Elliptocephala

Elliptocephala
Temporal range: late Lower Cambrian (Upper Tommotian to Upper Botonian)
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Suborder:
Superfamily:
Family:
“Wanneriidae”
Subfamily:
“Wanneriinae”
Genus:
Elliptocephala

Emmons, 1844
Species
  • E. asaphoides Emmons, 1844 (Type)
  • E. bicensis (Walcott, 1910) synonym Callavia bicensis
  • E. laxocules (Fritz, 1972) synonym Olenellus laxocules
  • E. logani (Walcott, 1910) synonyms Olenellus logani, Wanneria logani
  • E. lundgreni (Moberg, 1892) synonyms Wanneria lundgreni, Kjerulfia lundgreni, Holmia lundgreni
  • E. mediocris (Poulsen, 1958) synonyms Wanneria mediocris, W. ruginosa, W. subglabra, W. troelseni
  • E. mirabilis (Poulsen, 1958) synonyms Holmia mirabilis, Wanneria mirabilis
  • E. paraoculus (Fritz, 1972) synonym Olenellus paraoculus
  • E. parvifrons (Fritz, 1972) synonym Wanneria parvifrons
  • E. praenuntius (Cowie, 1968) synonym Olenellus praenuntius
  • E. sequomalus (Fritz, 1972) synonym Olenellus sequomalus
  • E. walcotti Lieberman, 1999 synonym Olenellus truemanni pro parte

Elliptocephala is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from the later part of the Tommotian (upper Schmidtiellus mickwitzi-zone) to the upper Botomian (early middle Olenellus-zone). Elliptocephala can easily be confused with Ellipsocephalus, a trilobite genus of the Ptychopariida order.