Definition of Prionocyclus. Meaning of Prionocyclus. Synonyms of Prionocyclus

- ammonite Barroisiceras B. onilahyense An Collignoniceratidae ammonite Prionocyclus P. germari An Collignoniceratidae ammonite Subprionocyclus An Collignoniceratidae...
- Ammonite biozones Genus Species Date Error +/- Stage Prionocyclus hyatti 92.46 0.58 Middle Turonian Collignoniceras praecox - - Middle Turonian Collignoniceras...
- Preshumardites Presimoceras Pricella Prionites Prionoceras Prionocycloceras Prionocyclus Prionodoceras Proarcestes Proavites Probeloceras Procarnites Procerites...
- (Gryposaurus sp.) Stegoceras sp. Deinosuchus sp. Mortoniceras Brancoceras Prionocyclus Coilopoceras Acanthoceras Acompsoceras Romaniceras Mammites Pseudothurmannia...
- †Placenticeras pseudoplacenta Polinices †Polinices concinna †Prionocyclus †Prionocyclus novimexic**** †Protolamna †Protolamna gigantea – type locality...
- for species †Podozamites †Podozamites lanceolatus †Prionocyclus †Prionocyclus macombi †Prionocyclus novimexic**** †Prognathodon †Prognathodon overtoni...
- †Postosuchus kirkpatricki †Pravusuchus †Pravusuchus hortus †Prionocyclus †Prionocyclus hyatti †Prionocyclus percarinatus †Procolophonichnium †Prosalirus – type...
- †Prionochelys †Prionochelys galeotergum – type locality for species †Prionocyclus †Prionocyclus hyatti †Prisca – tentative report †Protocardia †Protocardia texana...
- Neocardioceras was proposed by Spath, 1926, for ammonites "resembling Prionocyclus M****, except for the Quenstedtoceras keel". Wright, 1957, subsequently...
- The formation spans the ammonite zones of Collignoniceras woollgari, Prionocyclus percarinatus, P. hyatti, and P. macombit, indicating that the formation...