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Hajar | profile | all galleries >> Palaeogalleries >> North American Ordovician >> Big Hill Biota tree view | thumbnails | slideshow

Big Hill Biota

A fascinating Late Ordovician marginal marine biota from Michigan, USA. These specimens were found by Ron Meyer and very kindly provided in exchange.
Hoplitaspis hiawathae, 58 mm chasmataspidid, ventral view Hoplitaspis detail showing paddle-like Appendage VI and the other proximal appendages in ventral view Medusoid Conchopeltis, 22 mm
Medusoid Conchopeltis, 32 mm Medusoid Conchopeltis, 13 mm Linguloid brachiopods

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