Olgerts L. Karklins

1924

• Bryozoan fauna of the upper Clays Ferry, Kope, and lower Fairview Formations (Edenian, Upper Ordovician) at Moffett Road, northern Kentucky
• Bryozoans from the Murfreesboro and Pierce Limestones (early Black Riveran, Middle Ordovician), Stones River Group, of central Tennessee
• Chesterian (Late Mississippian) Bryozoans from the upper Chainman Shale and the lowermost Ely Limestone of western Utah
• Ptilodictyoid cryptostomata bryozoa from the middle and upper Ordovician rocks of central Kentucky
• The cryptostome Bryozoa from the Middle Ordovician Decorah Shale, Minnesota
• Trepostome and cystoporate bryozoans from the Lexington limestone and the Clays Ferry formation (Middle and Upper Ordovician) of Kentucky