Scientific results of explorations by the U. S. Fish Commission steamer No, X, —On certain Mesozoic fossils from the Islands of St. Paul's and St. Peter's, in the Straits of MagellanDOI: info:10.5479/si.00963801.13-793.13v. 13No. 79313–14, 2 pls.
White, Charles A. 1890. "Scientific results of explorations by the U. S. Fish Commission steamer Albatross. No, X, —On certain Mesozoic fossils from the Islands of St. Paul's and St. Peter's, in the Straits of Magellan." Proceedings of the United States National Museum, 13, (793) 13–14, 2 pls.. https://doi.org/10.5479/si.00963801.13-793.13.