WebThe non-nacreous structure that characterizes the bulk of the shell also shows a wonderful mosaic or cellular pattern (figure 4, left) found in most of the pearls produced by this mollusk. These cells often vary from shell to … Pinna nobilis, whose common name is 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. It reaches up to 120 cm (4 ft) of shell length. It produces a rare manganese-containing porphyrin protein known as pinnaglobin. See more The bivalve shell is usually 30–50 cm (1.0–1.6 ft) long, but can reach 120 cm (4 ft). Its shape differs depending on the region it inhabits. Like all pen shells, it is relatively fragile to pollution and shell damage. It attaches … See more This species is endemic to the Mediterranean Sea, where it lives offshore at depths ranging between 0.5 and 60 m (1.6 and 196.9 ft). It … See more • Live specimen of P. nobilis, looking into the shell from above • Pinna nobilis: shell and byssus • The very fine byssus threads of P. nobilis • Shell of Pinna nobilis See more • Hill, John E. 2004. The Peoples of the West. A draft annotated translation of the 3rd century Weilüe – see Section 12 of the text and Appendix D. • Laufer, Berthold. 1915. "The Story of the Pinna and the Syrian Lamb", The Journal of American Folk-lore … See more This species is the origin of sea silk, which was made from the byssus of the animal. See more In 2016, there was an outbreak of a disease that caused the mortality of 99% of its population in Spain. The cause of the disease is a newly … See more • List of animals that produce silk See more
Pinna rudis (Rough Pen Shell) - Atlantis Gozo
WebCallomon, P. (2024). Pinna evexa, a new species of pen shell (Bivalvia: Pinnidae) from Indonesia and the Philippines. The Nautilus. 137(1): 7-23. ガイノイド ボカロ
Ear cartilage pain (auricular chondritis): Causes, …
WebHigh-resolution samples from the external shell surface of Pinna nobilis showed spatial and temporal variations in δ ¹⁵ N CBOM values, with temporal resolution of 1–3 weeks. WebThe ear is shaped like the letter C, formed by the helix and the earlobe. Inside the C is the letter Y, formed by the antihelix and the superior and inferior crura. The central part of the ear is shaped like a conch sea … WebNov 15, 2024 · The pen shell, Pinna bicolor is the species of bivalve mollusc that lives in the soft bottoms of seagrass regions, muddy area, sandy area as well as in the coral regions. … ガイノイド なろう