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Chelonoidis donfaustoi POULAKAKIS, EDWARDS & CACCONE, 2015

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Higher TaxaTestudinidae, Testudinoidea, Testudines (turtles) 
Subspecies 
Common Names 
SynonymChelonoidis donfaustoi POULAKAKIS, EDWARDS & CACCONE in POULAKAKIS et al. 2015
Chelonoidis donfaustoi — TTWG 2017: 127 
DistributionEcuador (Galapagos Islands: E Santa Cruz Island)

Type locality: “Cerro Fatal in Santa Cruz”  
Reproduction 
TypesHolotype: UWZS 32700 (a skull) 
DiagnosisDiagnosis. “The new species can be diagnosed by a combination of genetic, morphological, and geographic distribution evidence.” (POULAKAKIS et al. 2015).

There are no diagnostic morphological characters that uniquely define the new species. However, “linear and geometric morphometric analyses reveal consistent differences in mean shell size and shape between tortoises from Reserva and Cerro Fatal. Tortoises from Reserva are larger in size and have a relatively larger carapace with higher anterior opening than the Cerro Fatal tortoises” (POULAKAKIS et al. 2015). 
CommentThis species has previously (and still is) considered as C. porteri. 
EtymologyThe new species is named in honor of Fausto Llerena Sánchez who devoted 43 years of service (1971–2014) to giant tortoise conservation as a park ranger within the Galapagos National Park Directorate. “Don Fausto” was the primary caretaker of endangered tortoises in captivity, one of the first to explore tortoise habitat throughout the archipelago, and was well known for his work ethic, commitment to tortoise conservation, and collegiality. Several tortoise lineages in Galapagos remain extant in large part due to Don Fausto’s dedication, ingenuity, and patience. 
References
  • Kwet, A. 2015. Neu beschrieben, vom Aussterben bedroht: die Galápagos-Riesenschildkröten von Cerro Fatal. Terraria-Elaphe 2016 (1): 48-49 - get paper here
  • Poulakakis N, Edwards DL, Chiari Y, Garrick RC, Russello MA, Benavides E, et al. 2015. Description of a New Galapagos Giant Tortoise Species (Chelonoidis; Testudines: Testudinidae) from Cerro Fatal on Santa Cruz Island. PLoS One 10 (10): e0138779. doi:10.1371/journal.pone.0138779 - get paper here
  • TTWG; Anders G.J. Rhodin, John B. iverson, Roger Bour, Uwe Fritz, Arthur GeoRges, H. BRadley Shaffer, and Peter Paul van Dijk 2017. Turtles of the World: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status (8th Ed.). In: Rhodin, A.G.J., Iverson, J.B., van Dijk, P.P., Saumure, R.A., Buhlmann, K.A., Pritchard, P.C.H., and Mittermeier, R.A. (Ed Chelonian Research Monographs 7:1–292. doi: 10.3854/crm.7.checklist.atlas.v8.2017 - get paper here
 
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http://reptile-database.reptarium.cz/species?genus=Chelonoidis&species=donfaustoi

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