lobe is generally nearly symmetrical, becoming attenuated on mature specimens. Gastrioceras in Fossilworks Gateway Gastrioceras in Goniat Online v t e...

Gastrioceras, Gastrioceras (Branneroceras), but Gastrioceras is included in the Gastrioceratidae. The type species for Branneroceras is Gastrioceras branneri...

scotti Cyclocerid Dentoceras D. belemnitiforme Eumorphoceras E. plummeri Gastrioceras G. adaense G. fittsi Girtyoceras G. limatum Glaphyrites G. oblatus G...

miseri Diaboloceras D. neumeieri Euloxoceras Gaitherites G. morrowensis Gastrioceras G. adaense G. araium G. attenuatum G. branneri G. fittsi Glaphyrites...

species, Quinnites henbesti and Quinnites textum, both removed from Gastrioceras (Branneroceras). Quinnites in Fossilworks Quinnites in Gonait on Line...

ozarkana Juresania Linoproductus Schizophoria S. altirostris Spirifer Gastrioceras G. adaense Glaphyrites G. globosus G. morrowensis G. oblatus Mooreoceras...

the base of the Westphalian regional stage, as defined by the ammonoid Gastrioceras subcrenatum. The base of the Langsettian (and the Westphalian as a whole)...

†Gastrioceratidae Ruzhencev & Bogoslovskaya 1975 Genera Agastrioceras Cancelloceras Chaerogastrioceras Gastrioceras Monitoceras Owenoceras Quinnites Trettinoceras...

R S T U V W X Y Z †Gastrioceras – report made of unidentified related form or using admittedly obsolete nomenclature †Gastrioceras williamsi †Genalaticurus...

locality for species †Gastrioceras – report made of unidentified related form or using admittedly obsolete nomenclature †Gastrioceras williamsi – type locality...

eastwards beneath Billinge Hill. The full Namurian sequence hereabouts is: Gastrioceras subcrenatum marine band mudstone Six Inch Mine (coal seam) mudstone Sand...

†Favosites radiciformis †Fenestella †Fletcheria – tentative report †Fusulina †Gastrioceras †Geragnostus †Gervillia †Girvanella †Gomphoceras †Goniatites †Grewingkia...

Garantiana Gargasiceras Garniericeras Garnierisphinctes Garroniceras Gastrioceras Gastroplites Gattendorfia Gattenpleura Gaudryceras Gaurites Gauthiericeras...

Cephalopod occurrence in the Park City Formation, namely Stacheoceras, Gastrioceras, Goniatites, and Waagenoceras, further supports its age being the latest...

heisselii †Garwoodia †Gastrioceras †Gastrioceras adaense †Gastrioceras fittsi †Gastrioceras prone – type locality for species †Gastrioceras retiferum – type...

†Fenestella exigua †Foerstia †Fragiscutum †Frencrinuroides †Fusulina †Gastrioceras †Girvanella †Glaphurochiton †Glyptopleura †Gnathodus †Gnathorhiza †Goniatites...

†Edmondia †Ehmaniella †Elrathia †Elrathina †Euomphalus †Fenestella †Gastrioceras – report made of unidentified related form or using admittedly obsolete...

M N O P Q R S T U V W X Y Z †Galtiera †Galtiera bostonensis †Gastrioceras †Gastrioceras magoffinense – type locality for species †Gaulocrinus †Gaulocrinus...

†Fenestella †Flexicalymene †Flexicalymene meeki †Foerstia †Forbesiocrinus †Gastrioceras †Gilbertsocrinus †Glossina †Glyptocrinus †Glyptopleura †Gnathodus †Goniatites...

fossils including the big Calamites, a horsetail-type, and the little Gastrioceras, a kind of ammonite. There are also fossils of Lepidodendron, Stigmaria...

W X Y Z †Garwoodia – tentative report †Gastrioceras †Gastrioceras adaense †Gastrioceras fittsi †Gastrioceras formosum – type locality for species Gastrochaenolites...

†Eophacops †Eospirifer †Eowellerites †Eucalyptocrinites †Euomphalus †Gastrioceras Gastrochaenolites †Girvanella †Glyptambon – type locality for genus †Glyptopleura...

T U V W X Y Z †Gasconadia †Gasconadia putilla †Gastrioceras †Gastrioceras montgomeryense †Gastrioceras occidentale †Geinitzina †Genevievella †Genevievella...

†Drepanophycus †Earlandia †Edmondia †Endoceras †Euomphalus †Favosites †Gastrioceras – report made of unidentified related form or using admittedly obsolete...

(2020). "The succession of the mid-Bashkirian ammonoids Cancelloceras and Gastrioceras in North China". Palaeoworld. 30 (1): 72–94. doi:10.1016/j.palwor.2020...

unidentified related form or using admittedly obsolete nomenclature †Gastrioceras †Geinitzina †Genevievella †Geragnostus †Gerobatrachus – type locality...

W X Y Z †Gasterocoma – tentative report †Gasterocoma bicauli †Gastrioceras †Gastrioceras nolinense – or unidentified related form †Gelidorthis †Gelidorthis...

1860). Gastrioceras magoffinense Sp. nov Valid Work, Mason & Boardman Pennsylvanian Four Corners Formation  United States A species of Gastrioceras. Goudemandites...