Salvageon Posted August 31, 2015 Share Posted August 31, 2015 While hunting through some rocks on a hillside that contained baculite and ammonite pieces as well as lots of small snail concretions I came across many of these. They look kind of like trilobites but not quite. More like a small ray. This is in central Montana and I included a picture of the general rock for reference. Any ideas? Thanks. Please ignore the pill box in the background they keep an old guy going. 1 Link to comment Share on other sites More sharing options...
Auspex Posted August 31, 2015 Share Posted August 31, 2015 Huh...I'd like to know! "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...
ynot Posted August 31, 2015 Share Posted August 31, 2015 Fish scale? Tony Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
abyssunder Posted August 31, 2015 Share Posted August 31, 2015 Dermal plate? " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
jpc Posted August 31, 2015 Share Posted August 31, 2015 Maybe a plant remain. At most sites where I collect ammonites, an occasional plant fossil will show up. Link to comment Share on other sites More sharing options...
Ridgehiker Posted August 31, 2015 Share Posted August 31, 2015 I haven't seen that in our similar aged deposits. My first thought was a dermal plate, scute, scale, etc. Is this matrix the same as what you are finding the baculites in? If not, it sure resembles Devonian armoured fish plates but...just like trilobites, can't be if Cretaceous. Link to comment Share on other sites More sharing options...
Auspex Posted August 31, 2015 Share Posted August 31, 2015 Does this look like crushed aragonite to any one else? "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...
Salvageon Posted September 1, 2015 Author Share Posted September 1, 2015 (edited) Here are some more pictures. They are surface finds on a hillside so the layer is not exact just close. I included a picture of the back as it looks more like a sandstone or something. It does not look crystalline to me and the middle is slightly raised and seems of different texture. Edited September 1, 2015 by Salvageon Link to comment Share on other sites More sharing options...
ynot Posted September 1, 2015 Share Posted September 1, 2015 The rock looks like a volcanic ash, and if so it may be some part of a plant. If it is a sandstone I would stick with a scale of some sort. Tony Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
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