Freshwater Gastropods of North America

Editor’s Note – This essay was subsequently published as: Dillon, R.T., Jr. (2023c)  The Mystery Snail Color Genetics Project.  Pp 63 – 74 i...

Editor’s Notes – This essay is the second half of a two part series on the systematics of the pleurocerid genus Leptoxis .  We recommend tha...

Editor’s Note – This essay was subsequently published as: Dillon, R.T., Jr. (2023b)  Growing Up With Periwinkles.  Pp 89 – 99 in The Freshw...

Editor’s Note – This essay was subsequently published as: Dillon, R.T., Jr. (2023c)  Malacological Mysteries: What Was Planorbis glabratus? ...