Fimbrios is a genus of snakes of the family Xenodermidae.
Geographic range The genus Fimbrios is endemic to Southeast Asia.
Species The following two species are recognized as being valid. Fimbrios klossi – Cambodia, Laos, Vietnam Fimbrios smithi – Vietnam
Etymology The specific names, klossi and smithi, are in honor of English zoologist Cecil Boden Kloss and British herpetologist Malcolm Arthur Smith, respectively.Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (Fimbrios klossi, p. 143; Fimbrios smithi, p. 247).
Morphology The genus Fimbrios has distinct morphological characteristics such as: 30 to 35 equal-sized maxillary teeth; head not distinct from neck, covered with large shields; eye small, with vertically subelliptic pupil; nostril in the anterior part of a large concave nasal; loreal very large, extending from the nasal to the eye; rostral being separated from the inter-nasals by a horizontal ridge of tissue; rostral, mental and labials with raised, erected edges; a single pair of enlarged chin shields; body slender, cylindrical, dorsal scales elliptical, keeled, in 24 to 33 rows at midbody, those of the outer row enlarged; ventrals large, rounded; subcaudals unpaired; tail moderate.
References Ziegler, David P, Miralles A, Doan VK, Nguyen TQ (2008). "A new species of the snake genus Fimbrios from Phong Nha-Ke Bang National Park, Truong Son, central Vietnam (Squamata: Xenodermatidae). Zootaxa 1729 (1): 37–48. https://doi.org/10.11646/zootaxa.1729.1.4. (Fimbrios smithi, new species).
Further reading Smith MA (1921). "New or Little-known Reptiles and Batrachians from Southern Annam (Indo-China)". Proceedings of the Zoological Society of London 1921: 423–440 + Plates I–II. (Fimbrios, new genus, p. 425; F. klossi, new species, p. 425 + Plate I, figure 1).