dalmayshun Posted May 7, 2018 Share Posted May 7, 2018 For awhile now, I have been trying to pin down this scallop. I think it is an argopecten, possibly comparilis, or evergladesensis, but the images I can find on line of those, seem to show ribs that are rounded on top. These shells have very flat ribs, with a very slight indentation running down the center of each. The shells are offset a bit. I found them in the northern most edge of ochopee member of the Tamiami formation, along with euvola hemicyclica, and a really lovely little urchin test, the exact name of which I don't recall as I sit here typing. I have a collection of 30 different sizes I am trying to put together in a ryker box, but have not yet done so, because I just don't know the id...a friend suggested I check out dimarzipecten crocus....but that kind of obscure reference is wa-a-ay beyond me. I'd rather put to use someone's knowledge, if you know what it is, would you please take a moment and explain Why you i.d. it as you do. Much appreciated. 1 Link to comment Share on other sites More sharing options...
SailingAlongToo Posted May 7, 2018 Share Posted May 7, 2018 @MikeR Don't know much about history Don't know much biology Don't know much about science books......... Sam Cooke - (What A) Wonderful World Link to comment Share on other sites More sharing options...
Auspex Posted May 7, 2018 Share Posted May 7, 2018 It's a beauty. Sometimes the hinge construction helps IDs. Do you have one already shucked? "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
MikeR Posted May 8, 2018 Share Posted May 8, 2018 Argopecten comparilis (Tuomey & Holmes, 1857). LINK It can be quite variable from the very inflated form jacksonensis to almost flattened ribs evergladensis, however Thomas Waller of the Smithsonian synonymized all within A. comparilis in his 1969 Paleontological Society Memior. Mike 2 "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...
Tidgy's Dad Posted May 8, 2018 Share Posted May 8, 2018 That's a very beautiful scallop! Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
MikeR Posted May 8, 2018 Share Posted May 8, 2018 Definitely not Dimarzipecten crocus which is a Upper Oligocene/Lower Miocene species found in Florida and North Carolina. LINK Two Argopceten species are found in the Tamiami, A. comparilis and A. anteamplicostata. The latter has wider and fewer ribs than yours. Mike "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...
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