Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Order: Testudines
Suborder: Cryptodira
Superfamily: Testudinoidea
Family: Testudinidae
Genus: Aldabrachelys
Loveridge and Williams, 1957[1]
  • Megalochelys Fitzinger, 1843
  • Dipsochelys, Bour, 1982

Aldabrachelys[1] is the recognised genus for the Seychelles and Madagascan radiations of giant tortoises, including the Aldabra giant tortoise (Aldabrachelys gigantea).


This name is problematic in that the type specimen is actually a Chelonoidis denticulata;[2] however, this is being discussed and petitioned before the ICZN.[3]


A. g. arnoldi – Arnold's giant tortoise
A. g. daudinii – Daudin's giant tortoise (extinct)
A. g. gigantea – Aldabra giant tortoise
A. g. hololissa – Seychelles giant tortoise

Tortoise remains from over 1000 years ago, which have been found on the Comoros, are believed to have been from unknown species of the same genus.[4]


  1. 1 2 Loveridge, A., and E. E. Williams. 1957. Revision of the African tortoises and turtles of the suborder Cryptodira. Bull. Mus. Comp. Zool. Harvard 115: 163-557.
  2. Bour, R. 2006. Identity of Testudo gigantea Schweigger, 1812 and rediscovery of the type specimen. Emys, 13(4): 12–23.
  3. Frazer, J., 2009. Testudo gigantea Schweigger, 1812 (currently Geochelone (Aldabrachelys) gigantea; Reptilia, Testudines): proposed conservation of usage of the specific name by maintenance of a designated neotype, and suppression of Testudo dussumieri Gray, 1831 (currently Dipsochelys dussumieri) BZN 66(1):Case:3463
  4. J. Gerlach & K.L. Canning. 2000. Evolution and History of the Giant Tortoises of the Aldabra Island Group. Phelsumania
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