Tasmidella

{{Short description|Genus of fungi}}

{{Automatic taxobox

| image =

| image_caption =

| taxon = Tasmidella

| authority = Kantvilas, Hafellner & Elix (1999)

| type_species = Tasmidella variabilis

| type_species_authority = Kantvilas, Hafellner & Elix (1999)

}}

Tasmidella is a lichen genus in the family Ramalinaceae.{{cite web |title=Tasmidella |url=https://www.catalogueoflife.org/data/taxon/7SZ7 |access-date=21 October 2022 |publisher=Catalogue of Life}} Circumscribed by Gintaras Kantvilas, Josef Hafellner, and John A. Elix in 1999, it contains the single species Tasmidella variabilis, found in Tasmania. It is distinguished from the closely related genus Megalaria by having simple spores with a layered wall.