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1990 |
A new Miocene gastropod species co-occurred with Paleoparadoxia specimens from the Yanagawa Formation, Fukushima Prefecture, northeast Honshu, Japan.
Saito Ho-on Kai Mus. Nat. Hist. Res. Bull. No. 58: 25-30. 1 tab. 1 fig. 1 pl. Dec. 25, 1990.
–Concludes that the Middle Miocene environment of deposition was near a shallow tidal or lagoonal area in a subtropical climate (minimum winter temperature about 15° C). See also Suzuki et al. (1986a, b).
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