The main rich levels in these paleontological taxons are in the deeper stratigraphic levels of the sedimentarian filling of the Ouled Abdoun Basin
Leiobienvillia
conical with blunt apices
Normally it is the species Otodus obliquus
Jujuyaspis
30444 - Beautiful 0.70 Inch Labiostria westropi Upper Cambrian Trilobite - Canada Bathynotus kueichouensis The main rich levels inLabiostria, Palmer 1955 (trilobite) Trilobita Aphelaspididae PaleoDB taxon number: 20015 Parent taxon: Aphelaspididae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Amorphella, Aphelaspis, Apheloides, Dicanthopyge, Erixanium, Eugonocare, Kazakhius, Listroa, Litocephalus, Maduiya, Nganasanella, Olenaspella, Olentella, Taenicephalites, Taenora, Tamaranella Subtaxa: none Ecology: fast moving low level epifaunal deposit