First xiphosuran traceway in the middle Muschelkalk facies (Middle Triassic) of the Catalan Basin (NE Iberian Peninsula)
De Jaime-Soguero, Chabier (Institut Català de Paleontologia Miquel Crusafont)
Mujal, Eudald (Institut Català de Paleontologia Miquel Crusafont)
Fortuny, Josep (Institut Català de Paleontologia Miquel Crusafont)
Fecha: |
2020 |
Resumen: |
In the last decade, the first ichnoassamblages from the middle Muschelkalk facies (upper Anisian-middle Ladinian) of the Catalan Basin (NE Iberian Peninsula) have been discovered. Herein, the first xiphosuran trace fossils are described from the locality of Penya Rubí, a newly discovered ichnosite from the Catalan Basin. The finding opens a window into peri-Tethys ecosystems with coastal influence. The traceway is referred to the ichnogenus Kouphichnium, a locomotion trace attributed to xiphosurans. The traceway preserves telson grooves and different imprint morphologies from the various appendages. The traceway pattern and arrangement of the different traces suggest a crawling locomotion style. The sedimentology suggests a coastal zone with areas influenced by tides (intertidal flat). The morphological variations of the ichnites are correlated to substrate rheology, the locomotion of the tracemaker and environmental conditions. |
Derechos: |
Tots els drets reservats. |
Lengua: |
Anglès |
Documento: |
Article ; recerca ; Versió publicada |
Materia: |
Invertebrate ichnology ;
Kouphichnium ;
Telson ;
Middle Triassic ;
Coastal palaeoenvironment |
Publicado en: |
Spanish Journal of Paleontology, 2020 , ISSN 2255-0550 |
DOI: 10.7203/sjp.35.2.18483
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