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...

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

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

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...

the glabella and the lateral border. As usual for members of the family Asaphidae, it has 8 articulating segments in the middle part of the body (or thorax)...

Niobe is a genus of trilobites in the family Asaphidae. S. M. Gon III. "Order Asaphida". Archived from the original on 6 January 2011. Retrieved December...

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