Assertion: arthropod's form | /r/AtLocation | the chengjiang
Facets:
Source sentences:
text: Many forms that occur in the Chengjiang lagerstätten have been described by Bergström and Hou (the latter the discoverer of the Chengjiang fauna), who follow an intuitive "key-character" approach; In their comprehensive monograph, Hou & Bergström describe many little known forms in detail, and present the following subdivisions of the Schizoramia, including two new superclasses, the Proschizoramia and the Lamellipedia: