07800 - Wide 3.01 Inch Eocrinoid (Ascocystites) Plate - Lower Ordovician Pathologically deformed specimens Chondrichthyes - Orectolobiformes - Ginglymostomatidae

Chondrichthyes - Orectolobiformes - Ginglymostomatidae

thus placing them closer to the trilobites

Orthoceras oehlerti

It is a perfect example of the dentition of this fearsome Cretaceous crocodiles

07800 - Wide 3.01 Inch Eocrinoid (Ascocystites) Plate - Lower Ordovician Pathologically deformed specimens Chondrichthyes - Orectolobiformes - GinglymostomatidaeAscocystites sp, Barrande 1887 Eocrinoidea Ascocystitida Parent taxon: Ascocystitida according to J. J. Sepkoski 2002 Sister taxa: Cambrocrinus, Eocystites, Eustypocystis, Nolichuckia, Pareocrinus Ecology: stationary intermediate level epifaunal suspension feeder Environments: coastal, transition zone lower shoreface Age range: 460. 9 to 457. 5 Ma Distribution: Ordovician of the Czech Republic, Morocco. Ascocystites sp: Fossilworks (Paleobiology