Plant or bird.

[Stormyrock]

 

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[Kray Gelder]

I think it is a marine fossil. Without better detail, crinoid, or coral maybe. I see you found a chert nodule, a marine deposit also.

 

[Emil W]

I'm not sure it's a fossil at all. Appears to be a naturally eroded rock, with the softer parts worn away leaving some harder, more durable, veins of material raised. I'm interested to see what others think it is.

 

[Older The Better]

I’d say either crinoid/coral, or just a trace fossil of a burrow of some creature, the pictures are just. Bit grainy