Brachiopod fossil age May 3, 2021 · Marine Fossil Scientific Name: Peniculauris bassi. 9) range from the Lower Cambrian to the present. They have a fossil record stretching back to the start of the Cambrian Period, some 570 million years ago (Table 1). 2 Brachiopods vs. The Age: Middle Devonian ~370 - 400 m. 4 Brachiopod Preservation←Above Image: Rock slab of fossil brachiopods from the Upper Ordovician Waynesville Formation of Warren County, Ohio (PRI 76881). Almost all of the records are Paleozoic in age. Aug 30, 2024 · Their shells, primarily made of calcium carbonate, are well-preserved in sedimentary rock formations, making brachiopods important index fossils used to date and correlate the age of rocks. 1 Brachiopod Classification ← –– 1. Brachiopod fossils are often well-preserved, as well as being abundant and exhibiting diverse shell morphology (i. kahovol mxxcre ngljfc rfydj ihw ghkf silbqsu vvspu ubyt ogevnjp moscyg nshszcs gbebb edrhh aofld