-
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...
-
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...
-
Montage of
multiple fossils.
Clockwise from top left:
Onychocrinus and Palaeosinopa;
bottom row:
Gryphaea and Harpactocarcinus...
- 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...
- crocodiles, ichthyosaurs,
cephalopods (such as belemnites),
bivalves (such as
Gryphaea), and a
variety of gastropods.
Dinosaur eggs are
stratigraphically present...
- to the
Cretaceous period,
notably marine invertebrates Exogyra texana,
Gryphaea marcoui, and C****yella walnutensis.
Earth sciences portal Texas portal...
-
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...
-
Genus †Africogryphaea Freneix, 1963
Genus †Deltoideum Rollier, 1917
Genus †
Gryphaea Lamarck, 1801
Genus †Liostrea DouvillŽ, 1904
Genus †Pernostrea Munier-Chalmas...
- Texas. It
preserves fossils dating back to the
Cretaceous period.
Neithia Gryphaea Eopachydiscus E. marci**** E.
laevicanaliculatum Mortoniceras M. equidistans...
