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Tantilla coronadoi HARTWEG, 1944

IUCN Red List - Tantilla coronadoi - Least Concern, LC

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Guerreran Centipede Snake
S: Culebra Centipedívora de Guerrero 
SynonymTantilla coronadoi HARTWEG 1944
Tantilla coronadoi — LINER 1994
Tantilla coronadoi — LINER 2007
Tantilla coronadoi — WILSON & MATA-SILVA 2014: 28
Tantilla coronadoi — WALLACH et al. 2014: 700
Tantilla coronadoi — PALACIOS-AGUILAR et al. 2021 
DistributionMexico (Guerrero)

Elevation: 1,402–1,524 m (WILSON & MATA-SILVA 2014)

Type locality: vicinity of Chilpancingo, Guerrero, Mexico.  
TypesHolotype: UMMZ 85697 
DiagnosisIdentification: A diminutive snake with a dark middorsal stripe and a poorly defined dark lateral stripe; pale-outlined dark spatulate head figure; no loreal; 2 postoculars; 7'h supralabial in contact with parietal, separating anterior temporal from posterior one; dorsal scales in 15 rows; ventrals more than 150 (Heimes 2016: 175).

Coloration: The dorsum is tan to brown. A dark middorsal stripe extends from the parietal onto the tail; it occupies the middle of the vertebral row, expanding for a short distance on the neck to include the entire vertebral row and adjacent halves of the paravertebral rows. A dark lateral stripe originating on the postnasals passes along the sides of the head and becomes diffuse as it extends along the body occupying all of row 3and at least, if not all, ofrow 4. The head pattern consists ofa spatulate extension of the middorsal dark stripe that occupies most of the upper surface of the head. The figure is flanked by a pale border that originates on the apex ofthe rostral scale to continue on each side of the head across the internasal, prefrontal and supraocular scales and along the outer portion of the parietal to terminate in an expanded pale postparietal marking. The lower parts of the supralabials are cream-colored, the venter is immaculate cream to light tan (Heimes 2016: 175).

Scalation: There are 7 supralabials, 6 infralabials, 1 preocular, 2 postoculars, 1+1 temporals, 158-165 ventrals and 40 subcaudals (in a single female) (Heimes 2016: 175). 
CommentOnly known from 3 specimens (Palacios Aguilar et al. 2021).

Distribution: for a map with localities of the calamarina group see Palacios-Aguilar et al. 2022: 125 (Fig. 3). 
Etymology“The name coronadoi is a patronym honoring Salvador Coronado, then head of the Mexican Departamento de Pesca y Marítima” (Wilson, 1990). 
  • Hartweg, Norman 1944. Remarks on some Mexican snakes of the Genus Tantilla. Occasional Papers of the Museum of Zoology, University of Michigan (486): 1-9 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Liner, Ernest A. 2007. A CHECKLIST OF THE AMPHIBIANS AND REPTILES OF MEXICO. Louisiana State University Occasional Papers of the Museum of Natural Science 80: 1-60 - get paper here
  • Palacios Aguilar R, Santa Cruz Padilla SA, Jiménez Arcos VH 2021. A new locality for the rare Guerreran Centipede Snake, Tantilla coronadoi Hartweg, 1944 (Squamata, Colubridae), with comments on morphological variation. Check List 17(6): 1745-1749 - get paper here
  • Palacios-Aguilar, R., Fucsko, L. A., Jiménez-Arcos, V. H., Wilson, L. D., & Mata-Silva, V. 2022. Out of the Past: A new species of Tantilla of the calamarina group (Squamata: Colubridae) from southeastern coastal Guerrero, Mexico, with comments on relationships within members of the group. Amphibian & Reptile Conservation, 16(2): 120-132 - get paper here
  • Palacios-Aguilar, Ricardo & OSCAR FLORES-VILLELA 2018. An updated checklist of the herpetofauna from Guerrero, Mexico. Zootaxa 4422 (1): 1-24 - 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.
  • Wilson L D 1990. Tantilla coronadoi Hartweg. Catalogue of American Amphibians and Reptiles 501: 1 - get paper here
  • Wilson L D; Meyer J R 1981. Systematics of the Calamarina group of the colubrid snake genus Tantilla. Milwaukee Public Museum Contributions in Biology and Geology (No. 42): 1-25 - get paper here
  • Wilson, L.D. 1999. Checklist and key to the species of the genus Tantilla (Serpentes: Colubridae), with some commentary on distribution. Smithsonian Herp. Inf. Serv. (122): 1-34 - get paper here
  • Wilson, Larry David and Vicente Mata-Silva 2015. A checklist and key to the snakes of the Tantilla clade (Squamata: Colubridae), with comments on distribution and conservation. Mesoamerican Herpetology 2 (4): 418 - get paper here
  • Wilson, Larry David and Vicente Mata-Silva. 2014. Snakes of the genus Tantilla (Squamata: Colubridae) in Mexico: taxonomy, distribution, and Conservation. Mesoamerican Herpetology 1 (1): 5-95 - get paper here
  • Wilson,L.D. & Campbell,J.A. 2000. A new species of the Calamarina group of the colubrid snake genus Tantilla (Reptilia: Squamata) from Guerrero, Mexico, with a review of and key to members of the group. Proc. Biol. Soc. Washington 113 (3): 820-827 - get paper here
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