Nevadella

Nevadella
Temporal range: Late Atdabanian, 524–522 Ma
↓
Nevadella eucharis, type specimen
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Trilobita
Order:
Redlichiida
Superfamily:
Nevadioidea[1]
Family:
"Nevadiidae"
Genus:
Nevadella

Raw, 1936
Species
  • N. eucharis (Walcott, 1913) (type) synonym Callavia eucharis
  • N. baculenta (Fritz, 1972)
  • N. cartlandi (Raw in Walcott, 1910) synonyms Callavia cartlandi, C. cobboldi, C. brevioculata[2]
  • N. keelensis Abe, 2010
  • N. mountjoyi (Fritz, 1972)
  • N. perfecta (Walcott, 1913) synonym Callavia perfecta
Several cephalons of Nevadella perfecta, with undamaged glabellas, also showing the strikingly wide cephalic margin

Nevadella is an extinct genus of trilobites, fossil marine arthropods, with species of average size (about 5 centimetres or 2.0 inches long). It lived during the late Atdabanian stage, which lasted from 530 to 524 million years ago during the early part of the Cambrian Period.[3]

  1. ^ Lieberman, B.S. (1998). "Cladistic Analysis of the Early Cambrian Olenelloid Trilobites" (PDF). Journal of Paleontology. 72 (1): 59–78. Bibcode:1998JPal...72...59L. doi:10.1017/S0022336000024021. S2CID 86307339.
  2. ^ Lieberman, B. S. (2001). "Phylogenetic Analysis of the Olenellina Walcott, 1890 (Trilobita, Cambrian)". Journal of Paleontology. 75 (1): 96–115. doi:10.1666/0022-3360(2001)075<0096:PAOTOW>2.0.CO;2. S2CID 85656419.
  3. ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Retrieved 2008-01-12.