-
Watinoceras is a
genus of
acanthoceratid ammonite that
lived during the
early Turonian stage of the Late Cretaceous.
Early whorls are compressed, finely...
-
Acanthoceratoidea based on the
possibility of
descent from a
compressed acanthoceratid such as Protacanthoceras. Arkell, W.J.; Kummel, B.; Wright, C.W. (1957)...
- (Conlinocras), is a
strongly ribbed,
evolute ammonite,
belonging to the
acanthoceratid subfamily Acanthoceratinae,
known from the
Cenomanian stage of the Upper...
-
Neocardioceras is a
genus of
evolute acanthoceratid ammonites from the
uppermost Cenomanian,
Upper Cretaceous, of Europe,
western U.S. and Brazil. As described...
- W.J.
Kennedy (1980). Origin,
evolution and
systematics of the
dwarf acanthoceratid Protacanthoceras Spath, 1923 (Cretaceous Ammonoidea).
Bulletin of the...
-
Cunningtoniceras is a
stocky acanthoceratid ammonite from the
upper Cenomanian stage of the late
Cretaceous of the
western U.S.,
found e.g. in Arizona...
- Kamerunoceras,
named by R.A.
Reyment in 1954, was
tentatively included in the
acanthoceratid subfamily Mammitinae in W.J. Arkell, et al (1957), but has
since been...
- Souček, M. (2023). "In situ-preservation of jaws in the
upper Turonian acanthoceratid ammonite Prionocyclus germari (Reuss, 1845):
palaeobiological and taphonomic...
