msomma12 Posted November 16, 2019 Share Posted November 16, 2019 Two species from the Yorktown Formation along the James River in Virginia that I cannot identify. One a coral (if not genus name, family?) and the other what I presume to be part of a bivalve. Both are very common yet I cannot find them in any references. Any help would be appreciated. Thanks. 1 Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted November 16, 2019 Share Posted November 16, 2019 Hello. The one on the left looks like a sponge to me. Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
caldigger Posted November 16, 2019 Share Posted November 16, 2019 23 minutes ago, Tidgy's Dad said: Hello. The one on the left looks like a sponge to me. Agreed For the shell fragments, I came up with Atlantic Ribbed Mussels. How do these compare? Link to comment Share on other sites More sharing options...
sixgill pete Posted November 16, 2019 Share Posted November 16, 2019 I believe the left one is a bryzoan. We find very similar ones in the Yorktown here in North Carolina. As far as the bivalve pieces. I do not believe there is enough to make an accurate guess. 1 Bulldozers and dirt Bulldozers and dirt behind the trailer, my desert Them red clay piles are heaven on earth I get my rocks off, bulldozers and dirt Patterson Hood; Drive-By Truckers May 2016 May 2012 Aug 2013, May 2016, Apr 2020 Oct 2022 Link to comment Share on other sites More sharing options...
hemipristis Posted November 16, 2019 Share Posted November 16, 2019 5 hours ago, msomma12 said: Two species from the Yorktown Formation along the James River in Virginia that I cannot identify. One a coral (if not genus name, family?) and the other what I presume to be part of a bivalve. Both are very common yet I cannot find them in any references. Any help would be appreciated. Thanks. I offer the following: A species of cockle, Genus Isocardium (first two photos), or an arc, Genus Anadara (3rd photo). Drawings from the classic Lauck Ward publication Mollusca of the Miocene/Pliocene of VA & NC. It''s an excellent reference to have if one collects Neogene fossil shells 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
Al Dente Posted November 16, 2019 Share Posted November 16, 2019 7 hours ago, sixgill pete said: I believe the left one is a bryzoan. We find very similar ones in the Yorktown here in North Carolina. I agree. Link to comment Share on other sites More sharing options...
msomma12 Posted November 18, 2019 Author Share Posted November 18, 2019 Thanks everyone! Link to comment Share on other sites More sharing options...
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