Genus Longinebela Kosakyan et al., 2016
Diagnosis: Test elongated-pyriform, with a distinct neck, lateral margins (that can be straight or wavy) tapering towards the aperture. Test hyaline or slightly yellowish, composed of circular to elongated shell plates probably recycled from euglyphid testate amoeba prey.
Differential diagnosis: See diagnosis of Gibbocarina.
Type species: L. tubulosa (Penard, 1902) Kosakyan, Lahr, Mulot, Meisterfeld, Mitchell and Lara 2016
Included taxa: All Nebela taxa with an elongated test, such as: N. tubulosa, N. meisterfeldi, N. speciosa and N. golemansky.