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Nut Clam
Nuculidae is a family (biology), family of small seawater, saltwater clams in the order (biology), order Nuculida. Species in this family are commonly known as nut clams. The nomenclature of the Western European species in this family is still uncertain. Their systematics has been based mainly on their feces.WoRMS (2011). Nuculidae. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=204 on 2011-05-04 Genera * ''Acila'' H. Adams and A. Adams, 1858 * ''Adrana (bivalve), Adrana'' Adams and Adams, 1858 * ''Austronucula'' Arthur William Baden Powell, Powell, 1939 * ''Brevinucula'' Johannes Thiele (zoologist), Thiele, 1934 * ''Condylonucula'' D.R. Moore, 1977 * ''Ennucula'' Tom Iredale, Iredale, 1931 *'' Lamellinucula'' Schenck, 1944 * ''Leionucula'' Quenstedt, 1930 † * ''Linucula'' Marwick, 1931 * ''Neonucula'' Lan & Lee, 2001 * ''Nucula'' Lamarck, 1799 * ''Pronucula'' Hedley, 1902 * ''Sinonucula'' Xu, 1985 ;Genera br ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paleozoic
The Paleozoic (or Palaeozoic) Era is the earliest of three geologic eras of the Phanerozoic Eon. The name ''Paleozoic'' ( ;) was coined by the British geologist Adam Sedgwick in 1838 by combining the Greek words ''palaiós'' (, "old") and ''zōḗ'' (), "life", meaning "ancient life" ). It is the longest of the Phanerozoic eras, lasting from , and is subdivided into six geologic periods (from oldest to youngest): # Cambrian # Ordovician # Silurian # Devonian # Carboniferous # Permian The Paleozoic comes after the Neoproterozoic Era of the Proterozoic Eon and is followed by the Mesozoic Era. The Paleozoic was a time of dramatic geological, climatic, and evolutionary change. The Cambrian witnessed the most rapid and widespread diversification of life in Earth's history, known as the Cambrian explosion, in which most modern phyla first appeared. Arthropods, molluscs, fish, amphibians, reptiles, and synapsids all evolved during the Paleozoic. Life began in the ocean bu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
