Mortensen, T. 1927b. Contributions to the Biology of the Philippine Archipelago and adjacent regions. Report on the Echinoidea collected by the United States fisheries streamer "Albatross" during the Philippine Expedition, 1907-1910. Part I. The Cidaridae, Bulletin / United States National Museum -- 100, v. 6, pt. 4
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Mortensen, T.
1927
Contributions to the Biology of the Philippine Archipelago and adjacent regions. Report on the Echinoidea collected by the United States fisheries streamer "Albatross" during the Philippine Expedition, 1907-1910
Part I. The Cidaridae, Bulletin / United States National Museum