GyRomastiGidae Doweld, Doweld, 2021

Doweld, Alexander B., 2021, Gyromastix, a new name for Peregrinia Cavalier-Smith, 2011 (Protista: Thaumatomonada) non Peregrinia E. I. Vorobyeva & O. A. Lebedev, 1986 (Pisces Osteolepididae), Zootaxa 5072 (4), pp. 399-400 : 399

Family GyRomastiGidae Doweld fam. nov.

Diagnosis: Cells with oval two-tiered body scales, lacking flagellar scales; scales either symmetric ovals with heavily outturned upper and lower rims ( Gyromitus ) or asymmetric ovals with concave to flat lower surface and convex upper surface with rims more strongly laterally inrolled than at the ends ( Gyromastix ). Flagellar pit apical or not subapical and ventral, or cells so amoeboid as to lack defined shape; flagella not clearly differentiated into anterior and posterior; flagellar gliding unknown; locomotion by swimming or slow amoeboid creeping.

Type genus: Gyromastix nom. nov.

Included genera: Gyromastix nom. nov.; Gyromitus Skuja 1939 .