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Parvoscincus jimmymcguirei LINKEM & BROWN, 2013

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Higher TaxaScincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Common Names 
SynonymParvoscincus jimmymcguirei LINKEM & BROWN 2013
Sphenomorphus decipiens — BROWN & ALCALA 1980: 186 (part)
Parvoscincus decipiens sp. 1 — LINKEM et al. 2011
Parvoscincus cf decipiens — BROWN et al. 2013 
DistributionPhilippines (N Luzon)

Type locality: Philippines, Luzon Island, Cagayan Province, Municipality of Gonzaga, Barangay Magrafil, Mt. Cagua, elevation 783 m elevationl, coordinates 18.219° N, 122.111° E.  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: PNM 9780 (formerly KU 330120; RMB Field No. 14729); Female. Collected 9 July 2011 by RMB. Paratypes. Philippines, Luzon Island, Cagayan Province, Municipality of Gonzaga, Barangay Magrafil, Mt. Cagua: KU 330126 (RMB 15016), KU 330122 (RMB 14817) Males; KU 330128 (RMB 15048) Female. Nueva Vizcaya Province, Municipality of Quezon, Barangay Maddiangat: KU 325796 (RMB 13514) Male. Bulacan Province, Municipality of Dona Remedios Trinidad, Barangay Kabayunan: KU 329401 (DSM 1804). Ilocos Norte Province, Municipality of Adams, Barangay Adams: KU 329935 (RMB 14394) Male; KU 329931 (RMB 14368), KU 329941 (RMB 14515), KU 329945 (RMB 14524), KU 329949 (RMB 14538) Females. 
DiagnosisDiagnosis: Parvoscincus jimmymcguirei sp. nov. can be identified by the following combination of characters: (1) A small body size (SVL at maturity 33–49 mm); (2) MBSR = 31–37; (3) PV = 58–73; (4) dorsal scales non- striated with apical pits; (5) apical pits on scales of forelimbs and hind limbs; (6) four enlarged supraoculars; (7) anterior and posterior loreals undivided laterally; (8) three preoculars; (9) and 17–22 Toe IV SDL.
Parvoscincus jimmymcguirei sp. nov. is the sister species to the clade containing P. arvindiesmosi sp. nov., P. abstrusus sp. nov., P. agtorum sp. nov., and P. decipiens sensu stricto. (Fig. 2).
Parvoscincus jimmymcguirei sp. nov. can be distinguished from P. arvindiesmosi sp. nov. by having a wide head (IND/RostL > 0.50 vs. < 0.50); a throat with dark brown mottling (vs. white throat without mottling); dorsolateral band bordered dorsally by large white flecks and not extending onto dorsum (vs. dorsolateral band extends dorsally towards midline becoming broken up dorsally); ventral edge of dorsolateral band flecked with white and becoming a mix of dark brown spots ventrally (vs. ventral edge of dorsolateral band with abrupt transition to lateral ground cream color, ventral edge of band broken up by irregular boxes of flank ground color).
Parvoscincus jimmymcguirei sp. nov. can be distinguished from P. abstrusus sp. nov. by the presence of apical pits on dorsal scales (vs. weak to absent apical pits on dorsal scales), by having a white throat with dark brown flecks (vs. a dark black throat in males or white throat without dark flecks in females), vertebral brown flecks darker, dark-brown dorsolateral band broad and bordered dorsally and ventrally by white flecks (vs. dorsolateral band thin, irregular, with small white flecks ventrally).
Parvoscincus jimmymcguirei sp. nov. is sympatric with P. decipiens sensu stricto and can be distinguished from this species by generally having more paravertebral scales (58–72 vs. 54–63); usually having more lamellae under the fourth toe (17–22 vs. 14–18); having dark mottling under the throat (vs. having a few light brown lines); having dark mottled labials, temporals, and nuchals (vs. cream labials and temporals); dorsolateral band broad and extending down length of body (vs. dorsolateral band broad anteriorly at posterior of eye and becoming a thin line of black bordered dorsally by tan posterior to forelimb).
Parvoscincus jimmymcguirei sp. nov. can be distinguished from sympatric P. agtorum sp. nov. by the presence of dorsal apical pores (vs. absence); fewer midbody scale rows (31–37 vs. 39); a slightly smaller size (33.75–44.12 vs. 44.91 mm); three preoculars (vs. two preoculars); a white throat with dark brown flecks (vs. a cream colored throat with few flecks and brown collar). 
EtymologyThe specific epithet is a patronym in the genitive singular, and is chosen in recognition of the many contributions of Jimmy A. McGuire to the systematics of Southeast Asian reptiles. 
  • Gojo-Cruz, Paul Henric P. and Leticia E. Afuang 2018. The Zoogeographic Significance of Caraballo Mountain Range, Luzon Island, Philippines With Focus on the Biogeography of Luzon’s Herpetofauna. Philippine Journal of Science 147 (3): 393-409 - get paper here
  • LINKEM, CHARLES W.; RAFE M. BROWN 2013. Systematic revision of the Parvoscincus decipiens (Boulenger, 1894) complex of Philippine forest skinks (Squamata: Scincidae: Lygosominae) with descriptions of seven new species. Zootaxa 3700 (4): 501–533 - get paper here
  • 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
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