Order Phacopida, Superfamily Dalmanitoidea, Family Dalmanitidae
is 77 mm by 40 mm on a 70 mm by 115 mm matrix plus 31 mm by 31 mm negative
Upper Ktaoua Formation, Jebel Tiskaouine, Morocco
This is a fine example of an Ordovician dalmanitid trilobite coming
from the same strata as Flexicalymene ouzregoui, making it from
the Upper Kataoua Formation. Note the presence of eye facets,
something often not preserved. The only dalmanitid from that
level is Eudolatites maiderensis, but that one has a more robust
pygidial border, indicating this may be an undescribed species.
Most trilobites from that horizon are much more compressed than
this one, which when coupled with the excellent eye facets makes
this an excellent specimen.
see: Moroccan Trilobites