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Crinoids: sea lilies.
Crinoids are commonly known as sea lilies, although they are animals, not plants. Crinoids are echinoderms related to starfish, sea urchins, and feather stars. Many features of crinoids are similar to other members of their phylum. Such features include tubular feet, radial symmetry, a water vascular system, and appendages in multiples of five (pentameral). Most Paleozoic crinoid species attached themselves to substrates on the ocean floor. Crinoids are renowned for their feather-like or tentacle-like appendages, which opened like a flower and captured food particles such as plankton. Although crinoids appeared in the Ordovician (488 million years ago), they survived the Permian mass extinction and diversified into hundreds of species that still survive today. The oldest known crinoids come from the Ordovician, which began about 488 million years ago. Approximately 625 species of crinoids still survive today. They are the descendants of crinoids that survived the mass extinction at the end of the Permian. It is estimated that over 6000 species of crinoids have lived on Earth.
Silurian Crinoids of Boutschrafin.
Morocco
890mm
€3,500.00 Ex Tax: €3,500.00
This large fossil slab is a paleontological wonder, a jewel of marine biodiversity from the Silurian period. Originating from the Boutschrafin area, near Erfoud, Morocco, the slab encases a marvelous ..
Scyphocrinites Lobolites with Trilobites
43cm
€1,250.00 Ex Tax: €1,250.00
This fossil slab is a true paleontological treasure, uniting two spectacular representatives of ancient fauna: the Loboliths and the Trilobites. The Loboliths, better known as Scypocrinites, are crino..
Wonder of the Scyphocrinites Elegans Crinoids.
Morocco
820mm
€2,750.00 Ex Tax: €2,750.00
A large fossil slab of exceptional beauty, it is a true paleontological treasure of Silurian marine life. Originating from the locality of Boutschrafin, near Erfoud in Morocco, this slab presents an e..
Fossil Slab with Large Crinoid.
Morocco
393mm
€375.00 Ex Tax: €375.00
A beautifully preserved crinoid of the species Scyphocrinites Elegans from the Silurian age, originating from Boutschrafin, Erfoud, Morocco. Like virtually all crinoids from this location, the rock ha..
Silurian Crinoids of Boutschrafin.
Morocco
890mm
€3,500.00 Ex Tax: €3,500.00
This large fossil slab is a paleontological wonder, a jewel of marine biodiversity from the Silurian period. Originating from the Boutschrafin area, near Erfoud, Morocco, the slab encases a marvelous ..
Scyphocrinites Lobolites with Trilobites
43cm
€1,250.00 Ex Tax: €1,250.00
This fossil slab is a true paleontological treasure, uniting two spectacular representatives of ancient fauna: the Loboliths and the Trilobites. The Loboliths, better known as Scypocrinites, are crino..
Wonder of the Scyphocrinites Elegans Crinoids.
Morocco
820mm
€2,750.00 Ex Tax: €2,750.00
A large fossil slab of exceptional beauty, it is a true paleontological treasure of Silurian marine life. Originating from the locality of Boutschrafin, near Erfoud in Morocco, this slab presents an e..
Fossil Slab with Large Crinoid.
Morocco
393mm
€375.00 Ex Tax: €375.00
A beautifully preserved crinoid of the species Scyphocrinites Elegans from the Silurian age, originating from Boutschrafin, Erfoud, Morocco. Like virtually all crinoids from this location, the rock ha..