Gessella

{{Short description|Extinct genus of liverworts}}

{{Use dmy dates|date=November 2024}}

{{Automatic taxobox

| fossil_range = Early Permian

| image =

| taxon = Gessella

| authority = C.Poulsen

| type_species = Gessella communis

| type_species_authority = C.Poulsen

| subdivision_ref = {{Cite bryonames|genus=†Gessella|access-date = 21 November 2024}}

| subdivision =

{{Linked species list

| †Gessella communis | C.Poulsen

| †Gessella striata | C.Poulsen

}}

}}

Gessella is a fossil genus of liverworts in the family Haplomitriaceae.{{cite book | last = Oostendorp | first = Cora | year = 1987 | title = The Bryophytes of the Palaeozoic and the Mesozoic | pages = 35–36 | series = Bryophytorum Bibliotheca 34 | isbn = 3-443-62006-X }} Fossils were found in Early Permian deposits of Western Sealand.{{Cite journal

| last1 = Paulsen | first1 = Christian

| date = 1974

| title = Further contributions to the knowledge of the Palaeozoic of Slagelse no. 1, Western Sealand

| volume = 101

| journal = Danmarks Geologiske Undersøgelse II. Række

| publisher = Geological Survey of Denmark

| doi = 10.34194/raekke2.v101.6892

| doi-access = free

| lang = en

}}