Mesonacinae

Mesonacinae
Temporal range: 516–513 Ma
↓
Botomian
Mesonacis vermontanus, late Lower Cambrian, Australia, Courtesy of Sam Gon III.
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Trilobita
Order:
Redlichiida
Family:
Olenellidae
Subfamily:
Mesonacinae

Walcott, 1890
Genera

The Mesonacinae comprise an extinct subfamily of trilobites that lived during the Botomian, found in North-America, Greenland and North-Western Scotland. The two genera in this subfamily are Mesonacis and Mesolenellus.[1]

  1. ^ a b c Lieberman, B.S. (1999). "Systematic Revision of the Olenelloidea (Trilobita, Cambrian)" (PDF). Bulletin of the Peabody Museum of Natural History. 45. Archived from the original (PDF) on 2016-06-24. Retrieved 2012-10-30.
  2. ^ Palmer, A.R.; Repina, L.N. (1993), "Through a Glass Darkly: Taxonomy, Phylogeny and Biostratigraphy of the Olenellina", The University of Kansas Paleontological Contributions, 3: 1–35