Sphenomorphus bacboensis (EREMCHENKO, 2003)

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Higher Taxa	Scincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Subspecies
Common Names
Synonym	Livorimica bacboensis EREMCHENKO 2003 Scincella melanosticta — DAREVSKY 1986 (see comment) Livorimica bacboensis — NGUYEN et al. 2010 Sphenomorphus bacboensis — NGUYEN et al. 2011
Distribution	Vietnam Type locality: Vietnam, Bac Can Province, village Dong-Luong.
Reproduction	oviparous (not imputed, fide Zimin et al. 2022)
Types	Holotype: ZISP 20006.1, collected I.S. Darevsky, 1986.
Diagnosis
Comment	The species Livoromica bacboensis was described based on a specimen collected by Darevsky in 1986 and listed before as Scincella melanosticta (Darevsky et al., 1986) [V. Bobrov, pers. comm. 9.9.04] Livoromica was synonymized with Sphenomorphus by Nguyen et al. 2011 based on the diagnostic features of Livorimica shared with members of Sphenomorphus (e.g., buenloicus, cryptotis, incognitus, indicus, mimicus, tonkinensis sp. nov.): supranasals absent; lower eyelids scaly; nuchals oriented flush with parietals; scales on dorsal surface of base of digit IV in three rows; medial precloacals enlarged, inner scales overlapping outer scales; and palm with tubercles. Furthermore, the six supralabials of L. bacboensis also occur in Sphenomorphus bukitensis and S. butleri. Diagnosis (Livorimica): Eremchenko 2003: 20. Abundance: only known from the type locality (Meiri et al. 2017). This is one of the species called 'lost' and 'rediscovered' by Lindken et al. 2024.
Etymology	The original generic name is derived Latin “livor” = bruise, and “mica” = crumb, referring to the tiny body size and scales of this lizard. The species is named after a name for Northern Vietnam, “Bacbo”.
References	Darevsky, I.S., Nguyen Van Sang, & Than Kien 1986. [Materials on the herpetology of North Vietnam]. Instit. Zool., AN SSSR, Leningrad, Trudy Vol. 157: 62-68. Eremchenko, V. K 2003. Generic and specific redefinition and redescription of the North-Vietnam skink (Scincella melanosticta (Boulenger, 1887). Izvestiya Vuzov (= Proceedings of Universitities and Institutes), Bishkek, (1-2): 20-28 Lindken T.; Anderson, C. V., Ariano-Sánchez, D., Barki, G., Biggs, C., Bowles, P., Chaitanya, R., Cronin, D. T., Jähnig, S. C., Jeschke, J. M., Kennerley, R. J., Lacher, T. E. Jr., Luedtke, J. A., Liu, C., Long, B., Mallon, D., Martin, G. M., Meiri, 2024. What factors influence the rediscovery of lost tetrapod species? Global Change Biology, 30: 1-18 - get paper here Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here Nguyen, Truong Quang; Andreas Schmitz, Tao Thien Nguyen, Nikolai L. Orlov, Wolfgang Böhme, and Thomas Ziegler 2011. Review of the Genus Sphenomorphus Fitzinger, 1843 (Squamata: Sauria: Scincidae) in Vietnam, with Description of a New Species from Northern Vietnam and Southern China and the First Record of Sphenomorphus mimicus Taylor, 1962 from Vietnam. Journal of Herpetology 45 (2): 145-154. Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
External links	IUCN Red List Google images

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