-
Korojon Formation Australia A
member of the
family Onychocellidae.
Orbignyella moyerokanensis Sp. nov
Valid Koromyslova &
Dronov Ordovician (Katian)...
-
Illinois and
Adjacent Parts of Iowa and Wisconsin. Part III. Homotrypa,
Orbignyella, Prasopora, Monticulipora, and Cyphotrypa".
Journal of Paleontology....
-
Illinois and
Adjacent Parts of Iowa and Wisconsin. Part III. Homotrypa,
Orbignyella, Prasopora, Monticulipora, and Cyphotrypa".
Journal of Paleontology....
-
Illinois and
Adjacent Parts of Iowa and Wisconsin. Part III. Homotrypa,
Orbignyella, Prasopora, Monticulipora, and Cyphotrypa".
Journal of Paleontology....
-
Illinois and
Adjacent Parts of Iowa and Wisconsin. Part III. Homotrypa,
Orbignyella, Prasopora, Monticulipora, and Cyphotrypa".
Journal of Paleontology....
-
Omalosecosa Oncousoecia Onychocella Onychocellaria Opisthornithopora Orbignyella Orbignyopora Orbipora Orbitulipora Orectodictya Orthopora Osburnostylus...
- †Orbiculoidea
cellulosa †
Orbignyella †
Orbignyella multitabulata †
Orbignyella nodosa †
Orbignyella sublamellosa †
Orbignyella wetherbyi †Orthambonites †Orthoceras...
- †Orbiculoidea
truncata †Orbiculoidea
vanuxemi – or
unidentified comparable form †
Orbignyella †Ordogeisonoceras †Ordogeisonoceras
amplicameratum †Ormoceras †Ormoceras...
- type
locality for
species †Orbiculoidea †Orbiculoidea
eximia †
Orbignyella †
Orbignyella sublamellosa †Orobias †Orobias
ciscoensis †Oromycter – type locality...
- †Opikina
matutina – type
locality for
species †Opikina
varia †Orbiculoidea †
Orbignyella †Orthambonites †Orthambonites
divaricatus †Orthoceras †Orthoceras multicameratum...
