Grandisonia sechellensis (Boulenger, 1911)

Class: Amphibia > Order: Gymnophiona > Family: Grandisoniidae > Genus: Grandisonia > Species: Grandisonia sechellensis

Dermophis sechellensis Boulenger, 1911, Trans. Linn. Soc. London, Ser. 2, 14: 376. Syntypes: Originally 10 specimens, including BMNH 1946.1.23.5 (formerly 1910.3.18.80), 1946. (formerly 1910.3.18.75-79), 1946.9.5.44 (formerly 1907.10.15.51), 1946.9.5.45 (formerly 1910.3.18.74) from Mahé; BMNH 1946.9.5.49 (formerly 1907.10.15.152) from Silhouette; BMNH 1946.9.5.31 (formerly 1910.3.18.83) from Praslin, according to Taylor, 1968, Caecilians of the World: 762. Type localities: "Mahé: Cascade.. .; W. side of Mt. Seychellois, 1200 ft.", "Silhouette: Mare aux Cochons, 1400 ft.", and "Praslin", Seychelles.

Dermophis flaviventer Ahl, 1926, Zool. Anz., 67: 192. Holotype: ZMB, no registration number provided in the original publication; given as ZMB 29988 by Bauer, Good, and Günther, 1993, Mitt. Zool. Mus. Berlin, 69: 287. Type locality: "Seychellen". Synonymy by Parker, 1941, Ann. Mag. Nat. Hist., Ser. 11, 7: 4.

Grandisonia sechellensisTaylor, 1968, Caecilians of the World: 762.

Grandisonia diminutiva Taylor, 1968, Caecilians of the World: 757. Holotype: MCZ 48928, by original designation. Type locality: "Praslin Island, Seychelles". Noted as "invalid" by Nussbaum and Wilkinson, 1989, Herpetol. Monogr., 3: 35; formal synonymy by Wilkinson and Nussbaum, 2006, In Exbrayat (ed.), Reprod. Biol. Phylog. Gymnophiona: 39-78.

Hypogeophis sechellensis — Dubois, Ohler, and Pyron, 2021, Megataxa, 5: 269, 407.  

English Names

Seychelles Caecilian (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 24).

Praslin Caecilian (Grandisonia diminutive [no longer recognized]: Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 24).


Three islands in the Seychelles (Mahé, Praslin, Silhouette), Indian Ocean.

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