-
Datsonian Batyrbaian Skullrockian /
Ibexian (part)
Merionethian Payntonian Sunwaptan /
Trempealeauan Jiangshanian Jiangshanian Iverian Aksaian Sakian Paibian...
- Cambrian–Ordovician (Furongian,
Early Ordovician)
biomere boundary: the
Sunwaptan–Skullrockian
North American Stage boundary in the
Wilberns and Tanyard...
- Inc. Westrop, S,R.; Adrian, J.M.; Landing, E. (2011). "The
Cambrian (
Sunwaptan, Furongian)
agnostoid arthropod lotagnostus Whitehouse, 1936, in Laurentian...
- Cambrian–Ordovician (Furongian,
Early Ordovician)
biomere boundary: the
Sunwaptan–Skullrockian
North American Stage boundary in the
Wilberns and Tanyard...
- (20 in) long, that
lived during the last 3
million years of the
Cambrian (
Sunwaptan).
Their fossils are
commonly found as
disarticulated sclerites, in the...
- Range,
Millard County) and from the
Franconian (in North-America
called Sunwaptan) of Wisconsin.
Beckwithia was
previously placed in a
separate family,...
- Mindat.org. Adrain,
Jonathan M.; Westrop,
Stephen R. "A Late
Cambrian (
Sunwaptan)
silicified trilobite fauna from Nevada".
Bulletins of
American paleontology...
- ****an Ikebe, 1977
Suevian 33.8 29.2
ELMMZ Oligocene Europe Tobien, 1980
Sunwaptan 493 491 age
Cambrian North America Ludvigsen & Westrop, 1985 Susterian...
- Blackwell,
Stephen R.
Westrop (2023). "A new
Cambrian (Jiangshanian,
Sunwaptan)
trilobite fauna from
Oklahoma and its
biostratigraphic significance"...
-
Nounan Dolomite and
lower St.
Charles Formation (upper
Marjuman to
lower Sunwaptan;
Miaolingian to
Furongian Series),
Smithfield Canyon,
northern Utah"....
