Spirifer is a genus of marine brachiopods belonging to the order Spiriferida and family Spiriferidae. Species belonging to the genus lived from the Middle Ordovician (Sandbian) through to the Late Triassic (Carnian) with a global distribution. They were stationary epifaunal suspension feeders.[1]
Spirifer | |
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↑S. perlamellosus, 19mm - pedunculate valve
↓S. striatus: exterior, and interior with lophophore | |
Scientific classification | |
Kingdom: | |
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Family: | Spiriferidae
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Genus: | Spirifer Sowerby 1818
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Species | |
See text | |
Synonyms | |
Delthyris |
As Spirifer has been described early on, since then, many species have been reassigned.[2][3][4]