-
Hirnantian Cincinnatian Gamachian Bolindian Hirnantian Katian Rawtheyan Richmondian Chientangkiangian Cautleyan Pusgillian Maysvillian Eastonian Neichianshanian...
- Leipers, Fernvale, and Arnheim. The most
recent stage is the
Richmondian. The
Richmondian contains: Bull Fork, Saluda, Whitewater,
Drakes and
parts of...
- (Miller) 1882
Upper Ordovician ("
Richmondian") A
fairly uncommon but
widespread American species found throughout "
Richmondian"
strata in Ohio, Kentucky, Indiana...
-
Formation is a
geological formation of
Upper Ordovician age (Maysvillian to
Richmondian Stage),
which outcrops in Ontario,
Canada (along the
northern and eastern...
- Nevada. It
preserves fossils dating back to the Dapingian-Katian (Ibexian-
Richmondian in the
regional stratigraphy)
stages of the
Ordovician period. Wikimedia...
-
above the
mouth of
Silver cr****, east of Dunlapsville, Late
Ordovician (
Richmondian)
Waynesville Formation of Indiana. The
species is also
recorded from...
-
Formation Stratigraphic range:
Upper Ordovician (upper Maysvillian-lower
Richmondian) Type
Formation Underlies Queenston Formation Manitoulin Formation Overlies...
- Wetherby, 1880
Tanaocrinidae extinct Ordovician (Katian) &
Silurian (
Richmondian)
United States : 316
Cantharocrinus Breimer 1962 C.
minor Breimer, 1962...
- K(3):1-519 R. C. Frey. 1981.
Narthecoceras (Cephalopoda) from the
Upper Ordovician (
Richmondian) of
Southwest Ohio.
Journal of
Paleontology 55(6):1217-1224...
-
fossils dating back to the
Darriwilian to
Hirnantian stages (Edenian to
Richmondian in the
regional stratigraphy) of the
Ordovician period. A comparison...
