Asaphidae is a family of asaphid trilobites. Although the first genera originate in Upper Cambrian marine strata, the family becomes the most widely distributed...

did not survive past the Ordovician-Silurian mass extinction event. Asaphidae, like all other derived asaphide trilobite families (ie, Cyclopygidae...

Hoekaspis is an extinct genus of trilobites from the family Asaphidae. It lived during the early part of the Arenig stage of the Ordovician, a faunal...

of slump, combined with a trilobite fauna dominated by members of the Asaphidae family indicates a marine environment of external distal platform. Shales...

Aphelaspididae Parabolinoididae Pterocephaliidae Superfamily Asaphoidea Asaphidae Ceratopygidae Tsinaniidae Superfamily Cyclopygoidea Cyclopygidae Isocolidae...

classification Domain: Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphellus Callaway ,1877...

Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphus Species: †A. kowalewskii Binomial name †Asaphus kowalewskii...

Anataphrus is an extinct genus of trilobites in the family Asaphidae. These four species belong to the genus Anataphrus: † Anataphrus borraeus Whittington...

Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphus Brongniart, 1822 Type species Entomostracites expansus...

Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphus Species: †A. expansus Binomial name †Asaphus expansus...