral part of the fingers whit granular, well developed and juxtaposed scales, arranged in three longitudinal lines; tail scales large (26 per cm); lacrimal foramen wide and deep; angular process straight, short and wide; coronoid process tilted forward.
V imbricate with 5-10 setae, primary rhinarium ciliate, longest diameter shorter (0.