hrguy54 Posted April 18, 2014 Share Posted April 18, 2014 (edited) Was visiting a quarry in NW Ohio two weeks ago, and came across this gastropod. It's about 2" X 1.5" Had to do some research to identify it. Saw that not too many Platyceras dumosums have been discussed/presented on TFF. It's completely pyritized. Inside and out Here's a drawing of how they're thought to have looked Another view It also has some non-pyritized bryozoans (I think?) attached to the coil. How does this occur? Edited April 18, 2014 by hrguy54 2 Link to post Share on other sites
Auspex Posted April 18, 2014 Share Posted April 18, 2014 This is a great example! They look like something from the home planet of the Clingons I would guess that the snail's shell is chemically different from the bryozoan's structure, with the latter unlikely to pyritize. Link to post Share on other sites
Fossildude19 Posted April 18, 2014 Share Posted April 18, 2014 Wow! Have not heard of or seen this before! Thanks for posting it - great fossil. Regards, Link to post Share on other sites
mikeymig Posted April 18, 2014 Share Posted April 18, 2014 Nice find! Heres one I found not long ago here in NY. mikey 1 Link to post Share on other sites
hrguy54 Posted April 23, 2014 Author Share Posted April 23, 2014 While prepping more pieces I came across another. 1 Link to post Share on other sites
lissa318 Posted April 23, 2014 Share Posted April 23, 2014 Nice finds! Congrats! The bryozoan being on the first one is very cool. Link to post Share on other sites
Fossildude19 Posted April 23, 2014 Share Posted April 23, 2014 Great Golden Gastropods! Nice! Thanks for posting them. Regards, Link to post Share on other sites
erose Posted April 25, 2014 Share Posted April 25, 2014 Excellent specimen. I have a NY specimen myself, but it is only a partial and not nearly so pretty. Link to post Share on other sites
hrguy54 Posted April 2, 2021 Author Share Posted April 2, 2021 (edited) I just completed prepping another of the pyrite Platyceras. Came from the same area as the others but was found in the last few years and has been sitting, waiting to be prepped. It's a bit bigger than a golf ball, as are the previous two. Edited April 2, 2021 by hrguy54 4 Link to post Share on other sites
Misha Posted April 2, 2021 Share Posted April 2, 2021 Wow! I have never seen this topic, Platyceratids are super cool but these ones are just incredible! Link to post Share on other sites
Fossildude19 Posted April 3, 2021 Share Posted April 3, 2021 Another great find! Link to post Share on other sites
Ludwigia Posted April 3, 2021 Share Posted April 3, 2021 Very nice finds!! Link to post Share on other sites
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