Moroccan Trilobite ID

[skiman1016]

This was the first fossil I ever bought, I wasn’t even in kindergarten. I didn’t know what a trilobite was at the time but thought it looked cool. The only info I have is that it’s from Morocco. My best guess is something in the family Calymenidae. 

[Thecosmilia Trichitoma]

It is a Calymene trilobite from the Anti-Atlas region of Morocco.

[Kane]

If the pygidial flanks are smooth = Colpocoryphe grandis.

If not = Flexicalymene ouzregui.

[Praefectus]

2 hours ago, Kane said:

If the pygidial flanks are smooth = Colpocoryphe grandis.

If not = Flexicalymene ouzregui.

 

Interesting. I've been referring to all of the trilobites that have this general shape as Flexicalymene ouzregui. What is a pygidial flank? Curiously, do these two specimens have smooth flanks? Thanks.

 

 

 

 

[Huntonia]

3 hours ago, Praefectus said:

What is a pygidial flank? Curiously, do these two specimens have smooth flanks? Thanks.

The pygidial flanks are the sides of the pygidium (tail). Here's an example from my collection

I'm having a bit of a hard time telling (on mobile), but it looks to me like yours are smooth as well 

[Praefectus]

2 hours ago, Huntonia said:

The pygidial flanks are the sides of the pygidium (tail). Here's an example from my collection

 

I'm having a bit of a hard time telling (on mobile), but it looks to me like yours are smooth as well 

Thanks for the information! Looks like I will have to do some relabeling. The big trilo does look to have smooth flanks. I'm not so sure about the little one. I'll check it in the morning. 

[skiman1016]

It looks like mine doesn’t have smooth pygidial flanks, so it must be Flexicalymene ouzregui. I couldn’t get a good photo to shows it. All that info was super helpful!