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Traits source details
Tanaka, K. 1984. Some Cretaceous Echinoids from Japan. Bulletin of the Geological Survey of Japan 35, 189-202.
176125
Tanaka, K.
1984
Some Cretaceous Echinoids from Japan
Bulletin of the Geological Survey of Japan
35: 189-202
Publication
Date action by
Hemiaster (Mecaster) mikasaensis Tanaka, 1984b † (original description)
Pseudananchys tumida Tanaka, 1984b † (original description) Pygurus (Pygurus) posteroexpansus Tanaka, 1984b † (original description) Toxaster priscus Tanaka, 1984b † (original description) Trochotiara kiiensis Tanaka, 1984b † (original description) |