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Showing results for tags 'mississippian period'.
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From the album: MY FOSSIL Collection - Dpaul7
Crinoid Stem in Matrix Fort Payne Formation, Alabama Mississippian Period ca 325,000,000 yrs old A crinoid stem in matrix, with other stem sections. Crinoids are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). The name comes from the Greek word krinon, "a lily", and eidos, "form". They live in both shallow water and in depths as great as 9,000 meters (30,000 ft). Those crinoids which in their adult form are attached to the sea bottom by a stalk are commonly called sea lilies. The unstalked forms are called feather stars or comatulids. -
From the album: MY FOSSIL Collection - Dpaul7
Crinoid Spine in matrix - with Archimedes Bryzoan fronds on background matrix Chesterian Zone of the Bangor Limestone Formation in northern Alabama Mississippian Period ca 325,000,000 yrs old A matrix with a Crinoid Spine. Crinoids are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). The name comes from the Greek word krinon, "a lily", and eidos, "form". They live in both shallow water and in depths as great as 9,000 meters (30,000 ft). Those crinoids which in their adult form are attached to the sea bottom by a stalk are commonly calle -
Hi! I found what may be a large -4-ish concretion at a creek in Crawford County, In. It is different than what I have encountered before. Any thoughts on prep or whether it is worth digging into?
