Freshwater Gastropods of North America

Editor’s Notes: The essay that follows is the third in a three-part series on the systematics and taxonomy of viviparid gastropods.  I’d rec...

Editor’s Note – This essay was subsequently published as: Dillon, R.T., Jr. (2023c)  Bill and Ruth and Jack and Virginia, and Campeloma.  Pp...

Editor’s Note – This essay was subsequently published as: Dillon, R.T., Jr. (2023c)  A gene tree for the worldwide Viviparidae.  Pp 75 – 84 ...

Editor’s Note – This essay was subsequently published as: Dillon, R.T., Jr. (2023c)  The Emperor, the Non-child, and the Not-short Duct.  Pp...