Tancredia

Genus recognized by United Kingdom Species List, South Pacific Species List, New Zealand Species List, Mexico Species List, Canada Species List, United States Species List, and PBDB in DwCA

Genus recognized by GBIF classification and World Register of Marine Species

Subgenus recognized by PBDB in DwCA

Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Tancredia Lycett, 1850)

Harvest ancestor according to GBIF classification and PBDB in DwCA