Hapchazzard Posted May 25, 2020 Share Posted May 25, 2020 Age is Miocene-Pliocene. Bryozoan is an immediate thought, but I'm pretty sure that they're quite rare post Paleozoic, and this kind of encrustation is very common in the locality where the specimen was found. Here is a picture: Bonus thanks if anyone knows with some certainty what the bivalve itself might be from the photo, though I doubt it. Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted May 25, 2020 Share Posted May 25, 2020 Yes, I see a bryozoan epibiont in the lower fold on the right. 4 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
DPS Ammonite Posted May 25, 2020 Share Posted May 25, 2020 The fossil looks like a very large pecten or scallop. 3 My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
Peat Burns Posted May 25, 2020 Share Posted May 25, 2020 Holes in bivalve likely clionid sponge borings 3 Link to comment Share on other sites More sharing options...
Hapchazzard Posted May 26, 2020 Author Share Posted May 26, 2020 Thank you, everyone that replied! It answered pretty much all of my questions! Yeah, I was also curious about the borings in the bivalve, considering I've seen the exact same borings in modern day shells on the beach, too, and wondered what made them as well. Always assumed it was made by those tiny bivalves that also burrow into rocks. I've got my answer for that now, too. 1 Link to comment Share on other sites More sharing options...
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