- The
Trempealeauan is the
upper or
latest stage of the
Upper or Late
Cambrian in
North America,
spanning about 4
million years from
about 492.5 to 488...
-
Batyrbaian Skullrockian /
Ibexian (part)
Merionethian Payntonian Sunwaptan /
Trempealeauan Jiangshanian Jiangshanian Iverian Aksaian Sakian Paibian Paibian Idamean...
-
Acaroceratidae is
family of
Upper Cambrian (
Trempealeauan)
nautiloid cephalopods included in the
Ellesmerocerida that
contains two
known genera, Acaroceras...
-
Plectronoceratids are
known from the
Upper Cambrian (upper
Franconian –
middle Trempealeauan) of
China and
North America (Minnesota, Wisconsin). Two
families are...
-
derived from the Plectronocerida,
having first appeared early in the
Trempealeauan Stage of the Late
Cambrian and
quickly diversifying into four families...
-
lower part of the
Changia Zone,
which is
correlated with the
earliest Trempealeauan of
North America. Wen-tang Zhang; Pei-ji Chen; A. R.
Palmer (2003)....
- one of only two
genera known to have
crossed from the Late Cambrian,
Trempealeauan, into the
Early Ordovician, Gasconadian. (Flower 1964,
Teichert 1988);...
- Cambrian-Ordovician boundary, with the
lower beds
containing fossils of
Trempealeauan age and the
upper beds
containing fossils of
Skullrockian age. The formation...
- 478.6 ± 1.7
epoch Ordovician ICS
Tremadoc Bay (Wales) Sedgwick, 1846
Trempealeauan 492.5 488.3 ± 1.7 age
Cambrian North America Trentonian age Carboniferous...
- The
Franconian is
preceded by the
Dresbachian and
followed by the
Trempealeauan,
respectively the
lower and
upper stages of the
North American Upper...
