Anomia (bivalve)
| Anomia | |
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| Two upper valves of A. ephippium | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Pectinida |
| Family: | Anomiidae |
| Genus: | Anomia Linnaeus, 1758 |
| Species | |
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| Synonyms | |
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Anomia is a genus of saltwater clams, marine bivalve mollusks in the family Anomiidae. They are commonly known as jingle shells because when a handful of them are shaken they make a jingling sound,[2] though some are also known as saddle oysters.[3]
This genus first appeared in the Permian period of China, Italy, and Pakistan.[4] Anomia species are common in both tropical and temperate oceans and live primarily attached to rock or other shells via a calcified byssus that extends through the lower valve.[1] Anomia shells tend to take on the surface shape of what they are attached to; thus if an Anomia is attached to a scallop shell, the shell of the Anomia will also show ribbing.[1] The species A. colombiana has been found in the La Frontera Formation of Boyacá, Cundinamarca and Huila of Colombia.[5]
Reassigned species
As Anomia was erected very early in paleontology, several species have been reassigned; most of them are now recognized as brachiopods.[6][7]
- A. angulata = Yanishewskiella angulata, brachiopod
- A. biloba = Dicoelosia biloba, brachiopod
- A. bilocularis = Conchidium biloculare, brachiopod
- A. caputserpentis Linné, 1758 = undetermined terebratulid brachiopod
- A. caputserpentis Linné, 1767 = Terebratulina caputserpentis, brachiopod
- A. craniolaris = Crania craniolaris, brachiopod
- A. crispa = Delthyris elegans, brachiopod
- A. detruncata = Megathyris detruncata, brachiopod
- A. furcata = Monia zelandica
- A. nobilis = Monia nobilis
- A. pectinata = Rhynchora pectinata, brachiopod
- A. placenta = Placuna placenta
- A. psittacea = Hemithiris psittacea, brachiopod
- A. reticularis = Atrypa reticularis, brachiopod
- A. retusa Linné, 1758 = Terebratulina caputserpentis, brachiopod
- A. rubra = Kraussia rubra, brachiopod
- A. sella = Placuna quadrangula
- A. squamula = Heteranomia squamula
- A. terebratula = Terebratula terebratula, brachiopod
- A. vitrea = Gryphus vitreus, brachiopod
References
- ^ a b c Ludvigsen, Rolf & Beard, Graham. 1997. West Coast Fossils: A Guide to the Ancient Life of Vancouver Island. pg. 109
- ^ Gofas, S. (2010) Anomia Linnaeus, 1758. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.eu/aphia.php?p=taxdetails&id=137650 Archived 2016-03-04 at the Wayback Machine on 2010-06-06
- ^ "Saddle oyster - Anomia ephippium". The Marine Life Information Network.
- ^ Paleobiology database entry on Anomia
- ^ Patarroyo, Pedro (2016). "Amonoideos y otros macrofósiles del lectoestratotipo de la Formación la Frontera, Turoniano inferior - medio (Cretácico Superior) en San Francisco, Cundinamarca (Colombia)" (PDF). Boletín de Geología, Universidad Industrial de Santander. 38: 41. Retrieved 2017-04-04.
- ^ Moore, R.C., ed. (1965). Brachiopoda. Treatise on Invertebrate Paleontology. Vol. Part H., Volume 1 and 2. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. ISBN 0-8137-3015-5.
- ^ Moore, R.C.Paleontological Institute (ed.). Part N, Mollusca 6, vol. 1 & 2. Treatise on Invertebrate Paleontology. Archived from the original on 9 October 2016. Retrieved 5 December 2013.
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