Biarmopteris Zalessky, 1937 † (verified source for family)
Biarmopteris Zalessky, 1937 † (current name source)
Cheirocladaceae S.V. Naugolnykh, 2007 † (original description)
Cheirocladaceae S.V. Naugolnykh, 2007 † (current name source)
Cheirocladaceae S.V. Naugolnykh, 2007 † (basis of record)
Cheirocladaceae S.V. Naugolnykh, 2007 † (extant flag source)
Cheirocladaceae S.V. Naugolnykh, 2007 † (taxonomy source)
Cheirocladus S.V. Naugolnykh, 2007 † (name verified source)
Cheirocladus S.V. Naugolnykh, 2007 † (current name source)
Cheirocladus S.V. Naugolnykh, 2007 † (original description)
Cheirocladus S.V. Naugolnykh, 2007 † (verified source for family)
Cheirocladus S.V. Naugolnykh, 2007 † (habitat flag source)
Cheirocladus S.V. Naugolnykh, 2007 † (basis of record)
Cheirocladus S.V. Naugolnykh, 2007 † (extant flag source)
Dolianitia J.H. Millan, 1967 † (current name source)
Dolianitia J.H. Millan, 1967 † (verified source for family)
Psygmophyllodendron S.V. Naugolnykh, 2007 † (original description)

 Taxonomic remark

 for Cheirocladaceae S.V. Naugolnykh, 2007 †

Assigned to class Ginkgoopsida, order Ginkgoales (?) on description; Novikoff & Barabasz-Krasny, 2015, assign its ... [details]