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Cirsotrema crassicostatum
Taxonomy
Scalaria crassicostatum was named by Deshayes (1839) [DISTRIBUTION: Early Miocene; Europe.]. It is not a trace fossil.
It was recombined as Cirsotrema crassicostatum by Cossmann and Peyrot (1921), Harzhauser (2002).
It was recombined as Cirsotrema crassicostatum by Cossmann and Peyrot (1921), Harzhauser (2002).
Sister species lacking formal opinion data