Freshwater Gastropods of North America

Editor’s Note – This essay was subsequently published as: Dillon, R.T., Jr. (2023b)  What is Melania edgariana?  Pp. 73 - 79 in The Freshwa...

Editor’s Notes – This the eighth essay in a seemingly-endless series on phenotypic variety and taxonomic confusion in the pleurocerids of th...

Editor’s Notes – After a couple months of digression into other topics, today we return to phenotypic variety and taxonomic chaos in the ple...

I heard  a lot of nice comments about my online presentation to the Charleston Natural History Society Wednesday evening.  Several of you ...

Here’s your chance to see history in the making!  This evening at 6:30 PM (EDT) yours truly will offer the first-ever online presentation ...

Editor’s Notes – This is the second of a two-part series on an enigmatic hydrobiid with a last known address in northern Arkansas.  You real...