What's the collective noun for a group of ancient mystery authors?

Fans of ancient mystery novels might be interested in this photo:


From left to right:  Steven Saylor, Lindsey Davis, me, Editor Extraordinaire Keith Kahla, and John Maddox Roberts.

Yes, I really am that much taller than the others, but in every other respect I was a dwarf amongst giants.

If you went up against this bunch in an ancient history trivia quiz, you would get slaughtered.

This was taken at the Bouchercon fan conference in 2010, the camera being wielded by Magistra Lindzey.  I have a copy but I was reminded of it last night when I was trawling the net, and came across it on Steven Saylor's web site.  (The image here is a direct link of his copy.)

Despite the three of them having written ancient mysteries at the top of their field for decades, this was the first time Roberts, Davis and Saylor had all three been in the same place at the same time, so, an historic event!