Tales From the Shale Posted July 11, 2022 Share Posted July 11, 2022 Some of the blastoids I picked up while in Michigan awhile back. I'm not sure of their identities, however I imagine it wouldn't be hard with some effort. 3 Link to comment Share on other sites More sharing options...
connorp Posted July 11, 2022 Share Posted July 11, 2022 Nice. Are these from the Alpena area? Link to comment Share on other sites More sharing options...
Tales From the Shale Posted July 11, 2022 Author Share Posted July 11, 2022 Yes, all from Alpena, in two different sites. Link to comment Share on other sites More sharing options...
FossilNerd Posted July 19, 2022 Share Posted July 19, 2022 Nice! I am rather fond of blastoids, as you can tell from my Avatar picture. 1 The good thing about science is that it's true whether or not you believe in it. -Neil deGrasse Tyson Everyone you will ever meet knows something you don't. -Bill Nye (The Science Guy) Link to comment Share on other sites More sharing options...
crinus Posted July 21, 2022 Share Posted July 21, 2022 The two big one are Placoblastus obovatus. The other three are Heteroschisma subtrunctatum The single one is a Hyperoblastus sp. I can't tell the species from the pics. Joe 2 Link to comment Share on other sites More sharing options...
Tales From the Shale Posted July 21, 2022 Author Share Posted July 21, 2022 2 hours ago, crinus said: The two big one are Placoblastus obovatus. The other three are Heteroschisma subtrunctatum The single one is a Hyperoblastus sp. I can't tell the species from the pics. Joe Thank you, I figured out the smaller ones might have been Heteroschisma, but was lost on some of the larger ones, as they don't look like any others I've found. Link to comment Share on other sites More sharing options...
crinus Posted July 21, 2022 Share Posted July 21, 2022 FYI. There is current work in progress that will make Placoblastus obsolete. It will become Nucleocrinus. Sometimes I have difficulty with both both genera from Alpena. Both are found there and sometime small Placoblastus look like Nucleocrinus. Yours are a bit weather worn so I assigned them to Placoblastus simply because of the size. Link to comment Share on other sites More sharing options...
crinus Posted July 21, 2022 Share Posted July 21, 2022 You mentioned that you found them at two different sites. Is one of the Heteroschisma from the other site. It looks a bit different and may be a different species. Obviously most of the material is from PP. What is the other site? Joe Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted September 2, 2022 Share Posted September 2, 2022 Very nice. Love those little Heteroschisma in particular. Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
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