Masticophis taeniatus (HALLOWELL, 1852)
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Masticophis taeniatus
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | Masticophis taeniatus girardi (STEJNEGER & BARBOUR 1917) Masticophis taeniatus taeniatus (HALLOWELL 1852) |
| Common Names | E: Striped Whipsnake girardi: Central Texas Whipsnake ornatus: Central Texas Whipsnake taeniatus: Desert Striped Whipsnake S: Látigo Rayada |
| Synonym | Leptophis taeniata HALLOWELL 1852 Masticophis taeniatus — BAIRD & GIRARD 1853: 103 Leptophis taeniata — GARMAN 1884: 46 Bascanion taeniatus — BOCOURT in DUMÉRIL et al. 1890: 703 Zamenis taeniatus — MOCQUARD 1899: 324 Coluber taeniatus taeniatus — VAN DENBURGH & SLEVIN 1921 Coluber taeniatus taeniatus — FITCH 1936 Masticophis taeniatus taeniatus — SMITH 1941: 393 Masticophis taeniatus — STEBBINS 1985: 183 Masticophis taeniatus — LINER 1994 Masticophis taeniatus taeniatus — TENNANT & BARTLETT 2000: 317 Coluber taeniatus — UTIGER et al. 2005 (by implication) Masticophis taeniatus taeniatus — COLLINS & TAGGART 2009 Coluber taeniatus — CROTHER et al. 2012 Masticophis taeniatus — WALLACH et al. 2014: 419 Masticophis taeniatus — O’CONNELL et al. 2017 Masticophis taeniatus — MYERS et al. 2017 Masticophis taeniatus girardi (STEJNEGER & BARBOUR 1917) Masticophis ornatus BAIRD & GIRARD 1853: 102 Bascanium taeniatum ornatum — COPE 1875: 40 Bascanium taeniatum laterale — YARROW 1875: 543 (part.) Coluber ornatus — GARMAN 1887: 126 Bascanium ornatum — COPE 1891: 622 Zamenis ornatus — GÜNTHER 1894: 122 Zamenis taeniatus ornatus — BROWN 1901: 57 Bascanion ornatum — BAILEY 1905: 28 Coluber taeniatus girardi STEJNEGER & BARBOUR 1917 (nom. nov.) Masticophis taeniatus girardi — GLOYD & CONANT 1934 Masticophis taeniatus girardi — SMITH 1941: 393 Masticophis taeniatus ornatus — SCHMIDT & SMITH 1944 Masticophis taeniatus ornatus — JAMESON & FLURY 1949 Masticophis taeniatus ornatus — SMITH & TAYLOR 1945 Coluber taeniatus ornatus — MILSTEAD 1953 Masticophis taeniatus ornatus — VAN DEVENDER & LOWE 1977 Masticophis taeniatus girardi — TANNER 1985: 637 Masticophis taeniatus ornatus — MEHRTENS 1987: 147 Masticophis taeniatus girardi — CONANT & COLLINS 1991: 188 Masticophis taeniatus girardi — CAMP{ER 1996 Masticophis taeniatus ornatus — CROTHER 2000: 66 Masticophis taeniatus girardi — TENNANT & BARTLETT 2000: 319 Masticophis taeniatus girardi — COLLINS & TAGGART 2009 Coluber taeniatus girardi — CROTHER et al. 2012 |
| Distribution | USA (Oregon, Washington, E California, Nevada, Utah, W Colorado, Arizona, New Mexico, S/W Texas), Mexico (Chihuahua, Coahuila, Durango, Nuevo Leon, Tamaulipas, Jalisco, Hidalgo, Aguascalientes, Querétaro) girardi: USA (C Texas, New Mexico); Mexico (Coahuila, Durango, Chihuahua); Type locality: same as ornatus, see comment. ornatus (invalid): USA (Texas); Type locality: Texas, between Indianola and El Paso. taeniatus: USA (Oregon, Washington, E California, Nevada, Utah, W Colorado, Arizona, New Mexico). Type locality: "New Mexico west of the Rio Grande;" restricted to Shiprock, San Juan Co., New Mexico, USA (Smith and Taylor, 1950). |
| Reproduction | oviparous |
| Types | Holotype: USNM 2110, adult male, 547 mm SVL Holotype: USNM 1971, skin [girardi] Syntype: ANSP 5366 |
| Diagnosis | Diagnosis: This species is the only Masticophis with 15 dorsal scale rows lacking light dorsal speckling and red pigment at the angle of the jaw (Camper 1996). |
| Comment | Subspecies and synonymy: Masticophis (= Coluber) taeniatus schotti (BAIRD & GIRARD 1853) is treated here as full species and Masticophis (Coluber) taeniatus ruthveni has been moved to M. (Coluber) schotti. The status of australis is unclear since some authors consider it as synonym of M. (schotti) ruthveni. CROTHER (2000) doesn’t list M. t. girardi nor M. t. australis (girardi seems to be synonymous to ornatus in his list). Coluber taeniatus ornatus would have been a homonym of Coluber ornatus SHAW 1802 (= Chrysopelea ornata), hence STEJNEGER 7 BARBOUR suggested the nomen novum C. t. girardi. Coluber taeniatus australis SMITH 1941 is not considered as a synonym of C. schotti ruthveni. The ‘‘juvenile whipsnake’’ illustrated in Stebbins & McGinnis (2012) in the account of Masticophis taeniatus (p. 370) is an adult M. bilineatus. Type species: Leptophis taeniata HALLOWELL 1852 is the type species of the genus Masticophis BAIRD & GIRARD 1853 (who originall designated Masticophis ornatus BAIRD & GIRARD 1853 as type species). However, Utiger et al. (2005) synonymized Masticophis with Coluber. Myers et al. 2017 suggest to retain Masticophis as it is monophyletic and separated morphologically from Coluber. Taxonomic history of Masticophis vs. Coluber. Ortenburger (1928) argued that Masticophis and Coluber should remain as separate genera based largely on maxillary tooth numbers, scale-row formulae and patterns of scale-row reduction, as well as hemipenial morphology. Inger and Clark (1943) supported this division based on scale counts and hemipenial morphology; however, Bogert and Oliver (1945) stated that only the single genus Coluber should be used for the group because ‘‘no satisfactory basis for partitioning Coluber has been offered’’. Auffenberg (1955) suggested that Masticophis be placed in the synonymy of Coluber based on scale row reduction, citing scale row counts of M. taeniatus that are the same as those of C. constrictor. Schätti (1986) argued for uniting Masticophis and Coluber because they cannot be easily differentiated based on dentition, vertebral structure (partic- ularly when attempting to refer fossil taxa; Auffenberg, 1963), and hemipenes. Pyron et al. 2013 and Figueroa et al. 2016 have also inferred the paraphyly of Masticophis with respect to C. constrictor. However, Myers et al. 2017 conclude that Coluber and Masticophis, are monophyletic with respect to one another though not with strong support (Myers et al. 2017). Distribution: see map in Camper 1996. |
| Etymology | The generic name was derived from the Greek words mastyx, meaning "whip" and ophis, meaning "serpent," in reference to the braided appearance of the tail. The name taeniatus is from the Greek tainia (= ribbon) and -atus (= having) in reference to the striped pattern of these snakes. M. t. girardi is a patronym honoring Charles Girard, noted 19th century naturalist. |
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