Gryphaea


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Related to Gryphaea: genus Pecten

Gry`phae´a


n.1.(Zool.) A genus of cretaceous fossil shells allied to the oyster.
References in periodicals archive ?
Incluye principalmente los pelecipodos Eocallista, Pleuromya, Crenotrapezium y Gryphaea, los cuales vivian en la zona de intermareas (Reineck y Singh, 1980); los esqueletos de estos moluscos al consolidarse formaron extensas coquina.
En la Formacion Yucunuti se recolectaron moluscos cosmopolitas de los generos Lucina, Astarte, Vaugonia, Gryphaea, Eocallista, Crenotrapazium, Pleuromia, y Lima, los cuales denotan un ambiente marino o salobre.
13N), ya reportados por Alencaster (1963) para el Jurasico Medio del noroeste de Oaxaca y noreste de Guerrero, y Gryphaea mexicana Felix, 1891 (Fig.
1954 virgiliae * capensis Brachidontes Musculus Millard & Broekhuysen virgiliae * virgiliae 1970 Ostreidae Saccostrea Crassostrea Millard & Broekhuysen cucullata cucullata 1970 Saccostrea Gryphaea Day et al.
He has a large collection of 190 million-years-old Amethyst geode and Ammonite, 144 million years old wood fossils as well as Gryphaea and 190 million years old chambered nautilus.
At the low to middle transgressive systems tract of the depositional sequence Tc 1 and depositional sequence Tc 2, in two sections (Barranco de la Canada, C, and Barranco de la Masia, MA) faunal associations occur, which are dominated by Gryphaea cf.
In contrast to the brachiopod-dominated associations described above, brachiopods only play a minor role in associations dominated by Gryphaea cf.
The ecology of Mesozoic Gryphaea, Exogyra, and Ilymatogyra (Bivalvia: Mollusca) in a modern ocean.
virginica), Gryphaea virginica, and the current Crassostrea virginica.