DISCOVERY OF AMMONOID JAW APPARATUS AND ASSOCIATED FEATURES USING REFLECTANCE TRANSFORMATION IMAGING (RTI)

We report on remains of the buccal apparatus and possible associated structures for the Late Cretaceous ammonite Maorites seymourianus from the López de Bertodano Formation (Antarctic Peninsula). This is the first description of these structures for the family Kossmaticeratidae. Further, we discuss...

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Bibliographic Details
Published in:Publicación Electrónica de la Asociación Paleontológica Argentina
Main Authors: Daniel Andrés Morón-Alfonso, Marcela Cichowolski, René Hoffmann, Maricel Gabriela Rodríguez
Format: Article in Journal/Newspaper
Language:English
Spanish
Published: Asociación Paleontológica Argentina 2023
Subjects:
Ammonoidea
Maorites
seymourianus
Antarctica
Buccal
Apparatus
Fossil man. Human paleontology
GN282-286.7
Paleontology
QE701-760
Antarctic
Antarctic Peninsula
Antarc*
Online Access:https://doi.org/10.5710/PEAPA.28.12.2022.430
https://doaj.org/article/dbbf16c03d29494f8090c24a227260be
Description
Summary:We report on remains of the buccal apparatus and possible associated structures for the Late Cretaceous ammonite Maorites seymourianus from the López de Bertodano Formation (Antarctic Peninsula). This is the first description of these structures for the family Kossmaticeratidae. Further, we discuss the most likely taphonomic processes taking place that allowed this exceptional preservation. Reflectance Transformation Imaging (RTI) technique was employed in this work to better document the faint structures. We briefly provide a review of this method and its potential importance for paleontological studies because it seems that this powerful technique has been largely overlooked by paleontologists.

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