Archelaphe bella (STANLEY, 1917)
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Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
Subspecies | Archelaphe bella bella (STANLEY 1917) Archelaphe bella chapaensis (BOURRET 1934) |
Common Names | E: Bella Rat Snake E: Burmese Rat Snake (leonardi) G: Leonards Kletternatter (leonardi) Chinese: 方花蛇 |
Synonym | Coronella bella STANLEY 1917 Coluber leonardi WALL 1921: 43 Coluber leonardi — WALL 1923: 467 Wallophis bella — WERNER 1929 Coronella bella — MELL 1931 [1929] Elaphe porphyracea leonardi — ANGEL & BOURRET, 1933: 134 Coluber leonardi — RENDAHL 1937 Elaphe leonardi — SMITH 1943: 156 Oligodon bella — DING & ZHENG 1974 Oligodon bellus — ZHAO et al., 1977: 64 Elaphe leonardi — SCHULZ 1996 Wallophis bella — WELCH Oligodon bellus — JIANG et al. 2006 Oligodon bellus — ZHAO 2006 Maculophis bella — BURBRINK & LAWSON 2007 Elaphe bella — NGUYEN et al. 2009 Archelaphe bella — SCHULZ et al. 2011 Archelaphe bellus — WALLACH et al. 2014: 54 Maculophis bella — ZAW 2020 Archelaphe bella chapaensis (BOURRET 1934) Coluber leonardi chapaensis BOURRET 1934 Elaphe leonardi leonardi WALL 1921 Elaphe bella chapaensis — SCHULZ et al. 2000 Elaphe leonardi chapaensis — ORLOV et al. 2003 Maculophis bella chapaensis — ORLOV et al. 2010 Maculophis bellus chapaensis — DAS 2010: 285 Archelaphe bella chapaensis — SCHULZ et al. 2011 |
Distribution | China (Hunan, Guangdong, Guangxi, Fujian, Sichuan, Yunnan), Myanmar (Burma: Kachin), Vietnam (Lao Cai, Lang Son, Bac Thai, Vinh Phuc, Ha Tinh), India (Assam, Arunachal Pradesh, Nagaland) leonardi: Myanmar (= Burma), Vietnam (Hong river); Type locality: Birma: Kachin, Sinlum Kaba (Wall, 1921) chapaensis: Vietnam (Bac-Phan), Myanmar, China (W Yunnan); Type locality: near Chapa village (= Sa Pa), Bac Phan province, N Vietnam. |
Reproduction | oviparous |
Types | Holotype: SNHM (SMNHC) 717-17-1-525, Shanghai Museum of Natural History Lectotype: MNHN-RA 1935.0131; paralectotype: MNHN-RA 1933.0006 [chapaensis] |
Diagnosis | Diagnosis: An old, isolated clade of relatively smallgrowing ratsnakes (total length 800 – 1000 mm) within the collective genus Elaphe auct. which branched off after the Rhadinophis and the Euprepiophis-Oreocryptophis clades (Burbrink and Lawson, 2007). From the latter two genera, it is distinguished by (1) a weakly (vs. markedly) concave frontal shield; (2) a consistently lacking loreal shield (present in Oreocryptophis and Euprepiophis, lacking only exceptionally in some E. mandarinus); (3) a dorsal head pattern of an anteriorly open Vor Y-shaped marking (vs. a posteriorly open V-shaped marking in Euprepiophis, or a longitudinal midline streak in Oreocryptophis); and (4) its hemipenis with a slightly expanded, calyculate and indistinctly asymmetrical apex (vs. subcylindrical, spiny and bilobed in Oreocryptophis, and distinctly expanded, spiny and asymmetrically bipartite in Euprepiophis mandarinus and perlaceus, subcylindrical in E. conspicillatus). |
Comment | Synonymy: WERNER (1929) established Zamenis brachyura Günther, 1866 (currently Coronella brachyura) as the type species of Wallophis, and allocated also “Coronella (Wallophis) pulchra” to his new genus. Wallophis was revived in a non-peer reviewed journal (Litteratura Serpentium), without adequate justification (by Ken Welch) and is thus not recognized here. Coluber leonardi WALL 1921 is a synonym of Coronella bella STANLEY 1917 (= Elaphe bella) fide SCHULZ (2000). See SCHULZ et al. 2011 for a more extensive chresonymy. Maculophis BURBRINK & LAWSON 2007 is a nomen nudum fide BÖHME & DE PURY 2011. Type species: Coronella bella STANLEY 1917 is the type species of the genus Archelaphe SCHULZ, BÖHME & TILLACK 2011. Distribution: Not listed for India by Whitaker & Captain 2007. Schulz 2000 lists only China, Myanmar, and Vietnam as countries. Wallach et al. 2014 also list Laos and Nagaland in India. |
Etymology | Derived from the Greek word archaios (= old), archaic, in reference to the basal position of the Archelaphe clade in the phylogenetic tree of Elaphe auct. |
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