Dicerodiscus

Dicerodiscus
Temporal range:
a drawing of a cephalon of Dicerodiscus tsunyiensis, and a pygidium of D. pertenus
Scientific classification
Kingdom:
Phylum:
Class:
Trilobita
Order:
Suborder:
Superfamily:
Family:
Genus:
Dicerodiscus

W. Chang, 1964
species
  • D. tsunyiensis W. Chang, 1964 (Type)
  • D. alcimus Qian et S. G. Zhang, 1980
  • D. pertenus Qian et S. G. Zhang, 1980
  • D. transversus Qian et S. G. Zhang, 1980

Dicerodiscus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the early part of the Botomian stage, in China (Guizhou and Sichuan). Four species have been assigned to it. Dicerodiscus is unique for an eodiscoid in having conspicuous and curved spines that are attached anteriorly, and at their base are directed outward perpendicular to the midline, before gradually bending further backwards.

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