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...
3 KB (247 words) - 16:31, 14 March 2024
Gryphaea arcuata is an extinct species of foam oyster, a bivalve mollusc in the family Gryphaeidae from the Early Jurassic of Europe. It is commonly referred...
1 KB (74 words) - 12:33, 26 June 2024
of individuals. It is closely related to the similar species Gryphaea dilobotes. Gryphaea arcuata Jurassic Coast http://piclib.nhm.ac.uk/piclib/www/image...
2 KB (137 words) - 16:12, 30 September 2022
Montage of multiple fossils. Clockwise from top left: Onychocrinus and Palaeosinopa; bottom row: Gryphaea and Harpactocarcinus...
111 KB (11,445 words) - 22:28, 3 September 2024
†Gryphaea †Gryphaea arcuataeformis †Gryphaea arcusta – or unidentified comparable form †Gryphaea cymbium – or unidentified comparable form †Gryphaea impressimarginata...
54 KB (2,110 words) - 18:35, 6 January 2024
the Mull volcano. Near the loch shoreline, today are fossil oysters, or Gryphaea, that lived on the shoreline of a tropical sea here 200 million years ago...
9 KB (923 words) - 16:24, 16 June 2024
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...
51 KB (5,516 words) - 02:19, 3 August 2024
crocodiles, ichthyosaurs, cephalopods (such as belemnites), bivalves (such as Gryphaea), and a variety of gastropods. Dinosaur eggs are stratigraphically present...
15 KB (834 words) - 00:13, 19 June 2024
to the Cretaceous period, notably marine invertebrates Exogyra texana, Gryphaea marcoui, and Carseyella walnutensis. Earth sciences portal Texas portal...
2 KB (181 words) - 03:05, 28 July 2024
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...
101 KB (10,583 words) - 01:49, 16 August 2024