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Placenticeras is a
genus of
ammonites from the Late Cretaceous. Its
fossils have been
found in Asia, Europe,
North and
South America.
Placenticeras, named...
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Placenticeras m****i is an
ammonite species from the Late Cretaceous.
These cephalopods were fast-moving n****nic carnivores. They
mainly lived in the...
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known for the
abundant ammonite fauna it yields,
including Baculites,
Placenticeras, Scaphites,
Hoploscaphites and Jeletzkytes, as well as many uncoiled...
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fossil s**** of the
Upper Cretaceous disk-shaped
ammonites Placenticeras m****i and
Placenticeras intercalare, and (to a
lesser degree) the
cylindrical baculite...
- marroti / Hoplitoplacenticeras vari zone of
Delawarella delawarensis zone of
Placenticeras bidorsatum During the
Campanian age, a
radiation among dinosaur species...
- been
found in
fossil s**** of some ammonites,
mainly Pachydiscus and
Placenticeras.
These were once
interpreted as a
result of
limpets attaching themselves...
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includes a
variety of mollusks,
namely ammonites–from the
Pierre Shale Placenticeras placenta,
Scaphites nodosus, Didymoceras, and
Baculites ovatus–bivalves–such...
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domain the
Santonian is
coeval with a
single ammonite biozone: that of
Placenticeras polyopsis.
Biostratigraphy based on inoceramids,
nanoplankton or forams...
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lower part of the
Upper Cretaceous and
precursor of the
overall similar Placenticeras. The s**** is compressed, with flat or
slightly convex sides and narrow...
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genus Caseyella. A
study on the
morphological variation of
specimens of
Placenticeras from the
Upper Cretaceous strata of the
eastern Gulf
Coastal Plain (mostly...
