Trilobita - Olenida - Pterocephaliidae
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: Pterocephaliidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Aphelaspidinae, Beigongia, Bromella, Cilia, Dikelocephalites, Flabellocephalus, Housia, Housiinae, Jubileia, Labiostrella, Lunacephalus, Luotuolingia, Maladioides, Metachangshania, Morosa, Paramaladioidella, Pauciella, Pedinaspis, Pedinocephalites, Pelicephalus, Plesiocilia, Proapatokephaloides, Prodikelocephalites, Protemnites, Pseudaphelaspis, Pterocephaliinae, Pulchricapitus, Stenambon, Tumicephalus, Uxunella, Yangweizhouia, Yingziaspis, Camaraspis
Subtaxa: Anechocephalus spinosus Anechocephalus trigranulatus
Type: Anechocephalus trigranulatus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Canada (1: Yukon collection), United States (10: Arkansas, Nevada)
Total: 11 collections including 12 occurrences
Specimen images are retrieved through the ePANDDA API.
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