DinoDigPolyptychites (Polyptychites) keyserlingi
- Time
- 132.6–143.1 million years ago
- Period
- Unknown
- Known sites
- 15
Summary
Polyptychites (Polyptychites) keyserlingi was an extinct marine invertebrate, approximately 132.6–143.1 million years ago. Fossils have been recovered from Greenland, Russia, and Canada, notably in the Palnatokes Bjerg and Bluish Grey Shale.
Summary generated from Paleobiology Database records. No Wikipedia article is available yet.
Known Sites
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