Eospirifer
Eospirifer is a genus of extinct brachiopod in the class Rhynchonellata (Articulata) and the order Spiriferida. Their fossils occur most commonly in marine calcareous, microbialitic mudstones with extensive mudcracks or shelly packstones, generally mid-Silurian to early-Devonian in age. Select species Eospirifer radiatus Eospirifer dasifiliformis Eospirifer lachrymose Eospirifer praecursor References Silurian brachiopods Devonian brachiopods Prehistoric brachiopod genera Paleozoic brachiopods of Asia Silurian first appearances Early Devonian genus extinctions Fossils of Georgia (U.S. state) Paleontology in New Hampshire Paleozoic life of Ontario Paleozoic life of the Northwest Territories Paleozoic life of Quebec