The Early Carboniferous ammonoid Dombarites taishakuensis sp. nov. is described from the Dangyokei Formation, which is the lowermost formation of the Taishaku Limestone in the Akiyoshi Belt, Southwest Japan. This is the first described ammonoid from the Taishaku Limestone and the first record of the genus Dombarites from the Panthalassa region. The age of D. taishakuensis is probably early Serpukhovian based on the ages of morphologically similar species of Dombarites.
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31 January 2013
Early Carboniferous Ammonoid Dombarites from the Taishaku Limestone, Akiyoshi Belt, Southwest Japan
Masayuki Ehiro,
Isao Nishikawa,
Osamu Nishikawa
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Paleontological Research
Vol. 16 • No. 4
January 2013
Vol. 16 • No. 4
January 2013
Akiyoshi Belt
Carboniferous ammonoid
Dombarites
Panthalassa
Serpukhovian
Taishaku Limestone