Isanophis boonsongi (TAYLOR & ELBEL, 1958)
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Isanophis boonsongi
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| Higher Taxa | Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Boomsong’s Stream Snake G: Boonsongs Bachnatter |
| Synonym | Parahelicops boonsongi TAYLOR & ELBEL 1958: 1156 Opisthotropis boonsongi — BROWN & LEVITON 1961 Parahelicops boonsongi — COX 1991 Opisthotropis boonsongi — COX 1995 Opisthotropis boonsongi — VAN DIJK et al. 1998: 48 Opisthotrophis [sic] boonsongi — CHAN-ARD et al. 1999: 35 Parahelicops boonsongi — DAVID et al. 2004 Opisthotrophis boonsongi — DAVID et al. 2011 Parahelicops boonsongi — WALLACH et al. 2014: 520 Parahelicops boonsongi — CHAN-ARD et al. 2015: 226 Isanophis boonsongi — DAVID et al. 2015 |
| Distribution | NE Thailand Type locality: Phu Lang (mountain), Ban Khok (subvillage), Na Phung (village), Dan Sai (district), Loei (province), Thailand [after BROWN & LEVITON 1961] |
| Reproduction | |
| Types | Holotype: FMNH 135328; formerly personal collection of E. H. Taylor (fide BROWN & LEVITON 1961) |
| Diagnosis | Diagnosis (genus): A genus of snake of the family Natricidae characterized by (1) posterior maxillary teeth strongly enlarged, (2) nostrils dorsolateral and directed obliquely upwards; (3) eye diameter slightly greater than the eye- nostril distance and distinctly greater than the distance between its lower margin and the margin of the lip, (4) pupil round, (5) dorsal scales strongly keeled with a thick median keel throughout the body, (6) body stout, (7) head strongly distinct from neck, and (8) prefrontal scale single [DAVID et al. 2015]. |
| Comment | Habitat: aquatic Behavior: nocturnal Type species: Parahelicops boonsongi TAYLOR & ELBEL 1958: 1156 is the type species of the genus Isanophis DAVID et al. 2015. Abundance: This species has been known from only the holotype until Cox (1995) recorded two additional specimens about 40 km east of the type locality. One of the specimens was depicted in Cox et al. (1998, 2012). |
| Etymology | Named after Dr. Boonsong Lekagul who has so generously provided the University of Kansas with Thailand amphibians and reptiles. The generic nomen Isanophis is derived from the word “Isan”, the Thai name of the north-eastern region of Thailand, and from the Greek word ophis, meaning “snake”. It describes the limited known range of this genus. This generic nomen is masculine in gender. |
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