Leopoldamys siporanus (Thomas, 1895) . Ann. Mus. Civ. Stor. Nat. Genova, 34:11.

TYPE LOCALITY: Indonesia, Kepulauan Mentawai, Pulau Sipora .

DISTRIBUTION: Endemic to Mentawai Archipelago; islands of Siberut, Sipora, North Pagai, and South Pagai.

SYNONYMS: soccatus .

COMMENTS: L. siporanus joins Maxomys pagensis, Chiropodomys karlkoopmani, Rattus lugens, Iomys sipora, Hylopetes sipora, Petinomys lugens, Callosciurus melanogaster, Sundasciurus fraterculus, and Lariscus obscurus as part of the rodent fauna endemic to the Mentawi Archipelago.