Addy (Cambrian of the United States)

Where: Stevens County, Washington (48.4° N, 117.8° W: paleocoordinates 8.8° S, 87.4° W)

• coordinate estimated from map

When: Addy Quartzite Formation, Early/Lower Cambrian (541.0 - 513.0 Ma)

• A short distance north the Addy quartzite is overlain by the old Dominion limestone; It is the writer's opinion that the Gypsy quartzite is equivalent in age to the Addy quartzite, and that the lower portion of the Maitlen phyllite is equivalent in age to the Old Dominion lime- stone.

Environment/lithology: marine; red, argillaceous quartzite

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by Okulitch in 1949; reposited in the GSC

Primary reference: V. J. Okulitch. 1951. A Lower Cambrian Fossil Locality near Addy, Washington. Journal of Paleontology 25(3):405-407 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 191233: authorized by Jonathan Marcot, entered by Jonathan Marcot on 17.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Redlichiida - Olenellidae
Olenellidae indet. Walcott 1890 trilobite
 Redlichiida - Nevadiidae
Nevadia addyensis n. sp. Okulitch 1951 trilobite
Geological Survey of Canada 1004
 Kutorginida - Kutorginidae
"Kutorgina cf. cingulata" = Kutorgina, "Kutorgina sp." = Kutorgina, "Rustella cf. edsoni" = Kutorgina
"Kutorgina cf. cingulata" = Kutorgina
"Kutorgina sp." = Kutorgina Billings 1861
"Rustella cf. edsoni" = Kutorgina
 Paterinida - Paterinidae
"Micromitra (Paterina) sp." = Paterina
"Micromitra (Paterina) sp." = Paterina Beecher 1891
 Hyolithelminthida - Hyolithellidae
Hyolithellus sp. Billings 1872