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Discovery of Turbo ( Marmarostoma ) matsuzakiensis Tomida and Kadota with an in situ Operculum from the Middle Miocene Yugashima Group of Izu Peninsula, Central Japan

2015; Volume: 19; Issue: 4 Linguagem: Inglês

10.2517/2015pr012

1880-0068

Susumu Tomida, Eisaku Hosoda,

Paleontology and Stratigraphy of Fossils

Turbo (Marmarostoma) matsuzakiensis Tomida and Kadota with an in situ operculum was found in limestone within the tuffaceous sandstone of the middle Miocene Yugashima Group, at Shikura, Shizuoka Prefecture, Japan. The presence of an operculum on T. (M.) matsuzakiensis Tomida and Kadota is confirmed and described in this paper, and demonstrates the autochthonous occurrence of the fossil.