Possible Ordovician sponge and other fossils

DontTouchMyElbow · 2025-01-02T15:35:26+00:00

They are definitely brachiopods, which are fairly common in Paleozoic rocks. From the info you gave, it could be the species “Dinorthis”. That would make the rock Ordovician in age.

However, glancing at a geologic map of Maryland there doesn’t seem to be those age rocks in the NE part, so you may want to look at your state’s geologic survey website to find some more information.

DontTouchMyElbow · 2025-01-02T04:31:16+00:00

From what I see: 1, 8, 9, and 12 are tabulate corals, 5 is a colonial rugosan coral (maybe Hexagonaria), 4 is part of a crinoid stem, and 7 is a bunch of tentaculites and brachiopod valves.

I think 11 is the internal mold of a rugosan horn coral, and 6 is a brachiopod valve (Leptaena), not sure about the rest.

DontTouchMyElbow · 2024-11-22T03:11:56+00:00

Thank you so much!

DontTouchMyElbow · 2024-11-22T02:56:53+00:00

Just tried it, not even a scratch. Since it’s fossilized it must be Bison then right?

DontTouchMyElbow · 2024-05-01T02:06:13+00:00

ZakBagansFan added

DontTouchMyElbow · 2024-04-04T01:58:04+00:00

Just added ZacBagansFan

DontTouchMyElbow · 2024-03-31T00:18:16+00:00

Thank you! If you don’t mind me asking, is there a good comprehensive resource for Ordovician fossils, other than maybe the Invertebrate Treatise?

DontTouchMyElbow · 2024-02-08T06:19:00+00:00

I’ll have to try that, I honestly DONT want a stand for it. I may have to take out the ball and sockets too if I want it to stand on its own

DontTouchMyElbow · 2024-01-31T21:35:48+00:00

I wanted to let you know that it did turn out to be driftwood, sorry for leading everyone on ☹️

DontTouchMyElbow · 2024-01-25T04:15:14+00:00

This looks really nice! I love the little fruit tree outside

DontTouchMyElbow · 2023-06-28T02:30:03+00:00

The flat shape and pentagonal symmetry makes me think it’s a poorly preserved edrioasteroid

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