Ptychoparioidea

Ptychoparioidea
Temporal range: Cambrian Stage 3–Late Ordovician
Elrathia kingii (family Alokistocaridae) from the Wheeler Shale (Middle Cambrian), Utah.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Ptychopariida
Superfamily: Ptychoparioidea
Pour and Popov, 2008
Families

See text

Ptychoparioidea is a superfamily of the Ptychopariida order of trilobites.[1][2][3][4]

  1. ^ Sundberg F. A., McCollum L.B. (2003) Trilobites of the lower Middle Cambrian Poliella denticulata biozone (new) of southeastern Nevada, Journal of Paleontology, 331-359
  2. ^ Sundberg F. A., McCollum L. B. (2000) Ptychoparid trilobites of the Lower-Middle Cambrian boundary interval, Pioche Shale, southeastern Nevada, Journal of Paleontology, 604-630
  3. ^ Landing E., Johnson S. C., et al (2008) Faunas and Cambrian volcanism on the Avalonian marginal platform, southern New Brunswick, Journal of Paleontology 82 5, 884-905
  4. ^ Pour M. G., Popov L. E. (2009) Silicified Middle Cambrian trilobites from Kyrgyzstan, Palaeontology, 1039-1056