MolluscaBase taxon details
Sactorthoceras makkolense (Kobayashi, 1928) †
1732085 (urn:lsid:marinespecies.org:taxname:1732085)
accepted
Species
Cycloceras taihakuense Kobayashi, 1934 † · unaccepted > junior subjective synonym
Kawasakiceras densistriatum Kobayashi, 1934 † · unaccepted > junior subjective synonym
Orthoceras makkolense Kobayashi, 1928 † · unaccepted > superseded combination
Sactorthoceras gonioseptum Kobayashi, 1934 † · unaccepted > junior subjective synonym
Sactorthoceras shimamurai Kobayashi, 1934 † · unaccepted > junior subjective synonym
Sigmorthoceras sigmoidale Kobayashi, 1934 † · unaccepted > junior subjective synonym
marine, brackish, fresh, terrestrial
fossil only
(of Orthoceras makkolense Kobayashi, 1928 †) Kobayashi, T. (1928). Ordovician fossils from Corea and South Manchuria. <em>Japanese Journal of Geology and Geography.</em> 5(4): 173-212 ["1927"].
page(s): 181, pl. 18, fig. 5; pl. 19, fig. 2a-c [details]
page(s): 181, pl. 18, fig. 5; pl. 19, fig. 2a-c [details]
Note Makkol, Sandon-myon, Neietsu Prefecture,...
Type locality Makkol, Sandon-myon, Neietsu Prefecture, Kogen-do, Corea [South Korea] [details]
MolluscaBase eds. (2025). MolluscaBase. Sactorthoceras makkolense (Kobayashi, 1928) †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1732085 on 2025-09-11
The webpage text is licensed under a Creative Commons
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original description
(of Orthoceras makkolense Kobayashi, 1928 †) Kobayashi, T. (1928). Ordovician fossils from Corea and South Manchuria. <em>Japanese Journal of Geology and Geography.</em> 5(4): 173-212 ["1927"].
page(s): 181, pl. 18, fig. 5; pl. 19, fig. 2a-c [details]
original description (of Sigmorthoceras sigmoidale Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 414, pl. 21, fig. 1-3 [details] Available for editors
[request]
original description (of Sactorthoceras gonioseptum Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 411, pl. 16, fig. 6, pl. 18, figs. 1-3, pl. 20, fig. 9 [details] Available for editors
[request]
original description (of Sactorthoceras shimamurai Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 408, pl. 19, figs. 1-3 [details] Available for editors
[request]
original description (of Kawasakiceras densistriatum Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 397, pl. 14, figs. 6, 7 [details] Available for editors
[request]
original description (of Cycloceras taihakuense Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 420, pl. 22, figs. 1, 2 [details] Available for editors
[request]
basis of record Yun C.-S. (1999). Three Ordovician cephalopods from the Jigunsan Formation of Korea. <em>Paleontological Research.</em> 3(2): 65-80.
page(s): 72, figs. 3 (4a-b), 5 (1-6), 6 (1-4) [details] Available for editors
[request]
page(s): 181, pl. 18, fig. 5; pl. 19, fig. 2a-c [details]
original description (of Sigmorthoceras sigmoidale Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 414, pl. 21, fig. 1-3 [details] Available for editors

original description (of Sactorthoceras gonioseptum Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 411, pl. 16, fig. 6, pl. 18, figs. 1-3, pl. 20, fig. 9 [details] Available for editors

original description (of Sactorthoceras shimamurai Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 408, pl. 19, figs. 1-3 [details] Available for editors

original description (of Kawasakiceras densistriatum Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 397, pl. 14, figs. 6, 7 [details] Available for editors

original description (of Cycloceras taihakuense Kobayashi, 1934 †) Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part I. Middle Ordovician faunas. <em>Journal of the Faculty of Sciences, Imperial University of Tokyo, Section II.</em> 3(8): 329-519.
page(s): 420, pl. 22, figs. 1, 2 [details] Available for editors

basis of record Yun C.-S. (1999). Three Ordovician cephalopods from the Jigunsan Formation of Korea. <em>Paleontological Research.</em> 3(2): 65-80.
page(s): 72, figs. 3 (4a-b), 5 (1-6), 6 (1-4) [details] Available for editors





From editor or global species database
Type locality Makkol, Sandon-myon, Neietsu Prefecture, Kogen-do, Corea [South Korea] [details]