Author: KImura, T., & Sekido, S., 1975.:
Title: Nilssoniacladus n. gen. (Nilssoniaceae, n. fam.), newly found from the early Lower Cretaceous of Japan.
Description: Palaeontogr., Abt. B, 153(1-3): pp. 111-118, photos on 2 pls., 1 fig., refs. 4to. Plain new wrs.

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