Articles | Volume 21, issue 1
https://doi.org/10.5194/fr-21-171-2018
https://doi.org/10.5194/fr-21-171-2018
Research article
 | 
07 Jun 2018
Research article |  | 07 Jun 2018

Rostrum size differences between Toarcian belemnite battlefields

Patrícia Rita, Kenneth De Baets, and Martina Schlott

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Latest update: 14 Dec 2024
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Short summary
With the support of CT data, a morphometric analysis was performed with the aim of investigating the rostrum size differences between two Toarcian belemnite accumulations. A decrease in size from the Early Toarcian to the Middle Toarcian is recognized. It is also demonstrated that diameter-based measurements or maximum preserved length are not reliable proxies for rostrum size, and therefore apical length or three-dimensional approximations are more advisable.