Lower Ordovician (Arenig) faunas from the Williston Basin, Montana and North Dakota

C. Lochman

1966

Article

Journal of Paleontology 40(3):512-548

Find it at:

Taxa discussed in this work:

• Benthamaspis obrepta
• Macluritella ornata
• Oculomagnus
• Reubenella rex

Taxonomy:

• Reubenella rex belongs to Reubenella - Lochman (1966)
• Nanorthis putilla belongs to Nanorthis - Lochman (1966)