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Geoemyda japonica FAN, 1931

IUCN Red List - Geoemyda japonica - Endangered, EN

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Higher TaxaGeoemydidae (Geoemydinae), Testudinoidea, Testudines (turtles)
Common NamesE: Okinawa Black-breasted Leaf Turtle
G: Japanische Zacken-Erdschildkröte 
SynonymGeoemyda spengleri japonica FAN 1931
Geoemyda japonica — YASUKAWA et al. 1992
Geoemyda spengleri japonica — IVERSON 1992: 123
Geoemyda japonica — OBST 2003: 17
Geoemyda japonica — GORIS & MAEDA 2004
Geoemyda japonica — TTWG 2014
Geoemyda japonica — TTWG 2021 
DistributionJapan (Ryukyu islands: Okinawa)

Type locality: “Japan and other Pacific Islands”  
TypesHolotype: nondesignated (IVERSON 1992: 123) 
CommentOTANI et al. (1995) reported hybrids between M. japonica and Cuora flavomarginata and between Geoemyda japonica and C. flavomarginata.

This species is classified as “vulnerable” in Japan (Ota 2000). 
EtymologyNamed after the type locality. 
  • Ackermann, L. 2016. In den Wäldern von Okinawa. Terraria-Elaphe 2016 (5): 48-51 - get paper here
  • Fan, TSANG-HOW. 1931. Preliminary report of reptiles from Yashan, Kwangsi, China. Bull. Dept. Biol. Coll. Sci. Sun Yatsen Univ., Canton, 11 (4): 1-154 - get paper here
  • Goris, R.C. & Maeda, N. 2004. Guide to the Amphibians and Reptiles of Japan. Krieger, Malabar, 285 pp.
  • Obst, F.J. 2003. Sumpfschildkröten. Draco 4 (13): 4-18 - get paper here
  • Ota, H. 2000. Current status of the threatened amphibians and reptiles of Japan. Popul. Ecol. 42: 5-9 - get paper here
  • Otani, T. 1995. Possible hybrids between Geoemyda japonica and Cuora flavomarginata found on Okinawajima Island, Ryukyu Archipelago. Akamata 11: 25-26
  • Otani, T. 1995. A possible hybrid between Geoemyda japonica and Cuora flavomarginata obtained in captivity. Akamata 11: 22-24
  • Schaefer, I. 2005. Zacken-Erdschildkröten - Die Gattung Geoemyda. Natur und Tier Verlag, Münster, 143 pp. - get paper here
  • Schilde, M. 2004. Asiatische Sumpfschildkröten - Die Familie Geoemydidae in Südostasien, China und Japan. Natur und Tier Verlag (Münster), 192 pp. - get paper here
  • Sharma, R. C. 2004. Handbook Indian Snakes. AKHIL BOOKS, New Delhi, 292 pp.
  • Struijk, R.P.J.H. 2014. Ein Fall von aberranter Plastralzeichnung bei einer weiblichen Japanischen Zacken-Erdschildkröte Geoemyda japonica FAN 1931 von Kume-jima, Japan. Sauria 36 (4): 53-54 - get paper here
  • Takahashi, Akio; Hiroyuki Otsuka and Hidetoshi Ota 2008. Systematic Review of Late Pleistocene Turtles ( Reptilia: Chelonii) from the Ryukyu Archipelago, Japan, with Special Reference to Paleogeographical Implications. Pacific Science 62 (3):395 – 402 - get paper here
  • TTWG [Peter Paul van Dijk, John B. Iverson, Anders G.J. Rhodin, H. Bradley Shaffer, and Roger Bour] 2014. Turtles of the World, 7th Edition: Annotated Checklist of Taxonomy, Synonymy, Distribution with Maps, and Conservation Status. 000.v7. Chelonian Research Monographs (ISSN 1088-7105) No. 5, doi:10.3854/crm.5.000.checklist.v7.2014 - get paper here
  • TTWG; Rhodin, A.G.J., Iverson, J.B., Bour, R., Fritz, U., Georges, A., Shaffer, H.B., and van Dijk, P.P. 2021. Turtles of the World: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status (9th Ed.). In: Rhodin, A.G.J., Iverson, J.B., van Dijk, P.P., Stanford, C.B., Goode, E.V., Buhlmann, K.A., and Mittermeier, R.A. (Eds.). Chelonian Research Monographs 8:1–472. doi:10.3854/crm.8.checklist.atlas.v9.2021. - get paper here
  • Yasukawa Y; Ota H; Hikida T 1992. Taxonomic re-evaluation of the two subspecies of Geoemyda spengleri spengleri (Gmelin, 1789) (Reptilia: Emydidae). Japanese Journal of Herpetology 14 (3): 143-159 - get paper here
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