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Hajar | profile | all galleries >> Palaeogalleries >> Blastoids tree view | thumbnails | slideshow

Blastoids

Decaschisma pentalobus, 23 mm blastoid, Waldron Shale Formation, Shelby County, Illinois Troosticrinus reinwardti, a 21 mm blastoid from the Brownsport Formation of Decatur County, Tennessee Stephanocrinus angulatus, unusual coronoid echinoderm showing fine ornament from the Rochester Shale of Middleport, New York Placoblastus obvatus, 44 mm, Thunder Bay Formation, Devonian, Alpena, Michigan
Heteroschisma, Devonian, Michigan Codaster acutus blastoid from Settle, Yorkshire Codaster acutus blastoid from Settle, Yorkshire Orbitremites blastoid, Grassington, Yorkshire
Pentremites godoni from Kentucky showing amazing colour pattern A very large (47 mm) blastoid, Pentremites maccalliei, Oakvale, West Virginia USA Pentremites welleri.jpg Metablastus blastoid, 11 cm along curve, Edwardsville Formation, Crawfordsville, Indiana.
Metablastus blastoid, 11 cm along curve, detail, Edwardsville Formation, Crawfordsville, Indiana.