Axis calamianensis (Heude, 1888) . Mem. Hist. Nat. Emp. Chin., 2:49.
TYPE LOCALITY: Philippines, Calamian Isis, Culion Isl .
DISTRIBUTION: Philippines, Calamian Isis.
STATUS: CITES - Appendix I; U.S. ESA - Endangered; IUCN - Vulnerable.
SYNONYMS: culionensis.
COMMENTS: Included in A. porcinus by Haltenorth (1963), but treated as a full species by Groves and Grubb (1987).