Cleiothyridina is an extinct genus of brachiopods. †Cleiothyridina accola (Reed 1944) †Cleiothyridina acutomarginalis (Waagen 1883) †Cleiothyridina ailakensis...

ornatus †Cladodus †Cleiothyridina †Cleiothyridina atrypoides †Cleiothyridina ciriacksi – type locality for species †Cleiothyridina coloradoensis – or...

†Cladochonus †Cladochonus beecheri †Cladochonus crassus †Cleiothyridina †Cleiothyridina hirsuta †Cleiothyridina sublamellosa †Climacograptus †Coenites †Composita...

beecheri †Cladochonus crassus †Cladochonus longi †Cleiothyridina †Cleiothyridina hirsuta †Cleiothyridina sublamellosa †Clorinda – tentative report †Coenites...

Comelicania megalotis A. peracuta = Janiceps peracuta A. royssii = Cleiothyridina royssii A. umbonata = Hindella umbonata Composition: low Mg calcite...

†Clarkoceras †Cleiothyridina †Cleiothyridina mulsa †Cleiothyridina nana †Cleiothyridina pilularis †Cleiothyridina rara †Cleiothyridina rectimarginata...

species †Cleiothyridina †Cleiothyridina atrypoides †Cleiothyridina elegans – or unidentified related form †Cleiothyridina hirsuta †Cleiothyridina sublamellosa...

†Caninia †Cardiograptus †Chancia †Chonetes †Chonetes logani †Cleiothyridina †Cleiothyridina sublamellosa †Climacograptus †Climacograptus bicornis †Climacograptus...

multicosta †Chonetes ornatus †Cleiothyridina †Cleiothyridina incrassata – or unidentified comparable form †Cleiothyridina sublamellosa †Climacograptus...

†Clavallus spicaudina †Cleiothyridina †Cleiothyridina atrypoides †Cleiothyridina ciriacksi – type locality for species †Cleiothyridina coloradoensis – or...

†Chonetes mesoloba †Chonetes ornatus †Clarkoceras †Cleiothyridina †Cleiothyridina incrassata †Cleiothyridina orbicularis †Cliftonia †Coenocystis †Composita...

†Cincinnetina †Cincinnetina meeki †Cladochonus †Cladochonus crassus †Cleiothyridina †Columnaria †Columnaria alveolata †Conocardium †Constellaria †Coolinia...

†Christiania †Cladochonus †Cladospongia – type locality for genus †Cleiothyridina †Cleiothyridina sublamellosa – or unidentified related form †Climacograptus...

†Cleidophorus delawarensis †Cleiothyridina †Cleiothyridina mulsa †Cleiothyridina nana †Cleiothyridina pilularis †Cleiothyridina prouti – or unidentified...

†Clavagnostus †Clavagnostus repandus †Cleiothyridina †Cleiothyridina type locality for species A – informal †Cleiothyridina type locality for species B – informal...

†Caninia – tentative report †Chonetes †Chonetes oklahomensis †Cleiothyridina †Cleiothyridina orbicularis †Composita †Composita humilis †Composita laevis...

†Cleiocrinus †Cleiocrinus regius †Cleiothyridina †Cleiothyridina crassicardinalis – or unidentified related form †Cleiothyridina glenparkensis – or unidentified...

nov Valid Torres-Martínez et al. Permian Paso Hondo Formation  Mexico Cleiothyridina pfaffenbergensis Sp. nov Valid Mottequin et al. Carboniferous (Tournaisian)...

meeki †Cincinnetina multisecta †Clarkoceras – tentative report †Cleiothyridina †Cleiothyridina sublamellosa – or unidentified comparable form †Climacograptus...

gloriosa †Cleiothyridina †Cleiothyridina hirsuta †Cleiothyridina obmaxima †Cleiothyridina parvirostra †Cleiothyridina pravirostra †Cleiothyridina sublamellosa...

†Cladochonus †Cladodus †Cleiothyridina †Cleiothyridina ciriacksi †Cleiothyridina deroissyi †Cleiothyridina elegans †Cleiothyridina orbicularis †Climacograptus...

locality for species †Clavaspidella †Clavaspidella kanabensis †Cleiothyridina †Cleiothyridina orbicularis †Cliothyridina †Cliothyridina sublamellosa †Cloithyridina...

†Bistrialites †Branneroceras †Cancelloceras †Cavusgnathus †Cheirurus †Chonetes †Cleiothyridina †Composita †Cornuproetus †Cravenoceras †Cypricardinia – tentative report...

species †Cleiothryidina †Cleiothyridina †Cleiothyridina miettensis †Cleiothyridina obmaxima †Cleiothyridina sublamellosa †Cleiothyridina tenuilineata †Cleiothyridinia...

†Chancelloria †Chancia †Chonetes †Cincinnetina †Cincinnetina multisecta †Cleiothyridina †Climacograptus †Coccosteus †Coelacanthus †Composita †Composita subtilita...

†Ceraurus †Cheirurus †Chonetes †Chonetes ornatus †Cleiothyridina †Cleiothyridina atrypoides †Cleiothyridina sublamellosa †Clepsydrops – type locality for...

†Chonetes †Chonetes illinoisensis †Chonetes mesoloba †Cleiothyridina †Cleiothyridina hirsuta †Cleiothyridina pilularis †Collemataria †Composita †Composita affinis...

species †Cleiocrinus regius †Cleiothyridina †Cleiothyridina glenparkensis – or unidentified comparable form †Cleiothyridina orbicularis †Cleithronetrum...

Anthracospirifer Antiquatonia Beecheria Cleiothyridina Composita Desmoinesia Echinaria Hustedia Krotovia Leptagonia Linoproductus Neochonetes Phricodothyris...

tentative report †Claudeonychia byrnesi †Cleionychia †Cleiothyridina †Cleiothyridina hirsuta †Cleiothyridina sublamellosa †Clepsydropsis †Clepsydropsis bertrandi...