Navychief Posted November 30, 2020 Share Posted November 30, 2020 These are obviously from the same family. Are they the same? B looks fairly recent. Confused. Any suggestions Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted November 30, 2020 Share Posted November 30, 2020 Yes, I think they're the same species. Can't remember the genus right now, but i should know! 1 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
jhw Posted November 30, 2020 Share Posted November 30, 2020 Murex family I'd say. But couldn't get much more specific than that. 1 Link to comment Share on other sites More sharing options...
Navychief Posted November 30, 2020 Author Share Posted November 30, 2020 I looked it up on MikeR site. Maybe Chicoreus floridanus. (A in the photo) But what has me confused is that its extinct. But what I found on the beach (B in the photo) looked current 1 Link to comment Share on other sites More sharing options...
Thomas.Dodson Posted November 30, 2020 Share Posted November 30, 2020 I don't have any experience with the genus but Chicoreus florifer dilectus is extant. That said, B doesn't look like it is outside the possibility of being a fossil. Pliocene/Pleistocene/ shells often look completely recent. Paging @MikeR 1 Link to comment Share on other sites More sharing options...
LabRatKing Posted November 30, 2020 Share Posted November 30, 2020 Hey there shipmate! Welcome aboard! Looks like Chicoreus sp. to me. Specimen B shows quite a bit of wear and bleaching. Given the location it could be a fossil that has benn rolling around in the surf, or a closely related extant species. I have quite a few such fossils, that one would swear are modern and vice versa. Florida is good for that sort of thing. ~Ret. FC~ 1 Link to comment Share on other sites More sharing options...
Navychief Posted November 30, 2020 Author Share Posted November 30, 2020 I have walked this beach for over 30 years and never found anything like that one. Thanks for the reply GO NAVY !! Link to comment Share on other sites More sharing options...
MikeR Posted December 5, 2020 Share Posted December 5, 2020 Were both of these found on the beach or just B? I pretty much agree with what everyone else is saying. A looks like fossil Chicoreus floridanus while B is recent Chicoreus dilectus. Mike 3 "A problem solved is a problem caused"--Karl Pilkington "I was dead for millions of years before I was born and it never inconvenienced me a bit." -- Mark Twain Link to comment Share on other sites More sharing options...
Navychief Posted December 5, 2020 Author Share Posted December 5, 2020 Yes sir found B on the beach and I dug up A. Could you tell me what the difference is between the two? Thanks Mike Link to comment Share on other sites More sharing options...
ClearLake Posted December 12, 2020 Share Posted December 12, 2020 Here is a snippet from E. Vokes (1965) where she defined Chicoreus floridanus which explains the difference. I'll let you look at your two specimens and see if you can spot the differences. If you prefer, you can find the entire article online at the Tulane Studies website: https://journals.tulane.edu/tsgp/issue/view/33 and read all the gory details for yourself. Link to comment Share on other sites More sharing options...
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