Spirifer
| Spirifer | |
|---|---|
| ↑S. perlamellosus, 19mm - pedunculate valve
↓S. striatus: exterior, and interior with lophophore | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
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| Order: | |
| Family: | Spiriferidae |
| Genus: | Spirifer Sowerby 1818 |
| Species | |
|
See text | |
| Synonyms | |
|
Delthyris | |
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.