MolluscaBase taxon details
Rhenocycloceras randolphense (Worthen, 1882) †
1874725 (urn:lsid:marinespecies.org:taxname:1874725)
accepted
Species
Cycloceras randolphensis (Worthen, 1882) † · unaccepted > superseded combination
Orthoceras annulocostatum F. B. Meek & Worthen, 1861 † · unaccepted > junior homonym (preoccuppied according to Worthen...)
preoccuppied according to Worthen (1882), but senior homonym not stated; Orthoceras randolphensis Worthen, 1882 is a replacement name
Orthoceras randolphensis Worthen, 1882 † · unaccepted > superseded combination
marine, brackish, fresh, terrestrial
fossil only
(of Orthoceras randolphensis Worthen, 1882 †) Worthen, A. H. (1882). Corrections and proposed new names for species described in the Geological Reports of Illinois under names that were preoccupied; and descriptions of two new species of fossil shells from the measures of Illinois and Kansas. <em>Bulletin of the Illinois State Museum of Natural History.</em> 1: 38-40., available online at https://www.biodiversitylibrary.org/page/8570893
page(s): 38 [details]
page(s): 38 [details]
Type locality contained in Illinois
type locality contained in Illinois [from synonym] [view taxon] [details]
MolluscaBase eds. (2026). MolluscaBase. Rhenocycloceras randolphense (Worthen, 1882) †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1874725 on 2026-05-08
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original description
(of Orthoceras annulocostatum F. B. Meek & Worthen, 1861 †) Meek, F. B.; Worthen, A. H. (1861). Description of new Paleozoic fossils from Illinois and Iowa. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 13: 128-148., available online at https://www.biodiversitylibrary.org/page/1683257
page(s): 147 [details]
original description (of Orthoceras randolphensis Worthen, 1882 †) Worthen, A. H. (1882). Corrections and proposed new names for species described in the Geological Reports of Illinois under names that were preoccupied; and descriptions of two new species of fossil shells from the measures of Illinois and Kansas. <em>Bulletin of the Illinois State Museum of Natural History.</em> 1: 38-40., available online at https://www.biodiversitylibrary.org/page/8570893
page(s): 38 [details]
basis of record Korn, D.; Aubrechtová, M. (2026). New annulate Carboniferous orthoconic and cyrtoconic cephalopods of the family Brachycycloceratidae Furnish, Glenister & Hartman, 1962. <em>European Journal of Taxonomy.</em> 1048: 1-39., available online at https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/3231
page(s): 7 [details] Available for editors
[request]
page(s): 147 [details]
original description (of Orthoceras randolphensis Worthen, 1882 †) Worthen, A. H. (1882). Corrections and proposed new names for species described in the Geological Reports of Illinois under names that were preoccupied; and descriptions of two new species of fossil shells from the measures of Illinois and Kansas. <em>Bulletin of the Illinois State Museum of Natural History.</em> 1: 38-40., available online at https://www.biodiversitylibrary.org/page/8570893
page(s): 38 [details]
basis of record Korn, D.; Aubrechtová, M. (2026). New annulate Carboniferous orthoconic and cyrtoconic cephalopods of the family Brachycycloceratidae Furnish, Glenister & Hartman, 1962. <em>European Journal of Taxonomy.</em> 1048: 1-39., available online at https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/3231
page(s): 7 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
