- †Orthonychia †Orthonychia coni**** †Orthopleura †Orthostrophia †Orthostrophia
fissistriata †Orthotetes †Orthotetes
kaskaskiensis †Orthotetes keo**** †Ortonella †Ortonella...
- †Pseudomonotis †Pseudomonotis
circularis †Pseudoplacunopsis †Pseudoplacunopsis
fissistriata – or
unidentified related form †Pseudosageceras †Pseudosageceras augustum...
