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June 14, 2026GeobiosOpen Access

A new macroflora from the Turonian–Coniacian Moreno Hill Formation, New Mexico, USA

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Authors

CCC. CilliersDCDori L. ContrerasRTRyan T. Tucker

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Overview

New macroflora discovered in the Moreno Hill Formation reveals ecosystem changes during the Cretaceous period, suggesting climatic shifts.

Key Points

  • This research aims to describe new macrofloral assemblages from the Moreno Hill Formation, revealing insights into ancient ecosystems.
  • Fieldwork conducted in the Moreno Hill Formation identified new macrofloral assemblages.
  • 116 leaf specimens were analyzed for distinct foliar morphotypes.
  • Sedimentological and leaf physiognomic data were collected to assess past environmental conditions.
  • 18 distinct foliar morphotypes identified from the assemblages, with dicot angiosperms being the most diverse.
  • Two shared conifer morphotypes were found in both lower and upper assemblages.
  • Results indicate similar floodplain woodlands and gradual environmental shifts post-Cretaceous Thermal Maximum.

Cite This Study

Cilliers et al. (2026) studied this question.

synapsesocial.com/papers/6a2e45adb1cc60ccdea8aa09https://doi.org/10.1016/j.geobios.2026.04.002
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