Ostromia/Archaeopteryx Haarlem Specimen

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What used to be the Archaeopteryx Haarlem specimen, now the holotype of Ostromia crassipes. The only known anchiornithid outside of China. A very fragmentary skeleton. But the bones that are present are very well preserved. There are even impressions of the wing feathers.

On display in the Teylers Museum in Haarlem, Netherlands. Specimen number TM 6926 and 6928

Found in the Painten formation, Germany.