Published November 11, 2021
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Table 3 in Two new species of snail-eating snakes of the genus Tropidodipsas (Serpentes, Dipsadidae) from southern Mexico, with notes on related species
Authors/Creators
- 1. Biencom Real Estate, Carretera Chapala-Jocotepec # 57 - 1, C. P. 45920, Ajijic, Jalisco, Mexico. & Biodiversa A. C., Avenida de la Ribera # 203, C. P. 45900, Chapala, Jalisco, Mexico. & Herp. mx A. C. C. P. 28989, Villa de Alvarez, Colima, Mexico.
- 2. Centro de Ciencias de Desarrollo Regional, Universidad Autonoma de Guerrero. Calle Pino s / n. Col. El Roble. C. P. 39640. Acapulco, Guerrero, Mexico.
- 3. Biodiversa A. C., Avenida de la Ribera # 203, C. P. 45900, Chapala, Jalisco, Mexico. & Herp. mx A. C. C. P. 28989, Villa de Alvarez, Colima, Mexico.
- 4. Facultad de Ciencias Quimico Biologicas, Universidad Autonoma de Guerrero. Avenida Lazaro Cardenas # 88, Ciudad Universitaria Sur, C. P. 39074, Chilpancingo de los Bravo, Guerrero, Mexico.
- 5. Los Angeles Zoo and Botanical Gardens, 45333 Zoo Drive, Los Angeles, P. C. 90027, California, USA.
- 6. Department of Biology, University of South Alabama, 5871 USA Dr. N., Mobile, P. C. 36688, Alabama, USA.
Description
Table 3. Meristic variation of Tropidodipsas tricolor sp. nov. and Tropidodipsas papavericola sp. nov.
| Species | T. tricolor sp. nov. | T. papavericola sp. nov. | ||||||
|---|---|---|---|---|---|---|---|---|
| Specimen | INIRENA 2800 | INIRENA 2798 | INIRENA 2801 | INIRENA 2802 | INIRENA 2803 | INIRENA 2804 | INIRENA 2810 | INIRENA 2805 |
| Sex | Male | Female | Male | Male | Male | Male | Male | Male |
| Snout-vent Length | 210 | 310 | 421 | 366 | 363 | 430 | 258 | 336 |
| Tail Length | 67 | 93 | 137 | 119 | 113 | 127 | 91 | 112 |
| Total Length | 277 | 403 | 558 | 485 | 476 | 557 | 349 | 448 |
| Head length | 8.30 | 13.62 | 18.97 | 15.25 | 15.83 | 18.58 | 13.03 | 14.92 |
| Anterior Chinshield | Longer than wide | Longer than wide | Longer than wide | Longer than wide | Longer than wide | Longer than wide | Longer than wide | Longer than wide |
| Posterior Chinshields | Longer than wide | Longer than wide | Longer than wide | Longer than wide | Longer than wide | Longer than wide | Longer than wide | Longer than wide |
| Gulars | 3 | 3 | 4 | 4 | 5 | 4 | 5 | 5 |
| Infras in contact with 1st CS | 5 | 5 | 5 | 4 | 4 | 5 | 4 | 4 |
| Ventral Scales | 183 | 183 | 180 | 180 | 188 | 189 | 182 | 179 |
| Subcaudal Scales | 79 / 79 | 79 / 79 | 76 | 74 left / 74 | 73 / 73 | 69 | 74 | 73 |
| Pre-oculars (Side) | 1. 1 | 1. 1* | 2. 2 | 2. 2 | 2. 2 | 2. 2 | 2.2 | 2. 2 |
| Post-oculars (Side) | 2. 2 | 3. 3 | 2.2 | 2. 2 | 2. 2 | 1. 1 | 2. 2 | 2. 2 |
| Anterior Temporals (Side) | 1. 1 | 1. 1 | 1. 1 | 1. 1 | 1. 1 | 1. 1 | 1. 1 | 1. 1 |
| Posterior Temporals (Side) | 2. 2 | 2. 2 | 2. 2 | 2. 2 | 2. 2 | 2. 2 | 2. 2 | 2. 2 |
| Supralabials (Side) | 8. 7 | 7. 8 | 7. 7 | 6. 6 | 6. 7 | 5. 6 | 7. 7 | 6. 6 |
| Infralabials (Side) | 8. 8 | 8. 9 | 7. 6 | 6. 6 | 6. 6 | 6. 6 | 7. 7 | 6. 6 |
| Post-mentals | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Pale Body Bands (Side) | 19. 19 | 19. 20 | - | 32. 28 | 34. 35 | 29. 27 | 27. 27 | 25. 25 |
