Trilobita - Phacopida - Pliomeridae
Full reference: S. Holliday. 1942. Ordovician Trilobites from Nevada. Journal of Paleontology 16(4):471-478
Parent taxon: Pliomeridae according to S. Holliday 1942
See also Fortey and Droser 1999, Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Anapliomera, Benedettia, Colobinion, Cybelopsinae, Encrinurella, Evropeites, Gogoella, Guizhoupliomerops, Hammatocneminae, Hintzeia, Ibexaspis, Josephulus, Leiostrototropis, Lemureops, Liexiaspis, Obliteraspis, Parapliomera, Perissopliomera, Placoparia, Pliomera, Pliomerella, Pliomeridius, Pliomerina, Pliomerinae, Protoencrinurella, Protopliomerella, Protopliomerops, Rossaspis
Subtaxa: Pseudomera arachnopyge Pseudomera barrandei Pseudomera billingsi Pseudomera insolita Pseudomera nevadensis
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Whiterockian of Canada (24: Newfoundland, Newfoundland and Labrador, Northwest Territories collections), United States (25: California, Nevada, Oklahoma, Utah)
• Chazyan of Canada (4: Newfoundland and Labrador)
• Fennian of United States (1: Nevada)
• Arenig of the Russian Federation (1)
• Arenigian of Canada (1: Northwest Territories)
• Ordovician of Canada (2: Newfoundland, Newfoundland and Labrador), the Russian Federation (1), United States (30: California, Nevada, Utah)
• Ibexian of Canada (1: Quebec)
Total: 90 collections including 93 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.