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Ateuchosaurus pellopleurus (HALLOWELL, 1861)

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Higher TaxaScincidae, (Ateuchosauridae, Ateuchosaurini), Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Ryukyu short-legged skink 
SynonymLygosaurus pellopleurus HALLOWELL 1861: 496
Lygosoma pellopleurum — BOULENGER 1887: 319
Lygosoma (Homolepida) pellopleurum — BOETTGER 1895: 107
Lygosaurus pellopleurus — STEJNEGER 1907: 222
Lygosaurus pellopleurus browni VAN DENBURGH 1912: 7
Lygosoma okinavensis THOMPSON 1912: 4 (fide OKADA 1939)
Lygosaurus pellopleurus — SCLATER 1950
Ateuchosaurus pellopleurum — SMITH 1937: 231
Ateuchosaurus pellopleurus — GORIS & MAEDA 2004
Ateuchosaurus pellopleurus — MAKINO et al. 2020
Ateuchosaurus pellopleurus — MAKINO et al. 2023 
DistributionJapan (Amami group islands, e.g. Amami-oshima Island, Tokara islands, Osumi islands, Ryukyu Archipelago)

Type locality: Onsima, Japan; one specimen from Loo-Choo. Lectotype locality: Amamioshima Island, Amami Group, Ryukyu Archipelago, Japan

browni: Type locality: Amami O-shima, Loo Choo Islands, Japan  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesLectotype: USNM 42110, designated by Makino et al. 2023; paralectotype: USNM 42114; other specimens: KUZ, OMNH
Holotype: CAS 21537 [okinavensis]
Holotype: CAS 21408 [browni] 
DiagnosisDiagnosis: An Ateuchosaurus species characterized by the following characters: FrNa and frontal usually distinct; a pair of frontoparietals that do not contact each other; eight SuCis; anteroposteriorly reduced parietals separated from SuO and pretemporal by EcP; no distinct nuchals; usually six InLas; body size medium (SVL ca. 42–70 mm); widely separated forelimb and hindlimb when appressed; usually 26 or 28 MSRs (mode = 26, 24–30); 53–70 (mode = 62) and 56–69 DMSs (mode = 63) in male and female, respectively; 8–14 TIVs (mode = 11); 10 preanals not enlarged; usually 2–3 pairs of DSRBS. (Makino et al. 2023)


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CommentDistribution: see map in Makino et al. 2020 (Fig 1) and Makino et al. 2023: 78 (Fig. 1).

Subspecies: the subspecies browni is not recognized by recent authors (e.g. Makino et al. 2020).

Reference images: see Uetz et al. 2024 for high-resolution reference images for this species. 
References
  • Barbour, T. 1917. A most regretable tangle of names. Occasional Papers of the Museum of Zoology, University of Michigan (44): 1-9 - get paper here
  • Barbour, Thomas 1909. Notes on Amphibia and Reptilia from Eastern Asia. Proc. New England zool. Club 4: 53-78, 2 plates - get paper here
  • Boettger, O. 1895. Neue Frösche und Schlangen von den Liukiu-Inseln. Offenbach. Ver. Naturk. 33-36: 101-117
  • Boulenger, G. A. 1887. Catalogue of the lizards in the British Museum (Nat. Hist.) III. Lacertidae, Gerrhosauridae, Scincidae, Anelytropsidae, Dibamidae, Chamaeleontidae. London: 575 pp. - get paper here
  • Goris, R.C. & Maeda, N. 2004. Guide to the Amphibians and Reptiles of Japan. Krieger, Malabar, 285 pp.
  • Hallowell, E. 1861. Report upon the Reptilia of the North Pacific Exploring Expedition, under command of Capt. John Rogers, U. S. N. Proc. Acad. Nat. Sci. Philadelphia 12 [1860]: 480 - 510 - get paper here
  • Makino T, Nakano T, Okamoto T, Hikida T 2023. Taxonomic revision and re-description of Ateuchosaurus pellopleurus (Hallowell, 1861) (Reptilia, Squamata, Scincidae) with resurrection of A. okinavensis (Thompson, 1912). Zoosystematics and Evolution 99(1): 77-91 - get paper here
  • Makino, T., Okamoto, T., Kurita, K., Nakano, T., & Hikida, T. 2020. Origin and intraspecific diversification of the scincid lizard Ateuchosaurus pellopleurus with implications for historical island biogeography of the Central Ryukyus of Japan. Zoologischer Anzeiger 288: 1-10 - get paper here
  • Nakamura, Yasuyuki, Akio Takahashi and Hidetoshi OTA. 2013. Recent cryptic extinction of squamate reptiles on Yoronjima Island of the Ryukyu Archipelago, Japan, inferred from garbage dump remains. Acta Herpetologica 8 (1): 19-34
  • Ota, Hidetoshi;Lin, Jun-Tsong;Bogadek, Anthony;Lau, Michael W. 1997. Karyotype of the lygosomine genus Ateuchosaurus from East Asia. Journal of Herpetology 31 (4): 604-607 - get paper here
  • Ota,H.; Miyaguni,H. & Hikida,T. 1999. Geographic variation in the endemic skink, Ateuchosaurus pellopleurus, from the Ryukyu Archipelago, Japan. Journal of Herpetology 33 (1): 106-118 - get paper here
  • Sclater, J.A. 1950. Bionomic notes on some reptiles form Okinawa Shima, Ryukyu Islands, Japan. Ann. Mag. Nat. Hist. (12) 3: 113-116 - get paper here
  • Smith, M.A. 1937. A review of the genus Lygosoma (Scincidae: Reptilia) and its allies. Records of the Indian Museum 39 (3): 213-234
  • Stejneger, LEONHARD H. 1907. Herpetology of Japan and adjacent territory. Bull. US Natl. Mus. 58: xx, 1-577 - get paper here
  • Thompson, J.C. 1912. Herpetological notices, No. 2. Prodrome of descriptions of new species of Reptilia and Batrachia from the Far East. Privately published, San Francisco.
  • Uetz, P.H.; Patel, M.; Gbadamosi, Z.; Nguyen, A.; Shoope, S. 2024. A Reference Database of Reptile Images. Taxonomy 4: 723–732 - get paper here
  • Van Denburgh, J. 1912. Advance diagnoses of new reptiles and amphibians from the Loo Choo Islands and Formosa. Privately published by author, San Francisco. 8 pages.
  • 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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