Entries in the Catalog of original descriptions:
Parent taxon (Protoheterohelix): Biserial throughout, aperture asymmetrically positioned, wall texture smooth.
This taxon: Specimens which cannot be assigned to established species
Last occurrence (top): within (-Ma, top in "Holocene" stage).
First occurrence (base): within (-Ma, base in "Holocene" stage).
Plot of range and occurrence data:
Protoheterohelix sp. compiled by the pforams@mikrotax project team viewed: 28-9-2022
Short stable page link: https://mikrotax.org/pforams/index.php?id=110447 Go to Archive.is to create a permanent copy of this page - citation notes