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Calamaria joloensis TAYLOR, 1922

IUCN Red List - Calamaria joloensis - Data Deficient, DD

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Higher TaxaColubridae, Calamariinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Jolo Worm Snake 
SynonymCalamaria joloensis TAYLOR 1922: 203
Calamaria joloensis — TAYLOR 1944: 152
Calamaria joloensis — INGER & MARX 1965: 102
Calamaria joloensis — WALLACH et al. 2014: 138 
DistributionPhilippines (Jolo)

Type locality: Type loc. Central part of Jolo I., Sulu Arch., P. I.  
TypesHolotype: CAS 60901, Coll., E. H. Taylor, Oct. 30, 1920. 
DiagnosisDiagnosis. Maxillary teeth modified; third and fourth supralabial entering orbit; preocular present; mental touching anterior chin shields; eye about two-thirds eye-mouth distance; dorsal scales with a light network (Inger & Marx 1965: 102).

Description. Rostral broader than high, portion visible from above about half length of prefrontal suture; prefrontal shorter than frontal, touching first 2 supralabials; frontal hexagonal, 3 times width of supraocular, about 3/4 length of parietal; parietal 1.5 times length of prefrontal; paraparietal surrounded by 5 shields and scales; nasal larger than postocular; preocular present; neither ocular as 7 high as eye; eye /io of eye-mouth distance; 5 supralabials, third and fourth entering orbit, fifth the largest, first, third, and fourth subequal and smaller than second; mental triangular, touching anterior chin shields; 5 infralabials, first 3 touching anterior chin shields; both pairs of chin shields meeting in midline; 3 gulars in midline between posterior chin shields and first ventral.

Body thickness index 0.010; tail short, thick, tapering near end to a blunt tip; dorsal scales reduce to 4 rows on tail opposite sixth subcaudal anterior to terminal scute.

Hemipenis bifurcate. Eight modified maxillary teeth.

Ventrals 119 in male; subcaudals 13; total length 144 mm.; ratio of tail length to total length 0.069 (Inger & Marx 1965: 103). 
EtymologyNamed after the type locality. 
  • Grismer, L. L., H. Kaiser & N. S. Yaakob 2004. A new species of Reed Snake of the genus Calamaria H. Boie, 1827, from Pulau Tioman, Pahang, West Malaysia. Hamadryad 28 (1&2): 1-6 - get paper here
  • Inger, R. F. & H. MARX 1965. The systematics and evolution of the oriental colubrid snakes of the genus Calamaria. Fieldiana: Zoology 49: 1-304. - get paper here
  • Taylor, E.H. 1944. Present location of certain herpetological and other type specimens. Univ. Kansas Sci. Bull. 30 (1): 117-187. - get paper here
  • Taylor,E.H. 1922. Additions to the herpetological fauna of the Philippine Islands, I. Philippine Journal of Science 21: 161-206 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Weinell, J. L., Leviton, A. E., & Brown, R. M. 2021. A new species of reed snake, genus Calamaria (Colubridae: Calamariinae), from Mindoro Island, Philippines. Philippine Journal of Systematic Biology, DOI 10.26757/pjsb2020b14006 - get paper here
  • Weinell, Jeffrey L.; Errol Hooper, Alan E. Leviton, Rafe M. Brown 2019. Illustrated Key to the Snakes of the Philippines. Proc. Cal. Acad. Sci. (4) 66 (1): 1-49 - get paper here
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