Title
The Genera Epitonium (Part II), Depressiscala, Cyclindriscala, Nystiella and Solutiscala in the Western Atlantic
By
Clench, William James, 1897-1984
Turner, Ruth Dixon
Original Publication
Johnsonia
Published by
Cambridge, Mass, Dept. of Mollusks, Museum of Comparative Zoölogy, Harvard University, 1941-