Paratapinophis praemaxillaris ANGEL, 1929
Can you confirm these amateur observations of Paratapinophis praemaxillaris?
|Higher Taxa||Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Angel’s Mountain Keelback, Brown Stream Snake|
G: Braune Bachnatter
|Synonym||Paratapinophis praemaxillaris ANGEL 1929: 78|
Opisthotropis praemaxillaris — POPE 1935
Opisthotropis premaxillaris [sic] — SMITH 1943: 332
Opisthotropis premaxillaris [sic] — BROWN & LEVITON 1961
Opisthotrophis praemaxillaris [sic] — CHAN-ARD et al. 1999: 35
Paratapinophis premaxillaris — MURPHY et al. 2008
Opisthotrophis praemaxillaris — LI et al. 2010
Opisthotropis premaxillaris — PYRON & BURBRINK 2013
Paratapinophis praemaxillaris — WALLACH et al. 2014: 534
Opisthotrophis praemaxillaris — CHAN-ARD et al. 2015: 225
|Distribution||N Laos, Thailand, China (Yunnan)|
Type locality: Chieng-Kuang, upper Laos [19º 52' N, 103º 20' E]. Map legend:
- Type locality.
- Region according to the TDWG standard, not a precise distribution map.
NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
|Types||Syntypes: MNHN 1928.63-64|
|Comment||Habitat: aquatic, inhabiting flowing streams.|
Diet: fishes, frogs, tadpoles, freshwater shrimp and earthworms.
Type species: Paratapinophis premaxillaris ANGEL 1929 is the type species of the genus Paratapinophis ANGEL 1929.
Diagnosis (genus): in Paratapinophis the head is distinct from the neck; the scale ornamentation (keels) is unique in that each scale has a middle row of tubercles (as opposed to a continuous keel or a serrated keel); the scale ornamentation is sexually dimorphic (they occur only on the posterior body of the males); the color and pattern is sexually dimorphic; the body is large and robust; the maxillary tooth count is low (18–20); and there are two pair of posterior chin shields. [...] these character states are not found in Opisthotropis and Parahelicops (from MURPHY et al. 2008).
|Etymology||The name of the genus Paratapinophis apparently is derived from a suggestion by H. W. Parker at the BMNH. It is derived from the Greek “para” meaning along side or near, and the generic name Tapinophis Boulenger, 1899. Tapinophis is another genus that was synonomized with Opisthotropis by Pope (1935). Thus, Parker recognized some of the shared morphology between Paratapinophis, Opisthotropis, and Tapinophis Boulenger, 1899.|
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