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Temporal range: Silurian
Neotype fossil (BU55) of the encrinurine trilobite Balizoma variolaris.jpg
Balizoma variolaris fossil
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Phacopida
Family: Encrinuridae
Genus: Balizoma
  • B. variolaris

Balizoma is a genus of trilobites from the family Encrinuridae. It has only been found in rocks of Silurian age. Its type species, B. variolaris, was named by Alexandre Brongniart in 1822, and is found in Dudley, England,.[1]


  • Adrain, JM and GD Edgecombe, 1995, Balizoma and the new genera Aegrotocatellus and Perirehaedulus; encrinurid trilobites from the Douro Formation (Silurian, Ludlow) of the central Canadian Arctic, Journal of Paleontology 69(4).
  • Tripp, RP, JT Temple, & KC Gass, 1977, The Silurian trilobite Encrinurus variolaris and allied species, with notes on Frammia, Palaeontology 20.
  • Balizoma at the Paleobiology Database