Early conch morphology of a gigantic Cretaceous ammonoid, Pachydesmoceras denisonianum (Desmoceratidae)

Gigantic ammonoids, with conch diameters exceeding 1 m, remain one of the most enigmatic groups of extinct organisms. Their paleoecology has been the subject of ongoing debate, with some uncertainties arising from preservation biases, especially of an early conch. This study focuses on an exceptiona...

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Bibliographic Details
Main Author: Ryoji Wani
Format: Article
Language:English
Published: PeerJ Inc. 2025-05-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/19488.pdf
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