MolluscaBase taxon details
Ellesmeroceratidae Kobayashi, 1934 †
1740758 (urn:lsid:marinespecies.org:taxname:1740758)
accepted
Family
Beekmanoceratidae Ulrich, Foerste & A. K. Miller, 1943 † · unaccepted > junior subjective synonym
Diphragmidae Hyatt, 1900 † · unaccepted > nomen nudum
Oneotoceratidae Dzik, 1984 † · unaccepted > junior subjective synonym
Robsonoceratidae Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 † · unaccepted > junior subjective synonym
Ruthenoceratidae Korde, 1949 † · unaccepted > junior subjective synonym
Stemtonoceratidae Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 † · unaccepted > junior subjective synonym
- Genus Albertoceras Ulrich & Foerste, 1936 †
- Genus Anguloceras Unklesbay & R. S. Young, 1956 †
- Genus Anhuiceras X.-P. Zou & T.-E. Chen, 1979 †
- Genus Annoceras Flower, 1964 †
- Genus Barnesoceras Flower, 1964 †
- Genus Beekmanoceras Ulrich & Foerste, 1936 †
- Genus Boreoceras A. K. Miller & Youngquist, 1947 †
- Genus Bridgeoceras Ulrich, Foerste & A. K. Miller, 1943 †
- Genus Buehleroceras Ulrich, Foerste & A. K. Miller, 1943 †
- Genus Burenoceras Ulrich & Foerste, 1931 †
- Genus Caseoceras Ulrich, Foerste & A. K. Miller, 1943 †
- Genus Chabactoceras Malinovskaya, 1964 †
- Genus Changjiangoceras G.-H. Xu & C.-G. Lai, 1983 †
- Genus Chepuloceras Unklesbay & R. S. Young, 1956 †
- Genus Clarkoceras Ruedemann, 1905 †
- Genus Clelandoceras Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 †
- Genus Conocerina Ulrich & Foerste, 1936 †
- Genus Copiceras Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 †
- Genus Cumberloceras Ulrich, Foerste & A. K. Miller, 1943 †
- Genus Dakeoceras Ulrich & Foerste, 1931 †
- Genus Dayongoceras C.-G. Lai & D.-L. Qi, 1977 †
- Genus Dongshanoceras X.-P. Zou & T.-E. Chen, 1979 †
- Genus Eburoceras X.-P. Zou & T.-E. Chen, 1979 †
- Genus Ectenoceras Ulrich & Foerste, 1936 †
- Genus Ectenolites Ulrich & Foerste, 1936 †
- Genus Ellesmeroceras Foerste, 1921 †
- Genus Ellesmeroceroides G.-H. Xu & C.-G. Lai, 1983 †
- Genus Eoclarkoceras J.-Y. Chen & D.-L. Qi, 1979 †
- Genus Eoectenolites J.-Y. Chen & D.-L. Qi, 1979 †
- Genus Eremoceras Hyatt, 1884 †
- Genus Gyrolevisoceras C.-G. Lai, 1984 †
- Genus Keraiaceras Flower, 1964 †
- Genus Laishuiceras J.-Y. Chen & X.-P. Zou, 1980 †
- Genus Levisoceras Foerste, 1925 †
- Genus Llanoceras Flower, 1964 †
- Genus Meikeloceras Flower, 1971 †
- Genus Muriceras Flower, 1964 †
- Genus Neoeburoceras G.-H. Xu & C.-G. Lai, 1983 †
- Genus Oelandoceras Foerste, 1932 †
- Genus Oneotoceras Ulrich, 1926 †
- Genus Paraconocerina G.-H. Xu & C.-G. Lai, 1983 †
- Genus Paradakeoceras Flower, 1964 †
- Genus Paraeburoceras G.-H. Xu & C.-G. Lai, 1987 †
- Genus Parahuaiheceras G.-H. Xu & C.-G. Lai, 1983 †
- Genus Pengzeceras J.-Y. Chen, 1983 †
- Genus Pseudendoceras T.-E. Chen & X.-P Zou, 1979 †
- Genus Pseudoectenolites G.-H. Xu & C.-G. Lai, 1983 †
- Genus Purmamarcoceras Cecioni, 1965 †
- Genus Qiushugouceras J.-Y. Chen & Teichert, 1983 †
- Genus Quebecoceras Foerste, 1925 †
- Genus Robsonoceras Ulrich & Foerste, 1936 †
- Genus Ruthenoceras Korde, 1949 †
- Genus Sinolebetoceras J.-Y. Chen & D.-L. Qi, 1979 †
- Genus Smithvilloceras Ulrich, Foerste & A. K. Miller, 1943 †
