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Productida
Extinct order of brachiopods From Wikipedia, the free encyclopedia
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Productida is an extinct order of brachiopods in the extinct class Strophomenata. Members of Productida first appeared during the Silurian.[1] They represented the most abundant group of brachiopods during the Permian period, accounting for 45-70% of all species. The vast majority of species went extinct during the Permian-Triassic extinction event, though a handful survived into the Early Triassic.[2] Many productids are covered in hollow tubular spines, which are characteristic of the group. A number of functions for the spines have been proposed, including as a defensive mechanism against predators.[3]
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Taxonomy
Following the Treatise[4]
- Suborder Chonetidina
- Superfamily Chonetoidea
- Family Strophochonetidae
- Family Chonostrophiidae
- Family Anopliidae
- Family Eodevonariidae
- Family Chonetidae
- Family Rugosochonetidae
- Family Daviesiellidae
- Superfamily Chonetoidea
- Suborder Productidina
- Superfamily Productoidea
- Family Productellidae
- Family Productidae
- Superfamily Echinoconchoidea
- Family Echinoconchidae
- Family Sentosiidae
- Superfamily Linoproductoidea
- Family Linoproductidae
- Family Monticuliferidae
- Family Shrenkiellidae
- Superfamily Productoidea
- Suborder Strophalosiidina
- Superfamily Strophalosioidea
- Family Strophalosiidae
- Family Chonopectidae
- Family Araksalosiidae
- Superfamily Aulostegoidea
- Family Aulostegidae
- Family Cooperinidae
- Family Scacchinellidae
- Superfamily Richthofenioidea
- Family Richthofeniidae
- Family Hercosiidae
- Family Cyclacanthariidae
- Family Gemmellaroiidae
- Superfamily Strophalosioidea
- Suborder Lyttoniidina
- Superfamily Lyttonioidea
- Family Lyttoniidae
- Family Rigbyellidae
- Superfamily Permianelloidea
- Family Permianellidae
- Superfamily Lyttonioidea
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References
External links
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