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Gryphaea, one of the
genera known as devil's toenails, is a
genus of
extinct oysters,
marine bivalve mollusks in the
family Gryphaeidae.
These fossils...
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Montage of
animal fossils.
Clockwise from top left:
Onychocrinus and Palaeosinopa;
bottom row:
Gryphaea and Harpactocarcinus...
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Gryphaea arcuata is an
extinct species of foam oyster, a
bivalve mollusc in the
family Gryphaeidae from the
Early Jur****ic of Europe. It is
commonly referred...
- of individuals. It is
closely related to the
similar species Gryphaea dilobotes.
Gryphaea arcuata Jur****ic
Coast http://piclib.nhm.ac.uk/piclib/www/image...
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together as one. At the top of the
shield are two
fossils of the
species Gryphaea incurva.
These remains of oysters,
known as the "devil's toenails", were...
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Characteristic fossils found in the
ironstone beds
included large Ammonites, and
Gryphaea, Cardinia, and
other mollusc species. The
geological strata in Lincolnshire...
- ISBN 978-0-393-01380-1 1980. Gould,
Stephen Jay (December 1980). The
Evolution of
Gryphaea. New York: Arno Press. ISBN 978-0-405-12751-9. 1981. The
Mismeasure of...
- the Mull volcano. Near the loch s****line,
today are
fossil oysters, or
Gryphaea, that
lived on the s****line of a
tropical sea here 200
million years ago...
- risk from
erosion and flooding. Many fossils,
including ammonites and
gryphaea are to be
found there.
Marcross Brook p****es
through the
cliffs and an...
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Forum 25:403-415. Hill, R.T. and Vaughn, T.W. 1898. The
Lower Cretaceous Gryphæas of the
Texas Region.
United States Department of the Interior, U.S. Geological...
