Unusual Helodus tooth

[Strepsodus]

This is the most unusual Helodus tooth in my collection.  It is from the British Coal Measures (upper Carboniferous).  If my understanding is correct, teeth described as Helodus simplex, Helodus affinis, Helodus ranknei and Helodus attheyi all come from the same fish, just different parts of the jaw.  This tooth looks similar to Helodus affinis but also similar to Helodus attheyi, so I suspect H.affinis was positioned next to H.attheyi and this tooth is from between the two.

[FossilDAWG]

Cool tooth!

Don

[deutscheben]

Interesting, thanks for sharing!

[Darktooth]

Very nice tooth!

[Strepsodus]

Thanks for the comments.