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In one of the Christmas auctions I received a bountiful supply of fossils from @minnbuckeye from the Tamiami Formation (Late Pliocene) of Florida. There were well over 100 nicely identified bivalves and gastropods (with a few other odds and ends in there for fun). Mike was nice enough to include a couple of items that were not identified, just so I would have something to do. This one I would like to get confirmation of my ID and if anyone knows the species, that would be great. I don't have many detailed references for that formation, and the lists I have seen never get that specific. I know @MikeR is very familiar with this material, but there are some others out there that probably know as well. Thanks for any help you can offer. In the two pictures, it is item A that I am talking about. I believe it to be a Longchaeus sp? The two shells labeled B are other Pyramidellidae that I have for comparison. You can see they are very similar except the item in question has the strong plications on the columella which the Pyramidella do not. The yellow bar on the side in 1 cm. I found an paper (Landau, Bernard & Lafollette, Patrick. (2015). The Pyramidellidae (Mollusca: Gastropoda) from the Miocene Cantaure Formation of Venezuela. Cainozoic Research. 15. 13-54. ) that shows a specimen I think looks very similar (which led me to the genus) but it is from Venezuela and I'm not sure whether the species there and in Florida are linked at all. Both are Longchaeus suturalis Thanks again for your help.