MolluscaBase name details
Orthoceras (Euorthoceras) rectum Worthen, 1875 †
1884300 (urn:lsid:marinespecies.org:taxname:1884300)
unaccepted > superseded combination
Species
- Variety Orthoceras (Euorthoceras) rectum var. junior Foerste, 1889 † accepted as Harrisoceras rectum var. junior Foerste, 1889 † (unaccepted > superseded combination)
- Variety Orthoceras (Euorthoceras) rectum var. junius Foerste, 1889 † accepted as Orthoceras (Euorthoceras) rectum var. junior Foerste, 1889 † accepted as Harrisoceras rectum var. junior Foerste, 1889 † (unaccepted > misspelling - incorrect subsequent spelling)
marine, brackish, fresh, terrestrial
fossil only
Not documented
MolluscaBase eds. (2026). MolluscaBase. Orthoceras (Euorthoceras) rectum Worthen, 1875 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1884300 on 2026-07-05
Date
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basis of record
Foerste, A. F. (1889). Notes on Clinton Group fossils, with special reference to collections from Indiana, Tennessee and Georgia. <em>Proceedings of the Boston Society of Natural History.</em> 34: 263-355.
page(s): 278 [details]
page(s): 278 [details]