Crinoid?

by Gary Gugliada
(Queens NY)

Hi
I found this large rock in the 1950s as a child in Staten Island NY. It had a small imprint of a shell on the outside. I recognized it as a fossil and kept it. After all these years, my son hit it with a hammer and cracked off a piece. These are 2 photos of what was exposed. I researched a bit and they seem to be from the Crinoid group. What do you think. I have most of the rock intact
Thanks
Gary

Comments for Crinoid?

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Staten Island Marine Fossils
by: Doug

Hey Gary, Thanks for your submission. Yes you have some crinoid parts there but there is a lot fossils in that piece. The largest shell imprint is a brachiopod. There are bits and pieces that look like parts of marine animals.

Staten Island has several zones of geologic activity. Take a look at the webpage below and see if you can pinpoint the area that you found the specimen. That will help you define the age, and probable type of your rock.

http://academic.brooklyn.cuny.edu/geology/powell/NYCgeology/staten%20island/staten_island.htm

For more information about the time period you can go here:

https://www.fossils-facts-and-finds.com/geologic-time.html

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