DinoDigArnioceras semicostatum
- Time
- 192.9–199.5 million years ago
- Period
- Unknown
- Known sites
- 28
Summary
Arnioceras semicostatum was an extinct marine invertebrate, approximately 192.9–199.5 million years ago. Fossils have been recovered from Chile, United Kingdom, and Germany, notably in the Lower Lias and Blue Lias.
Summary generated from Paleobiology Database records. No Wikipedia article is available yet.
Known Sites
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