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The insect trace fossil Tonganoxichnus from the Middle Pennsylvanian of Indiana: Paleobiologic and paleoenvironmental implications

Ichnos

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Abstract

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.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
The insect trace fossil Tonganoxichnus from the Middle Pennsylvanian of Indiana: Paleobiologic and paleoenvironmental implications
Series title:
Ichnos
Volume
8
Issue:
3-4
Year Published:
1999
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
165
Last page:
175
Number of Pages:
11