Selaginella and Desfontainia, are what kind of item?
Desfontainia Desfontainia is a genus of flowering plants placed currently in the family Columelliaceae, though formerly in Loganiaceae, Potaliaceae (now subsumed in Gentianaceae), or a family of its own, Desfontainiaceae.
Fluxinella membranacea Fluxinella membranacea is a species of extremely small deep water sea snail, a marine gastropod mollusk in the family Seguenziidae.