†family Ordosiidae Lu 1954 (trilobite)

Trilobita - Asaphida - Ordosiidae

Parent taxon: Asaphida according to J. Yuan et al. 2012

See also Dean 1982

Sister taxa: Aethodionide, Anomocarellidae, Anomocaridae, Anomocaroidea, Asaphina, Asaphoidea, Cyclopygoidea, Dikelocephaloidea, Eurekiidae, Hungaiidae, Parabumasttides, Pseudocyclopyge, Remopleuridae, Rhyssometopidae, Trinucleoidea

Subtaxa: Kontrastina Ordosia Paralevisia Poshania Taitzuia Taitzuina

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Type: Ordosia

Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Cambrian of China (6 collections), the Russian Federation (2)

Total: 8 collections including 13 occurrences

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