Ancient Seas, Paleozoic period, ca. 300 to 400 million years ago. A fantastic specimen that shows off a group of well-preserved fossilized brachiopods and a sizable piece of fossilized coral all displayed on a stone matrix. These brachiopods, a type of prehistoric clam, are positioned as they might have looked when in a colony comprised of dozens of other calms crowded together amongst coral on an ancient seabed of shale. The individual ridges of many of the shells are largely intact, as are partial shell fragments and impressions that are also imbedded in the stone surface. The top of the coral has an abrasion that reveals some of the interior crystalized quartz, a result of the fossilization process. Brachiopods are a type of clam with two shells, or valves, that died out during the Triassic extinction, but have over 400 living relatives in the clam and mollusk family today! Size: 7" L x 5" W x 2.5" H (17.8 cm x 12.7 cm x 6.4 cm)
Display stand shown in photos is for photography purposes only.
Provenance: ex-Stein collection, Bloomfield Hills, Michigan, USA, acquired prior to 2010
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#164112
Condition
Two complete shells are reattached with adhesive to matrix. Stable cracks and fissures to matrix and shells. Losses to tips of coral. Chips and nicks to clam shells. Earthen and mineral deposits on stone matrix.