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Santa Fe Island tortoise
Conservation status
Extinct
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Superfamily:	Testudinoidea
Family:	Testudinidae
Genus:	Chelonoidis
Species:	C. niger
Subspecies:	†C. n. ssp.
Trinomial name
†Chelonoidis niger ssp.
Map of the Galápagos Islands showing locations of different tortoise species.

The Santa Fe Island tortoise (Chelonoidis niger ssp.), also known as the Santa Fe tortoise or Santa Fe giant tortoise, is an undescribed extinct taxon of Galápagos tortoise endemic to Santa Fe Island in the Galápagos archipelago in the equatorial eastern Pacific Ocean. Evidence for the historic existence of the tortoise comes from 19th century anecdotes of whalers and settlers removing tortoises from the island, as well as the discovery of tortoise bones there by the 1905–1906 California Academy of Sciences expedition, with genetic examination of the bones indicating that they belonged to a unique taxon most closely related to Chelonoidis niger hoodensis, the Hood Island giant tortoise from Española Island (formerly known as Hood Island).

Ecological restoration

Following a decision made at an international workshop on giant tortoises in 2012, a program was initiated to reestablish a tortoise population on Santa Fe, after more than 150 years without one, using the Hood Island subspecies as an ecological analogue, or substitute for the Santa Fe subspecies. Between 2015 and 2021 the Santa Fe Tortoise Project successfully introduced some 700 juvenile and 31 subadult Hood Island tortoises to Santa Fe to complete the third phase of the ecological restoration program for the island.

References

1. ^ "Santa Fé". The Galapagos Islands. Galapagos Conservancy. Retrieved 17 July 2021.
2. "Final Phase of the Santa Fe Tortoise Repopulation Process Complete". The Galapagos Islands. Galapagos Conservancy. 2 March 2021. Retrieved 17 July 2021.

v t e Tortoise family
Kingdom: Animalia Phylum: Chordata Class: Reptilia Subclass: Anapsida Order: Testudines Suborder: Cryptodira Superfamily: Testudinoidea Family: Testudinidae
Genera	Species of the tortoise family
Agrionemys	Russian tortoise
Aldabrachelys	Aldabra giant tortoise (subspecies: A. g. arnoldi †A. g. daudinii A. g. hololissa) †Aldabrachelys abrupta †Aldabrachelys grandidieri
Astrochelys	Angonoka tortoise Radiated tortoise †Astrochelys rogerbouri
Centrochelys	African spurred tortoise †Centrochelys atlantica †Centrochelys burchardi †Centrochelys vulcanica
Chelonoidis	Chaco tortoise Red-footed tortoise Yellow-footed tortoise †Chelonoidis alburyorum †Chelonoidis cubensis †Chelonoidis lutzae †Chelonoidis monensis †Chelonoidis sellovii †Chelonoidis sombrerensis
Galápagos tortoise Chelonoidis complex	Cerro Azul giant tortoise Chatham Island giant tortoise Eastern Santa Cruz tortoise Fernandina Island tortoise †Floreana Island tortoise Hood Island giant tortoise (Diego) Santa Fe Island tortoise †Pinta Island tortoise †(Lonesome George) Santiago Island giant tortoise Pinzón Island giant tortoise Sierra Negra giant tortoise Volcán Alcedo giant tortoise Volcán Darwin giant tortoise Volcán Wolf giant tortoise Western Santa Cruz tortoise
†Cheirogaster	†Cheirogaster bacharidisi †Cheirogaster gymnesica †Cheirogaster schafferi
Chersina	Angulate tortoise
Chersobius	Nama padloper Karoo padloper Speckled padloper
†Cylindraspis	†Domed Mauritius giant tortoise †Domed Rodrigues giant tortoise †Réunion giant tortoise †Saddle-backed Mauritius giant tortoise †Saddle-backed Rodrigues giant tortoise
Geochelone	Burmese star tortoise Indian star tortoise
Gopherus	Bolson tortoise Desert tortoise Goode's thornscrub tortoise Gopher tortoise Sonoran Desert tortoise Texas tortoise
†Hadrianus	†Hadrianus corsoni †Hadrianus majusculus †Hadrianus octonaria †Hadrianus robustus †Hadrianus schucherti †Hadrianus utahensis †Hadrianus vialovi
†Hesperotestudo	†Hesperotestudo percrassa
Homopus	Common padloper Greater padloper
Indotestudo	Elongated tortoise Forsten's tortoise Travancore tortoise
Kinixys	Bell's hinge-back tortoise Forest hinge-back tortoise Home's hinge-back tortoise Lobatse hinge-back tortoise Natal hinge-back tortoise Speke's hinge-back tortoise
Malacochersus	Pancake tortoise
Manouria	Asian forest tortoise Impressed tortoise
†Megalochelys	†Megalochelys atlas †Megalochelys cautleyi †Megalochelys margae †Megalochelys sondaari
Psammobates	Geometric tortoise Serrated tortoise Tent tortoise
Pyxis	Flat-backed spider tortoise Spider tortoise
Stigmochelys	Leopard tortoise
†Stylemys	†Stylemys botti †Stylemys calaverensis †Stylemys canetotiana †Stylemys capax †Stylemys conspecta †Stylemys copei †Stylemys emiliae †Stylemys frizaciana †Stylemys karakolensis †Stylemys nebrascensis †Stylemys neglectus †Stylemys oregonensis †Stylemys pygmea †Stylemys uintensis †Stylemys undabuna
Testudo	Hermann's tortoise Kleinmann's tortoise Marginated tortoise Spur-thighed tortoise †Testudo brevitesta
Phylogenetic arrangement of turtles based on turtles of the world 2017 update: Annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status. Key: †=extinct.

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• Chelonoidis
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• Turtles of South America
• Endemic reptiles of the Galápagos Islands
• Reptiles of Ecuador
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