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...

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...

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

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

Megistaspis is a genus of trilobites in the order Asaphida and family Asaphidae. They lived in the Ordovician period (478-449 million years ago), from...

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...

S2CID 129305548. Fortey, R.A. (1975). The Ordovician Trilobites of Spitsbergen [II. Asaphidae, Nileidae, Raphiophoridae and Telephinidae of the Valhallfonna Formation]...