- Genus Stemtonoceras Ulrich & Foerste, 1936 †
- Genus Taihangshanoceras J.-Y. Chen & X.-P. Zou, 1980 †
- Genus Tanycameroceras J.-Y. Chen & D.-L. Qi, 1979 †
- Genus Walcottoceras Ulrich & Foerste, 1936 †
- Genus Woosteroceras Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 †
- Genus Xiadongoceras G.-H. Xu & C.-G. Lai, 1983 †
- Genus Zhongnanoceras G.-H. Xu & C.-G. Lai, 1983 †
- Genus Shantungendoceras Y.-C. Sun, 1937 † (uncertain > nomen dubium)
- Genus Angaroceras Korde, 1949 † accepted as Ruthenoceras Korde, 1949 † (unaccepted > junior subjective synonym)
- Genus Clarkeoceras Ruedemann, 1905 † accepted as Clarkoceras Ruedemann, 1905 † (unaccepted > unjustified emendation, no etymology given in original description)
- Genus Diphragmoceras Hyatt, 1900 † (unaccepted > nomen nudum, type species is a nomen nudum)
- Genus Dresseroceras Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 † accepted as Bridgeoceras Ulrich, Foerste & A. K. Miller, 1943 † (unaccepted > junior subjective synonym)
- Genus Ectenoceras Kobayashi, 1933 † accepted as Ectenoceras Ulrich & Foerste, 1936 † (type species is a nomen nudum)
- Genus Tamdoceras Malinovskaya, 1964 † accepted as Ectenolites Ulrich & Foerste, 1936 † (unaccepted > junior subjective synonym)
marine, brackish, fresh, terrestrial
fossil only
Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part II. Lower Ordovician faunas. <em>Journal of the Faculty of Sciences of the Imperial University of Tokyo, Section II, Geology, Mineralogy, Geography, Seismology.</em> 3(9): 521-585, pls. 1-8. [details] Available for editors
[request]
MolluscaBase eds. (2025). MolluscaBase. Ellesmeroceratidae Kobayashi, 1934 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1740758 on 2026-07-12
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original description
Kobayashi, T. (1934). The Cambro-Ordovician formations and faunas of South Chosen. Palaeontology. Part II. Lower Ordovician faunas. <em>Journal of the Faculty of Sciences of the Imperial University of Tokyo, Section II, Geology, Mineralogy, Geography, Seismology.</em> 3(9): 521-585, pls. 1-8. [details] Available for editors
[request]
original description (of Stemtonoceratidae Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 †) Ulrich, E. O.; Foerste, A. F.; Miller, A. K.; Unklesbay, A. G. (1944). Ozarkian and Canadian Cephalopods: Part III: Longicones and Summary. <em>Geological Society of America Special Papers.</em> 59: 1-226., available online at https://doi.org/10.1130/spe58
page(s): 29 [details] Available for editors
[request]
original description (of Robsonoceratidae Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 †) Ulrich, E. O.; Foerste, A. F.; Miller, A. K.; Unklesbay, A. G. (1944). Ozarkian and Canadian Cephalopods: Part III: Longicones and Summary. <em>Geological Society of America Special Papers.</em> 59: 1-226., available online at https://doi.org/10.1130/spe58
page(s): 73 [details] Available for editors
[request]
original description (of Ruthenoceratidae Korde, 1949 †) Korde, K. B. (1949). Nautiloidei verkhnego kembriya Angary [Nautiliods from the Cambrian of Angara]. <em>Doklady Akademii Nauk SSSR.</em> 69(5): 671-673.
