A Batrachichnus salamandroides trackway from the Minto Formation of central New Brunswick, Canada: implications for alternative trackmaker interpretations
DOI:
https://doi.org/10.4138/atlgeo.2022.010Abstract
A new specimen of Batrachichnus salamandroides was recovered from a recently discovered fossil-bearing
site situated along the southern shore of Grand Lake, New Brunswick, among a diverse ichnofaunal assemblage
from the Middle Pennsylvanian (upper Bolsovian; lower Moscovian), upper Minto Formation. The identity of
the tracemaker of this ichnogenus is reinterpreted as a composite of various late Paleozoic tetrapod taxa, based
on similarities of the postcranial skeletons, notably that of the manus and pes, of both temnospondyls and some
“microsaurs”. These results indicate that the tracemaker of the monospecific ichnogenus Batrachnichus is not
limited solely to a temnospondyl tracemaker, as previously interpreted, and that some “microsaurs” should also
be considered among tracemaker candidates for this ichnotaxon.
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