- GeoRef, Copyright 2004, American Geological Institute. Reference includes data from Bibliography and Index of North American Geology, U. S. Geological Survey, Reston, VA, United States
The Archaeomonadaceae of the Calvert formation (Miocene) were studied morphologically and taxonomically. Two genera with 15 species, 4 of which are new, are described and illustrated. A history of the study of the group with a review of the existing genera is given.