Sinodiscus

Sinodiscus
Temporal range: Late Atdabanian
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita (?)
Order: †Agnostida
Family: †Calodiscidae
Genus: †Sinodiscus
Chang, in Lu et al. 1974
Species
  • †S. shipaiensis Chang in Lu et al. 1974 (type)
  • †S. changyangensis Zhang in Zhou et al., 1977
  • †S. kunshanensis Zhang & Zhou, 1985
  • †S. trisulcatus Zhang & Zhou, 1985

Sinodiscus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage, which lasted from 530 to 524 million years ago during the early part of the Cambrian Period.

Dai and Zhang (2013) were able to reconstruct both the morphology and ontogeny of S. changyangensis Zhang based on a large number of well preserved examples from the lower Cambrian Shuijingtuo Formation in Changyang, Hubei Province, South China.

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