Ichnofossil or Plant Material?

[Kane]

This was an oddity in my Dundee Formation material (Mid-Devonian) I decided to bring home out of curiousity. The material itself mostly contains white silicified fossils in sandy/packstone pulses with some grey crystalline chert horizons. The colouration of this piece, and its general shape, gave me pause as it seemed a bit out of place. Initially I thought, "possibly a fish bit?" (stout spinal process)? but the internal structure didn't strike me as likely. The specimen measures about 7 cm long. My second thought was possible plant material, but I am rubbish on plant identification in the Devonian. It could, of course, just be a geologic feature, too, but the very conspicuous shape makes me lean toward fossil.

[FossilDAWG]

I also would have thought fish bit.

 

Don

 

 

 

[Fossildude19]

Seems fishy, to me.  

[connorp]

I would have thought fish bit as well. @jdp

[Kane]

Thanks, gents! If it turns out to be placoderm, I think I really need to trust my first instincts much more.  

[Tetradium]

10 hours ago, Kane said:

Thanks, gents! If it turns out to be placoderm, I think I really need to trust my first instincts much more.  

That would had been one big fish Lol.