Pseudoasaphus Temporal range: | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | † Trilobita |
Order: | † Asaphida |
Family: | † Asaphidae |
Genus: | † Pseudoasaphus Schmidt, 1904 |
Pseudoasaphus is an extinct genus of trilobites from the Ordovician. [1]
Asaphidae is a family of asaphid trilobites. Although the first genera originate in Upper Cambrian marine strata, the family becomes the most widely distributed and most species-rich trilobite family during the Ordovician. 754 species assigned to 146 genera are included in Asaphidae.