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Pyxis planicauda (GRANDIDIER, 1867)

IUCN Red List - Pyxis planicauda - Critically Endangered, CR

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Higher TaxaTestudinidae, Testudinoidea, Testudines (turtles)
Common NamesE: Madagascan Flat-tailed Tortoise 
SynonymTestudo planicauda GRANDIDIER 1867
Acinixys planicauda — SIEBENROCK 1902
Testudo morondavaensis VUILLEMIN 1972
Pyxis planicauda — BOUR 1979
Pyxis planicauda — BOUR 1981
Pyxis planicauda — KING & BURKE 1989
Pyxis (Acinixys) planicauda — KUCHLING 1989
Pyxis (Pyxis) planicauda — GLAW & VENCES 1994: 224
Pyxis planicauda — VALVERDE 2005
Pyxis planicauda — TTWG 2021 
DistributionSW Madagascar (vicinity of Morondava)

Type locality: "Mouroundava, ouest de Madagascar," restricted by Bour 1981:165, to "Morondava, province de Tulear, Madagascar (puirrait etre restrainte a la foret d'Andranomena)."  
TypesHolotype: MNHN-RA 9373; Syntype: NMW 23479 
CommentThis is one of the 25 most endangered turtle species according to a 2003 assessment by the IUCN. 
EtymologyNamed after its supposedly flat tail (Latin “planus” = flat, and Latin “cauda” = tail). 
  • Behler, J.L., Q.M.C. Bloxam, E. Rakotovao, and H.J.A.R. Randriamahazo 1993. New localities for Pyxis planicauda in West-central Madagascar. Chelonian Conserv. Biol. J. IUCN/SSC Tortoise and Freswater Turtle Specialist Group.
  • Bonin, F., Devaux, B. & Dupré, A. 2006. Turtles of the World. English translation by P.C.H. Pritchard. Johns Hopkins University Press, 416 pp.
  • Bour, R. 1979. Les tortues actuelles de Madagascar (République Malagache): liste systématique et description de deux sous-espèces nouvelles (Reptilia-Testudines). Bulletin de la Société Etude des Sciences Anjou, N.S. 10:141-154 [1978]
  • Bour, R. 1981. Etude systematique du genre endemique malgache Pyxis Bell, 1827 (Reptilia, Chelonii). Bull. Mens. Soc. Linn. Lyon. 50 (4-5): 132-144, 154-176. - get paper here
  • Bour, Roger 2005. The type specimens of Testudo planicauda Grandidier, 1867 and Testudo morondavaensis Vuillemin, 1972. Emys 12 (4) :22-27.
  • Caccone, Adalgisa; George Amato; Oliver C. Gratry; John Behler and Jeffrey R. Powell 1999. A Molecular Phylogeny of Four Endangered Madagascar Tortoises Based on MtDNA Sequences. Molecular Phylogenetics and Evolution 12 (1): 1–9 - get paper here
  • Castellano, Christina M.; Anders G.J. Rhodin, Michael Ogle, Russell A. Mittermeier, <br />Herilala Randriamahazo, Rick Hudson, and Richard E. Lewis, Eds. 2014. Turtles on the Brink in Madagascar: Proceedings of Two Workshops on the Status, Conservation, and Biology of Malagasy Tortoises and Freshwater Turtles. Chelonian Research Monographs, doi: 10.3854/crm.6 - get paper here
  • Durell, L., B. Groombridge, S. Tonge, and Q. Bloxam. 1989. Acinixys planicauda, Madagscar flat-tailed tortoise, Kapidolo. In: Swingland, I.R. and M.W. Klemens (Eds.). The Conservation Biology of Tortoises. Occas. Pap. IUCN Species Survival Commission %:94-95.
  • Ernst,C.H. and Barbour,R.W. 1989. Turtles of the World. Smithsonian Institution Press, Washington D.C. - London
  • Gardner CJ, Raxworthy CJ, Metcalfe K, Raselimanana AP, Smith RJ, Davies ZG 2015. Comparing Methods for Prioritising Protected Areas for Investment: A Case Study Using Madagascar’s Dry Forest Reptiles. PLoS One 10 (7): e0132803, doi:10.1371/journal.pone.0132803 - get paper here
  • Gemel, R.; G. Gassner & S. Schweiger 2019. Katalog der Typen der Herpetologischen Sammlung des Naturhistorischen Museums Wien – 2018. Ann. Naturhist. Mus. Wien, B 121: 33–248
  • Gibson, R.C. & Buley, K.R. 2004. Biology, captive husbandry, and conservation of the Malagasy Flat-tailed Tortoise, Pyxis planicauda Grandidier, 1867. Herpetological Review 35 (2): 111-116 - get paper here
  • Glaw ,F. & Vences, M. 1994. A Fieldguide to the Amphibians and Reptiles of Madagascar. Vences & Glaw Verlag, Köln (ISBN 3-929449-01-3)
  • GLOS, Julian 2012. Lebensraum Trockenwald – die Menabe-Region im Westen von Madagaskar. Terraria-Elaphe 2012 (6): 54-57 - get paper here
  • Grandidier, A. 1867. Liste des reptiles nouveaux découverts, en 1866, sur la côte sud-ouest de Madagascar. Revue et Magazine de Zoologie (Paris), Sér. 2, 19: 232-234
  • Hersche, H. & Liebel, K. 2003. Pyxis planicauda. Reptilia (Münster) 8 (41): 88-89 - get paper here
  • Kuchling, G and Q. Bloxam. 1988. Field-data on the madagascan flat-tailed tortoise Pyxis (Acinixys) planicauda. Amphibia-Reptilia 9:175-180. - get paper here
  • Kuchling, G. 1989. Ökologie, Lebensweise und Überlebenschancen der Landschildkröten Madagaskars. Salamandra 25 (3-4): 169-190 - get paper here
  • Siebenrock, F. 1902. Über zwei seltene Schildkroten der herpetologischen Sammlung des Wiener Museums. Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe, Wien 39: 11-13 - 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
  • Valverde, J. 2005. African Tortoises. Reptilia (GB) (43): 12-20 - get paper here
  • Valverde, J. 2005. Afrikanische Landschildkröten. Reptilia (Münster) 10 (56): 18-25 - get paper here
  • Vuillemin, Simone 1972. Note sur Testudo morondavaensis n. sp. Ann. Univ. Madagascar (sér. Sci. Nat. Math.) 9: 127-134
  • Ziegler, Thomas; Joel Kamphausen, Frank Glaw, Angelica Crot- tini,, Gerardo Garcia, Dennis Rödder, Anna Rauhaus, Lilli Sten- ger & Anna Wahle 2022. Threatened Malagasy amphibians and reptiles in zoos – a call for enhanced implementation of the IUCN’s One Plan Approach Zool. Garten N.F. 90: 21-69 - get paper here
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