Trilobites
Order Asaphida Suborder Asaphina, Superfamily Asaphoidea, Family
Asaphidae
Geologic Age: Lower Ordovician
Trilobite
is 110 mm long
Wolchovian Horizon of the Wolchow River region near Saint Petersburg, Russia
Remark: The Megistaspis genus has some 20 members, but this species by
its pygidial spine. Trilobite workers postulate that Megistaspis lived
a benthic lifestyle the low profile enabled the trilobite to hide just
below the surface of the
seafloor.
Also see:
Russian Trilobites |
