- following:
Didymoceras angulatum (M**** and Hayden, 1860)
Didymoceras binodosum Kennedy and Cobban, 1993
Didymoceras californi**** Anderson, 1958
Didymoceras cheyenense...
-
Didymoceras nebrascense was an
extinct species of
heteromorph ammonite from the
upper Campanian age (around 83 to 70
million years ago). It was ****ually...
- the
Upper Campanian defined as the
first occurrence of the
ammonite Didymoceras nebrascense (76.27 Ma). In the
Tethys domain, the
Campanian encomp****es...
-
Heteromorph ammonite Didymoceras stevensoni...
- Cobban,
William A.; Landman, Neil H. (1999). "The
heteromorph ammonite Didymoceras cochleatum (M**** and Hayden, 1858), from the
Pierre Shale of
South Dakota...
- ammonites–from the
Pierre Shale Placenticeras placenta,
Scaphites nodosus,
Didymoceras, and
Baculites ovatus–bivalves–such as the
giant Inoceramus– the squid-like...
- E. ****oni****.
Related genera include Anaklinoceras, Bostrychoceras,
Didymoceras, and Nostoceras. Sepkoski, Jack (2002). "Sepkoski's
Online Genus Database"...
-
species †
Didymoceras †
Didymoceras binodosum †
Didymoceras clardyi †
Didymoceras cochleatum †
Didymoceras donezianum †
Didymoceras draconis †
Didymoceras mortoni...
-
Whitecliffs Landing (c. 1902)
Baculites B.
crickmayi B.
taylorensis Didymoceras Didymoceratoides D.
binodosum D.
clardyi Nostoceras N. (Nostoceras) danei...
-
Genera Ainoceras Anaklinoceras Ankinatsytes Axonoceras Bostrychoceras Didymoceras Eubostrychoceras Exiteloceras Hyphantoceras Jouaniceras Madagascarites...
