Trilobita - Asaphida - Aphelaspididae

Full reference: A. R. Palmer. 1960. Trilobites of the Upper Cambrian Dunderberg Shale, Eureka District, Nevada. United States Geological Survey Professional Paper 334-C:53-107

Parent taxon: Aphelaspididae according to P. A. Jell and J. M. Adrain 2003

Sister taxa: Amorphella, Aphelaspis, Dicanthopyge, Elegantaspis, Erixanium, Eugonocare, Labiostria, Listroa, Litocephalus, Maduiya, Nganasanella, Olenaspella, Olentella, Taenicephalites, Tamaranella

Subtaxa: Taenora expansa, Taenora platifrons

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Type: Taenora expansa

Ecology: fast-moving low-level epifaunal deposit feeder