A common arthropod from the Late Ordovician Big Hill Lagerstätte (Michigan) reveals an unexpected ecological diversity within Chasmataspidida

List of organisms named after famous people (born before 1800)

In biological nomenclature, organisms often receive scientific names that honor a person.

Chasmataspis

Chasmataspis is a genus of chasmataspidid, a group of extinct aquatic chelicerate arthropods.

下層板

Chasmataspidid

Chasmataspidids, often referred to informally as chasmataspids, are a group of extinct arthropods that form the order Chasmataspidida.