Published May 15, 2023
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TABLE 1 in Tropidonotus nicobarensis Sclater, 1891 is a junior synonym of Thamnophis saurita (Linnaeus, 1766) (Squamata: Serpentes: Natricinae)
Authors/Creators
- 1. Department of Biology and Center for Biodiversity and Ecosystem Stewardship, Villanova University, Villanova, PA, 19085 USA. & justinllee @ verizon. net; https: // orcid. org / 0000 - 0002 - 9782 - 8503 & Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, 20013 USA Department of Ecology and Environmental Sciences, School of Life Sciences, Pondicherry University, Puducherry, 605014, India. findthesnakeman @ gmail. com; https: // orcid. org / 0000 - 0003 - 0626 - 0527
- 2. Department of Biology and Center for Biodiversity and Ecosystem Stewardship, Villanova University, Villanova, PA, 19085 USA. & aaron. bauer @ villanova. edu; https: // orcid. org / 0000 - 0001 - 6839 - 8025
Description
TABLE 1. Morphological comparison between the type specimens of Tropidonotus nicobarensis, Prymnomiodon chalceus and literature data based on Thamnophis saurita. Data for Th. saurita originate from Rossman (1963) and Rossman et al. (1996). Data noted with an asterisk indicate the tails in specimens were broken or damaged. Data in parentheses indicate rare occurrences, whereas data in brackets indicate data from literature sources.
| Character | Tropidonotus nicobarensis | Prymnomiodon chalceus | Thamnophis saurita |
|---|---|---|---|
| Muzzle Length/Frontal Length | 0.510 | 0.610 | usually less than 0.700 |
| Loreal | 1/1 | 1/1 | 1/1 |
| Preoculars | 1/1 | 1/1 | 1/1 |
| Postoculars | 3/3 | 3/3 | 3 (2, 4, 5) |
| Supralabials | 8/7 | 8/7 | 7–8 (6, 9) |
| Supralabials contacting eye | 4+5/3+4 | 4+5/3+4 | 3+4–4+5 |
| Anterior Temporals | 1/1 | 1/1 | 1 (2) |
| Posterior Temporals | 2/2 | 2/2 | 2 (1, 3, 4) |
| Infralabials | 10/10 | 9/10 | 9–10 (7, 8, 11, 12) |
| Infralabials contating upper chin shields | 5/5 | 4/5 | 4–5 |
| Anterior dorsal scales | 19 | 19 | 19 (17, 18) |
| Midbody dorsal scales | 19 | 19 | 19 (17, 18) |
| Posterior dorsal scales | 17 | 17 | 17 (16) |
| Ventrals | 160 | 152 | 143–177 |
| Subcaudals | 88 [120] * | 24 * | 94–136 |
| Cloacal plate | Undivided | Undivided | Undivided |
| Maxillary teeth | [25 or 24] | 31 | 27–34 |
| Vertebral stripe | Present, dark edges | Present, dark edges | Present, dark edges |
| Position of lateral stripe | 3rd and 4th dorsal scale rows | 3rd and 4th dorsal scale rows | 3rd, 4th dorsal scale rows |
| Width of lateral stripes on each dorsal scale | 0.5 | 0.5 | 0.5 |
| Temporal streak | Present | Present | Present |
Notes
Published as part of Lee, Justin L., Chandramouli, S. R. & Bauer, Aaron M., 2023, Tropidonotus nicobarensis Sclater, 1891 is a junior synonym of Thamnophis saurita (Linnaeus, 1766) (Squamata: Serpentes: Natricinae), pp. 135 in Zootaxa 5285 (1) on page 135, DOI: 10.11646/zootaxa.5285.1.5, http://zenodo.org/record/7935864
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- Is part of
- Journal article: 10.11646/zootaxa.5285.1.5 (DOI)
- Journal article: urn:lsid:plazi.org:pub:E46EFF9AFFA1A453FFA73D4DB94CFFB5 (LSID)
- Journal article: http://publication.plazi.org/id/E46EFF9AFFA1A453FFA73D4DB94CFFB5 (URL)
- Journal article: http://zenodo.org/record/7935864 (URL)
- Journal article: http://zoobank.org/50042611-FB61-444D-A80D-BDF50271768B (URL)
References
- Rossman, D. A. (1963) The colubrid snake genus Thamnophis: a revision of the sauritus group. Bulletin of the Florida State Museum, Biological Sciences, 7, 100 - 178.
- Rossman, D. A., Ford, N. B. & Seigel, R. A. (1996) The Garter Snakes: Evolution and Ecology. University of Oklahoma Press, Norman, xx + 15 color pls., 332 pp.