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Pinnidae - Wikipedia
The Pinnidae are a taxonomic family of large saltwater clams sometimes known as pen shells. They are marine bivalve molluscs in the order Pteriida. 展开
Shell descriptionThe shells of bivalves in this family are fragile and have a long and triangular shape, and in life the pointed end is … 展开
- The pen shell (Atrina rigida) has two thin-walled, fan-shaped shells and is one of the largest bivalves (two shells) in the world, reaching lengths up to 10 inches (250 millimeters).了解详细信息：The pen shell (Atrina rigida) has two thin-walled, fan-shaped shells and is one of the largest bivalves (two shells) in the world, reaching lengths up to 10 inches (250 millimeters).myfwc.com/research/saltwater/mollusc/other-mollu…Pinna bicolor, also known as razorfish, razor clam, or pen shell, is a species of large saltwater clam in the family Pinnidae. It is commonly found in shallow waters up to 50 m (160 ft) deep.en.wikipedia.org/wiki/Pinna_bicolorPinna nobilis, common name the noble pen shell or fan mussel, is a large species of Mediterranean clam, a marine bivalve mollusc in the family Pinnidae, the pen shells.animalia.bio/pinna-nobilis
Pen Shells | FWC - Florida Fish and Wildlife Conservation …
Learn about pen shells, one of the largest bivalves in the world, and their distribution, ecology and edibility in Florida waters. Find out how to harvest and consume them safely and where to find …
Pen Shell - Gulf Specimen Marine Laboratory
Pen Shell is a large, brown fan-shaped clam that anchors itself with silk threads. It is also known as Atrina rigida or A. serrata and has a triangular shell with a long foot and an orange mantle.
江珧 - 百度百科
- 江珧属于双壳贝,它的贝壳大而薄，前尖后广，呈楔形。表面具有放射肋，肋上有三角形略斜向后方的小棘。颜色淡褐到黑褐，幼时略透明。足丝发状，很发达。它以壳的尖端直立插入泥沙中生活，以足丝固着海底，成群聚集一起时，仿佛是海底的一片石林。它们一经定居以后，就终生不再移动了。江珧以一些单细胞藻类和有机碎屑为主食，它的后闭壳肌很发达，约占体长1/3以上， …
Pinna nobilis - Wikipedia
Pinna nobilis, also known as noble pen shell or fan mussel, is a large and endangered species of Mediterranean clam. It produces sea silk, a rare protein, and hosts symbiotic crustaceans in its …
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Pinna bicolor - Wikipedia
Pinna bicolor, also known as razorfish or pen shell, is a large saltwater clam in the family Pinnidae. It has a thin, elongated triangular shell that can be embedded in mud or seagrass, …
Pinnidae - Pen Shells
Learn about the pen shells, a family of thin, fan-shaped, translucent shells with nacreous layer and long, straight hinge. Find out the characteristics, habitat, distribution and conservation …
Pen Shells of the Pinnidae Family | Mexican Shells.org
Pens of the Pinnidae Family are bivalve mollusks which are known in Mexico as callo de hacha and also known as Fans. The shells are shaped like a long triangle or wedge that are equivalved (equal in size and shape).
The Stiff Pen Shell - shellmuseum
2014年1月31日 · Storm winds and waves remove the live, dark-shelled bivalves from the bottom, depositing them in large quantities on the beaches. Pen shells anchor themselves to the sandy bottom using a bundle of silky fibers called a …
Stiff Pen Shell (Atrina rigida) - ThoughtCo
2011年5月24日 · Learn about the stiff pen shell, a mollusk with a triangular shell that attaches to rocks or shells in shallow water. Find out its description, habitat, feeding, conservation, and human uses.
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