|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Insecta - Hemiptera
It was recombined as Gerancon petrorum by Scudder (1894); it was recombined as Geranchon petrorum by Scudder (1890), Scudder (1895) and Heie and Wegierek (2011).
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.