-
Cycloceras is an
extinct nautiloid cephalopod genus from the
Carboniferous of
Western Europe, (Ireland and Scotland) of
unknown affinity with the Orthocerida...
-
Curtoceras meyeri Sp. nov
Valid Aubrechtová & Korn
Ordovician Germany
Cycloceras ofunatoense Sp. nov
Valid Niko &
Ehiro Permian (Changhsingian) Toyoma...
- 1993 – China,
Taiwan C.
compressa (Keyserling, 1884) – Peru,
Brazil C.
cyclocera Zhu, 1998 –
China C.
dentaria Gao & Li, 2014 –
China C.
diplosticha Chamberlin...
- China,
Taiwan Chrysso compressa (Keyserling, 1884) — Peru,
Brazil Chrysso cyclocera Zhu, 1998 —
China Chrysso dentaria Gao & Li, 2014 —
China Chrysso diplosticha...
- (see
unidentified section)
Cravenoceras C.
hesperium C.
richardsonianum Cycloceras C.
randolphensis C.
equoyahensis Dolorthoceras (See
unidentified section)...
- †Cornulites †Crepicephalus †Crotalocrinites †Cyathocrinites –
tentative report †
Cycloceras †Cypricardinia †Dalmanites †Deiphon †Dendrograptus †Dicoelosia †****locephalus...
- or
using admittedly obsolete nomenclature †Curtognathus †Cybelopsis †
Cycloceras †Cyclonema †Cyclopteris †Cyphaspis †Cyrtograptus †Cystodictya †Cystodictya...
- – or
unidentified comparable form †Cordaites †Cordaites prin****lis †
Cycloceras †Cyclopteris †Cymatochiton –
tentative report †Cyrtospirifer †Cyrtospirifer...
-
Scharyia and Prionopeltis),
crustacean Ceratiocaris,
cephalopods (including
Cycloceras and Corbuloceras), ostracods, gastropods, crinoids,
conodonts and bivalves...
- †Cryptorthoceras †Ctenoceras †****berloceras †****ingsoceras †Curtoceras †
Cycloceras †Cyclolituites †Cyclopites †Cycloplectoceras †Cyclostomiceras †Cymatoceras...
