| Manzanellidae | |
|---|---|
 | |
| Manzanella elliptica | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Solemyida |
| Superfamily: | Manzanelloidea |
| Family: | Manzanellidae Chronic, 1952 [1] |
Manzanellidae is a fossil family of bivalves, in the order Solemyida. They were previously considered containing fossil and recent members of Nucinellidae. [2]
A seashell or sea shell, also known simply as a shell, is a hard, protective outer layer usually created by an animal that lives in the sea. The shell is part of the body of the animal. Empty seashells are often found washed up on beaches by beachcombers. The shells are empty because the animal has died and the soft parts have been eaten by another animal or have decomposed.
The evolution of the molluscs is the way in which the Mollusca, one of the largest groups of invertebrate animals, evolved. This phylum includes gastropods, bivalves, scaphopods, cephalopods, and several other groups. The fossil record of mollusks is relatively complete, and they are well represented in most fossil-bearing marine strata. Very early organisms which have dubiously been compared to molluscs include Kimberella and Odontogriphus.
The molluscshell is typically a calcareous exoskeleton which encloses, supports and protects the soft parts of an animal in the phylum Mollusca, which includes snails, clams, tusk shells, and several other classes. Not all shelled molluscs live in the sea; many live on the land and in freshwater.
The giant honeycomb oyster is a very large saltwater oyster, a marine bivalve mollusk.
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda. The members are known as molluscs or mollusks. Around 85,000 extant species of molluscs are recognized. The number of fossil species is estimated between 60,000 and 100,000 additional species. The proportion of undescribed species is very high. Many taxa remain poorly studied.
Isognomon is a genus of marine bivalve mollusks which is related to the pearl oysters.
Bathymodiolus childressi is a species of deepwater mussel, a marine bivalve mollusk species in the family Mytilidae, the mussels.
Hyotissa is a genus of large saltwater oysters, marine bivalve mollusks in the family Gryphaeidae.
Nucula proxima, commonly known as the Atlantic nut clam, is a marine bivalve mollusc in the family Nuculidae. It can be found along the Atlantic coast of North America, ranging from Nova Scotia to Texas, including Bermuda.
Gregariella is a genus of mussels in the family Mytilidae.
Angeline Myra Keen (1905–1986) was an American malacologist and invertebrate paleontologist. She was an expert on the evolution of marine mollusks. With a PhD in psychology. Keen went from being a volunteer, identifying shells at Stanford, and having no formal training in biology or geology, to being one of the world's foremost malacologists. She was called the "First Lady of Malacology".
Ampullinopsis is an extinct taxonomic genus of deep-water sea snails, marine gastropod molluscs in the clade Sorbeoconcha. These sea snails were epifaunal grazers. Sea snails of this genus lived from Paleocene epoch to Miocene epoch.
The San Andres Formation is a geologic formation found in New Mexico and Texas. It contains fossils characteristic of the late Leonardian (Kungurian) Age) of the Permian Period.
The Abo Formation is a geologic formation in New Mexico. It contains fossils characteristic of the Cisuralian epoch of the Permian period.
Huxleyia habooba is a species of small, monomyarian, nuculoid bivalve. It was first found at a depth of 84 metres (276 ft) in the Arabian Sea. It is suspected of benefiting from chemosymbiosis with sulphur-oxidizing bacteria.
Nucinella owenensis is a species of small, monomyarian, nuculoid bivalve.
Rüdiger Bieler is a German-American biologist whose primary scientific field of study is malacology, the study of mollusks.
Harold Ernest Vokes, was an American malacologist and paleontologist. He specialized in bivalves, especially fossils found along the Gulf Coast and Atlantic Coast, and he taught at Johns Hopkins and Tulane universities. He often collaborated with his wife, the malacologist Emily H. Vokes.
Ennucula aegeensis, commonly known as the Aegean nut clam, is a nut clam present in the Atlantic Ocean, Gulf of Mexico, and the Mediterranean.
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