Fusulinid
? FusulinidsFossil Range: Silurian - Permian | ||||||
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| Scientific classification | ||||||
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| Superfamilies | ||||||
| Archaediscacea Colaniellacea Earlandiacea Endothyracea Fusulinacea Geinitzinacea Moravamminacea Nodosinellacea Palaeotextulariacea Parathuraminacea Ptychocladiacea Tetrataxacea Tournayellacea |
The fusulinids are an extinct group of foraminiferan protozoa. They produce calcareous shells, which are of fine Calcite granules packed closely together; this distinguishes them from other calcareous forams, where the test is usually hyaline. Fusulinids are important indicator fossils.