MolluscaBase taxon details
Ectenolites pergracilis (Ulrich, Foerste & A. K. Miller, 1943) †
1865718 (urn:lsid:marinespecies.org:taxname:1865718)
accepted
Species
Ectenoceras pergracile Ulrich, Foerste & A. K. Miller, 1943 † · unaccepted > superseded combination
Ectenoceras pergracilis Kobayashi, 1933 † · unaccepted > nomen nudum
marine, brackish, fresh, terrestrial
fossil only
(of Ectenoceras pergracile 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): 124, pl. 57, figs 12-17; pl. 58, fig. 5 [details] Available for editors
[request]
page(s): 124, pl. 57, figs 12-17; pl. 58, fig. 5 [details] Available for editors
[request]
Type locality contained in Texas
type locality contained in Texas [from synonym] [view taxon] [details]
MolluscaBase eds. (2026). MolluscaBase. Ectenolites pergracilis (Ulrich, Foerste & A. K. Miller, 1943) †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1865718 on 2026-08-27
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The webpage text is licensed under a Creative Commons
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original description
(of Ectenoceras pergracilis Kobayashi, 1933 †) Kobayashi T. (1933). Faunal study of the Wanwanian (basal Ordovician) series with special notes on the Ribeiridae and the Ellesmereoceroids. <em>Journal of the Faculty of Science Imperial University of Tokyo Section II Geology, Mineralogy, Geography, Seismology.</em> 3(7): 249-328.
page(s): 320 [details]
original description (of Ectenoceras pergracile 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): 124, pl. 57, figs 12-17; pl. 58, fig. 5 [details] Available for editors [request]
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
page(s): 53 [details]
page(s): 320 [details]
original description (of Ectenoceras pergracile 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): 124, pl. 57, figs 12-17; pl. 58, fig. 5 [details] Available for editors
[request]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
page(s): 53 [details]
Present Inaccurate Introduced: alien Containing type locality
