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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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Fossil s**** of
ammonite Placenticeras whitfieldi showing punctures caused by the bite of a mosasaur,
Peabody Museum of
Natural History, Yale...
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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...
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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...
- been
found in
fossil s**** of some ammonites,
mainly Pachydiscus and
Placenticeras.
These were once
interpreted as a
result of
limpets attaching themselves...
- marroti / Hoplitoplacenticeras vari zone of
Delawarella delawarensis zone of
Placenticeras bidorsatum During the
Campanian age, a
radiation among dinosaur species...
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famous for its well-preserved
ammonite fossils.
These include Placenticeras m****i,
Placenticeras intercalare, Hoploscaphites, and Sphenodiscus, the baculite...
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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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Kauffman and
Robert Kesling reported a
fossil ammonite of the
genus Placenticeras exhibiting damage they
interpreted as
tooth marks from a mosasaur, probably...
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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...
