|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
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.
|W. Hantzschel 1975||Fillings of cylindrical burrows with external longitudinal striation (10 to 12 striae), faint transverse sculpture inside; diameter (max) about 5 mm, thickness of walls 1 mm.|