. Bulletins of American paleontology. Japanese Cenozoic Naticids: Majima 11 currents. When the Kokozura Formation was depos- ited, the warm-water current might have slightly pre- dominated over the cold-water current (dashed line in Text-fig. ). Pliocene and Early Pleistocene A large number of naticids first appeared in Japan at this time, so that the total number of species in- creased from four to 26 (Text-fig. 7). This increase was evidently not due to changed distributions of warm- and cold-water masses because these were not mark- edly dilfcrent from those of the late Miocene (Text-fig
. Bulletins of American paleontology. Japanese Cenozoic Naticids: Majima 11 currents. When the Kokozura Formation was depos- ited, the warm-water current might have slightly pre- dominated over the cold-water current (dashed line in Text-fig. ). Pliocene and Early Pleistocene A large number of naticids first appeared in Japan at this time, so that the total number of species in- creased from four to 26 (Text-fig. 7). This increase was evidently not due to changed distributions of warm- and cold-water masses because these were not mark- edly dilfcrent from those of the late Miocene (Text-fig. ). Many warm-water naticids occur at this time in fau- nas from the Pacific side of southwestern Japan, as one element of the warm-water Kakegawa fauna. Among \Cernina fluctuata nakamurai ^ D Pachycrommium harrisi. Euspira meisensis Glossaulax didyma coticazae t^ y^Os^W Sinum ineptum ^, ^^ Cryptonatica janthostoma r^ < ^~^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]
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