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the 18-inch layer
Size: L84cm W70cm H8cm
The outer bones of this species are smooth
the amount of groundwater it was exposed to
but it contains more iron oxide than any other variety of quartz
Riesenseelilie Seirocrinus subangularis | Holzmaden, Deutschland ochres the 18-inch layerOrigin: Holzmaden, Germany Size: H345cm W242cm D13cm Length of the fossil: 340 cm Age: Jurassic, Lias Epsilon, about 180 million years. Description: An exceptionally large colony of the crinoid Seirocrinus subangularis attached to fossil driftwood. With a fossil length of an impressive 340 cm and over 100 preserved crowns, this specimen represents one of the most impressive finds of its kind. The combination of exceptional size (H 345 cm, W 242 cm, D