Phan, Q. T., D. H. Lam, M. T. Tran, Q. V. Pham, and A. D. Nguyen. “Two New Earthworm Species of the Genus Metaphire Sims & Easton, 1972 (Annelida: Oligochaeta: Megascolecidae) from Highlands of Vietnam”. Zootaxa, vol. 5748, no. 1, Jan. 2026, pp. 101-12, doi:10.11646/zootaxa.5748.1.5.