Cancrinella sp
Derbyia hooserensis
Hustedia meekana
Hustedia mormoni
Hustedia radialis
Juresina nebrascensis
Marginifera rastoni
Meekella striocostata
Neochonetes granulifer
Neospirifer cóndor
Paranorella imperialis
Productus gratiosus
Retzia radialis
Rhynchonella timorensis
Spirifer cristata
Wellerella cooperi
Wellerella delicata