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Keeled scales of a colubrid snake (banded water snake; Nerodia fasciata). In zoology, a scale (Ancient Greek: λεπίς, romanized: lepís; Latin: squāma) is a small rigid plate that grows out of an animal's skin to provide protection.
In his landmark publications, such as the Systema Naturae, Carl Linnaeus used a ranking scale limited to kingdom, class, order, genus, species, and one rank below species. Today, the nomenclature is regulated by the nomenclature codes. There are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, and species.
The title page of Systema Naturae, Leiden (1735). Linnaean taxonomy can mean either of two related concepts: . The particular form of biological classification (taxonomy) set up by Carl Linnaeus, as set forth in his Systema Naturae (1735) and subsequent works.
The following is a list of the classes in each phylum of the kingdom Animalia.There are 107 classes of animals in 33 phyla in this list. However, different sources give different numbers of classes and phyla.
Pangolin parts are also used for medicinal purposes in other Asian countries such as India, Nepal and Pakistan. In some parts of India and Nepal, locals believe that wearing the scales of a pangolin can help prevent pneumonia. [98] Pangolin scales have also been used for medicinal purposes in Malaysia, Indonesia and northern Myanmar.
In biology, taxonomy (from Ancient Greek τάξις () ' arrangement ' and -νομία () ' method ') is the scientific study of naming, defining (circumscribing) and classifying groups of biological organisms based on shared characteristics.
Date/Time Thumbnail Dimensions User Comment; current: 15:09, 5 April 2023: 1,920 × 1,440 (248 KB): Steveoc 86: Add Cooper et al. 2022 estimate, add back in 10.5 m average, add in teeth and vertebrae estimates are based on, add smaller great white and whale shark.
A fish scale is a small rigid plate that grows out of the skin of a fish. The skin of most jawed fishes is covered with these protective scales, which can also provide effective camouflage through the use of reflection and colouration, as well as possible hydrodynamic advantages.