Norwegian Red List (2021): Ikke valgtAlle rødlistekategorierData DeficientNear ThreatenedVulnerableEndangeredCritically EndangeredRegionally Extinct
Tholera decimalis (Feathered Gothic) Øyvind Stickler (2010-08-16)
Tholera decimalis (Feathered Gothic) Svein Bekkum (2010-08-13)