| Pale Tail Bands (Side) | 9. 9 | 8. 8 | - | 14. 12 | - | 11. 11 | 15. 16 | 13. 13 |
| Black Body Blotches (Side) | 19. 19 | 19. 21 | 32. 33 | 30. 31 | 35. 35 | 27. 27 | 29. 28 | 26. 26 |
| Black Tail Blotches (Side) | 8. 8 | 8. 8 | 14. 14 | 15. 15 | - | 10. 11 | 16. 14 | 13. 13 |
| Total Pale Body Blotch Count (Body & Tail) | 28. 28 | 28. 28 | 46. 47 | 45. 46 | 42. 42 | 37. 38 | 45. 42 | 39. 39 |
| TL/TotL | 0.24 | 0.23 | 0.25 | 0.25 | 0.24 | 0.23 | 0.26 | 0.25 |
| TL/SVL | 0.32 | 0.30 | 0.33 | 0.33 | 0.31 | 0.30 | 0.35 | 0.33 |
| Internasal Length | 1.00 | 2.34 | 1.70 | 1.34 | 1.50 | 1.46 | 0.90 | 1.44 |
| Internasal Width | 1.60 | 2.62 | 4.48 | 3.53 | 3.58 | 4.74 | 2.96 | 3.52 |
| Loreal Length | 0.9 / 1.0 | 1.19 / 1.10 | 1.73 / 1.70 | 1.46 / 1.38 | 1.36 / 1.34 | 1.26 / 1.22 | 1.0 / 1.0 | 1.40 / 1.38 |
| Loreal Width | 1.0 / 1.0 | 1.24 / 1.12 | 1.84 / 1.82 | 1.45 / 1.2 | 1.38 / 1.42 | 1.40 / 1.46 | 0.92 / 0.94 | 1.30 / 1.26 |
| Loreal into orbit | No | No | No | No | No | No | No | No |
| Pre-frontal Length | 1.70 | 2.34 | 3.39 | 2.81 | 2.89 | 3.26 | 2.48 | 2.36 |
| Pre-frontal Width | 2.00 | 2.64 | 5.75 | 4.69 | 4.69 | 5.06 | 3.84 | 4.33 |
| Prefrontal into orbit | Yes | Yes | No | No | No | No | No | No |
| Frontal Length | 2.80 | 2.88 | 4.23 | 3.58 | 3.71 | 3.93 | 3.31 | 3.60 |
| Frontal Width | 2.40 | 2.70 | 3.81 | 2.73 | 3.35 | 3.35 | 2.71 | 3.08 |
| Parietal Length | 4.30 | 5.54 | 6.58 | 6.82 | 5.51 | 6.26 | 4.61 | 5.28 |
| Length Anterior Chinshields | 2.4 / 2.6 | 3.49 / 3.63 | 4.73 | 4.03 | 4.31 | 5.72 | 3.33 | 3.58 |
| Length Posterior Chinshields | 1.9 / 1.8 | 2.28 / 2.42 | 3.72 | 1.94 | 2.25 | 2.67 | 1.81 | 2.15 |
| Eye Diameter | 2.10 | 2.80 | 3.20 | 3.02 | 3.11 | 3.56 | 2.71 | 2.85 |
| ED/HL | 0.25 | 0.21 | 0.17 | 0.20 | 0.20 | 0.19 | 0.21 | 0.19 |
| Pre-Frontal Length/Width | 0.85 | 0.89 | 0.59 | 0.60 | 0.62 | 0.64 | 0.65 | 0.55 |
| HL/SVL | 0.04 | 0.04 | 0.05 | 0.04 | 0.04 | 0.04 | 0.05 | 0.04 |
| Midbody scale rows | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Head scale rows | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Caudal scale rows | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Lateral compresion | Yes - Extreme | Yes - Extreme | Yes - Oval | Yes - Oval | Yes - Oval | Yes - Oval | Yes - Oval | Yes - Oval |
| Anal plate | Undivided | Undivided | Undivided | Undivided | Undivided | Undivided | Undivided | Undivided |
| Penultimate supralabial enlarged | Yes | Yes | Yes | Yes | Yes | Fused | Yes | Yes |
| First infraliabals in contact | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Pale nuchal band | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Notes
Published as part of Gruenwald, Christoph I., Toribio-Jimenez, Sarahi, Montano-Ruvalcaba, Carlos, Franz-Chavez, Hector, Penaloza-Montano, Miguel A., Barrera-Nava, Eduardo Y., Jones, Jason M., Rodriguez, Christopher M., Hughes, India M., Strickland, Jason L. & Reyes-Velasco, Jacobo, 2021, Two new species of snail-eating snakes of the genus Tropidodipsas (Serpentes, Dipsadidae) from southern Mexico, with notes on related species, pp. 233 in Herpetozoa 34 on page 233, DOI: 10.3897/herpetozoa.34.e69176
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