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Cyrtoceras is an
extinct genus of
oncoceridan nautiloids that
lived from the
middle Ordovician to the
middle Devonian, in Africa, Europe,
North America...
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elegans Blume, 1849
Centrostemma micranthum Blume, 1849
Cyrtoceras elegans (Blume) Miq., 1857
Cyrtoceras micranthum (Decne.) Miq., 1857\ Hoya
elegans (Blume)...
- (1915), nom. illeg.
Clemensiella Schltr. (1915)
Codonanthus H****k. (1842)
Cyrtoceras Benn. (1838)
Cystidianthus H****k. (1843)
Eriostemma (Schltr.) Kloppenb...
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straight (i.e.,
orthoconic as in
Orthoceras and Rayonnoceras),
curved (as in
Cyrtoceras)
coiled (as in Cenoceras), or
rarely a
helical coil (as in Lorieroceras)...
-
Lophosia Meigen, 1824 Type
species Lophosia fasciata Meigen, 1824
Synonyms Cyrtocera Ag****iz, 1846
Duvaucelia Robineau-Desvoidy, 1830
Eocypterula Townsend...
- P T J K Pg N
Possible descendant taxon Nautilida survives to
present Cyrtoceras, a
member of the
order Oncocerida Scientific classification Domain: Eukaryota...
- Kiselev, 1995 Dzik, J.; Kiselev, G. N. (1995), "The
Baltic nautiloids Cyrtoceras ellipti****
Lossen 1860, C. pris****
Eichwald 1861, and
Orthoceras damesi...
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catenulatus Columnaria galtensis Obolus sp.
Orikoceras sp.
Orthoceras darwini Cyrtoceras arcticameratum C.
Jonesi Phragmoceras hector Calymene blumenbachii Diphyphyllum...
-
Society 623:1-81 J. Dzik and G. N. Kiselev. 1995. The
Baltic nautiloids Cyrtoceras ellipti****
Lossen 1860, C. pris****
Eichwald 1861, and
Orthoceras damesi...
- †Cyclospira †Cyclostomiceras †Cyclostomiceras c****inense †Cyperites †
Cyrtoceras †
Cyrtoceras vallandinghami Contents A B C D E F G H I J K L M N O P Q R S T...