page(s): 672 [details] Available for editors
[request]
original description (of Oneotoceratidae Dzik, 1984 †) Dzik J. (1984). Phylogeny of the Nautiloidea. <em>Palaeontologia Polonica.</em> 45: 1–203.
page(s): 23 [details] Available for editors
[request]
original description (of Beekmanoceratidae Ulrich, Foerste & A. K. Miller, 1943 †) Ulrich, E. O., Foerste, A. F.; Miller, A. K. (1943). Ozarkian and Canadian cephalopods. Part II, Brevicones. <em>Geological Society of America Special Papers.</em> 49: 1-240., available online at https://doi.org/10.1130/spe49-p1
page(s): 155 [details] Available for editors
[request]
original description (of Diphragmidae Hyatt, 1900 †) Hyatt, A. (1900). Cephalopoda. In: Zittel, K. A. V.; Eastman, C. R. (Eds). <em>Text-book of paleontology by Karl A. von Zittel [translated from German to English and edited by C. R. Eastman]. Vol. 1.</em> pp. 502-604. Macmillan, London., available online at https://www.biodiversitylibrary.org/page/17392244
page(s): 595 [details]
basis of record Flower, R. H. (1964). The nautiloid order Ellesmeroceratida (Cephalopoda). <em>State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir.</em> 12: 1-234., available online at https://geoinfo.nmt.edu/publications/monographs/memoirs/downloads/12/Memoir-12.pdf [details]
original description (of Stemtonoceratidae Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 †) Ulrich, E. O.; Foerste, A. F.; Miller, A. K.; Unklesbay, A. G. (1944). Ozarkian and Canadian Cephalopods: Part III: Longicones and Summary. <em>Geological Society of America Special Papers.</em> 59: 1-226., available online at https://doi.org/10.1130/spe58
page(s): 29 [details] Available for editors
original description (of Robsonoceratidae Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 †) Ulrich, E. O.; Foerste, A. F.; Miller, A. K.; Unklesbay, A. G. (1944). Ozarkian and Canadian Cephalopods: Part III: Longicones and Summary. <em>Geological Society of America Special Papers.</em> 59: 1-226., available online at https://doi.org/10.1130/spe58
page(s): 73 [details] Available for editors
original description (of Ruthenoceratidae Korde, 1949 †) Korde, K. B. (1949). Nautiloidei verkhnego kembriya Angary [Nautiliods from the Cambrian of Angara]. <em>Doklady Akademii Nauk SSSR.</em> 69(5): 671-673.
page(s): 672 [details] Available for editors
original description (of Oneotoceratidae Dzik, 1984 †) Dzik J. (1984). Phylogeny of the Nautiloidea. <em>Palaeontologia Polonica.</em> 45: 1–203.
page(s): 23 [details] Available for editors
original description (of Beekmanoceratidae Ulrich, Foerste & A. K. Miller, 1943 †) Ulrich, E. O., Foerste, A. F.; Miller, A. K. (1943). Ozarkian and Canadian cephalopods. Part II, Brevicones. <em>Geological Society of America Special Papers.</em> 49: 1-240., available online at https://doi.org/10.1130/spe49-p1
page(s): 155 [details] Available for editors
original description (of Diphragmidae Hyatt, 1900 †) Hyatt, A. (1900). Cephalopoda. In: Zittel, K. A. V.; Eastman, C. R. (Eds). <em>Text-book of paleontology by Karl A. von Zittel [translated from German to English and edited by C. R. Eastman]. Vol. 1.</em> pp. 502-604. Macmillan, London., available online at https://www.biodiversitylibrary.org/page/17392244
page(s): 595 [details]
basis of record Flower, R. H. (1964). The nautiloid order Ellesmeroceratida (Cephalopoda). <em>State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir.</em> 12: 1-234., available online at https://geoinfo.nmt.edu/publications/monographs/memoirs/downloads/12/Memoir-12.pdf [details]