Foraminifera taxon details
Astacolus etigoensis Asano, 1938 †
902620 (urn:lsid:marinespecies.org:taxname:902620)
accepted
Species
marine, brackish, fresh, terrestrial
fossil only
Asano, K. (1938). Japanese fossil Nodosariidae, with notes on the Frondiculariidae. <em>Science Reports of Tohoku Imperial, ser. 2 (Geology).</em> 19(2):179-220., available online at http://hdl.handle.net/10097/30272 [details] Available for editors 
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Note Natsukawa - dani, 1 km E of Kabazaki, Kitajo -...
From editor or global species database
Type locality Natsukawa - dani, 1 km E of Kabazaki, Kitajo - mura, Kariha - gun (Kabazaki, Kitajo, Kashiwazaki City), Niigata Pref., Japan. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
Fossil range Age: Pliocene; Formation name: Natsukawa Formation
Type specimen Holotype: IGPS no. 21472. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025):...
Fossil range Age: Pliocene; Formation name: Natsukawa Formation [details]
Type specimen Holotype: IGPS no. 21472. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025):...
Type specimen Holotype: IGPS no. 21472. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Astacolus etigoensis Asano, 1938 †. Accessed at: https://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=902620 on 2026-08-17
Date
action
by
original description
Asano, K. (1938). Japanese fossil Nodosariidae, with notes on the Frondiculariidae. <em>Science Reports of Tohoku Imperial, ser. 2 (Geology).</em> 19(2):179-220., available online at http://hdl.handle.net/10097/30272 [details] Available for editors [request]
basis of record Ellis, B. F.; Messina, A. R. (1940-2015). Catalogue of Foraminifera. <em>Micropaleontology Press, American Museum of Natural History, New York.</em> [details]
[request]basis of record Ellis, B. F.; Messina, A. R. (1940-2015). Catalogue of Foraminifera. <em>Micropaleontology Press, American Museum of Natural History, New York.</em> [details]
From editor or global species database
Fossil range Age: Pliocene; Formation name: Natsukawa Formation [details]Type locality Natsukawa - dani, 1 km E of Kabazaki, Kitajo - mura, Kariha - gun (Kabazaki, Kitajo, Kashiwazaki City), Niigata Pref., Japan. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
Type specimen Holotype: IGPS no. 21472. Data compiled from Palaeontological Society of Japan and Geological Survey of Japan, AIST (2025): https://gbank.gsj.jp/FossilType/ [details]
