The insect trace fossilTonganoxichnusfrom the middle Pennsylvanian of Indiana: Paleobiologic and paleoenvironmental implications

Autor:	Luis A. Buatois, Erik P. Kvale, Conrad C. Labandeira, Maria Gabriela Mangano
Rok vydání:	2001
Předmět:	Paleontology biology Permian Rhythmite Ichnotaxon Carboniferous Pennsylvanian Assemblage (archaeology) Monura Trace fossil biology.organism_classification Geology
Zdroj:	Ichnos. 8:165-175
ISSN:	1563-5236 1042-0940
DOI:	10.1080/10420940109380184
Popis:	The ichnogenus Tonganoxichnus, produced by one or more monuran insect taxa, is now recorded from the Middle Pennsylvanian Mansfield Formation of Indiana. Tonganoxichnus is a resting trace that has three important implications. First, it represents a recurrent behavioral pattern in Upper Carboniferous to Lower Permian marginal marine environments of North America. Second, it provides finely resolved anatomical information for axial and appendicular body structures and behaviors that are difficult to determine from body‐fossil material alone. Third, integrated sedimentologic and ichnologic observations indicate that the Tonganoxichnus assemblage, inclusive of other ichnotaxa, is common in tidal rhythmites that were developed under freshwater conditions, probably in the innermost part of estuarine systems, close to or at the fluvioestuarine transition.
Databáze:	OpenAIRE
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