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Showing results for tags 'ilymatogyra'.
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From the album: Texas Cretaceous Fossils: Oysters
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- oyster
- ilymatogyra arietina
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(and 4 more)
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From the album: MY FOSSIL Collection - Dpaul7
Ilymatogyra ram's horn oyster fossil SITE LOCATION: Del Rio, Texas TIME PERIOD: Lower Cretaceous (100-145 million years ago) Data: The Gryphaeidae, common name the foam oysters or honeycomb oysters, are a family of marine bivalve mollusks, and are a kind of true oyster. This family of bivalves is very well represented in the fossil record, however the number of living species is very few. All species have shells cemented to a substrate. Shells are considered brittle, inequivalve, with the left, lower (cemented) valve convex and the right (upper, non-cemented) valve flat or slightly concave. Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Order: Ostreida Family: †Gryphaeidae Genus: †Ilymatogyra-
- ilymatogyra
- bivalve
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(and 2 more)
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