- Trachydiacrodium legiminiforme
- Trachydiacrodium maximum
- Trachydiacrodium nanjiangense
- Trachydiacrodium ovale
- Trachydiacrodium productum
- Trachydiacrodium scabratum
- Trachydiacrodium signatum
- Trachydiacrodium sp
- Trachydiacrodium sp. Stro.& Trav.,1979
- Trachydiacrodium sp.1
- Trachydiscina
- Trachydiscina sp
- Trachydium sp
- Trachyhystrichosphaera
- Trachyhystrichosphaera aimika
- Trachyhystrichosphaera anelpa
- Trachyhystrichosphaera bothnica
- Trachyhystrichosphaera crassispina
- Trachyhystrichosphaera cyathophora
- Trachyhystrichosphaera hystricosa
- Trachyhystrichosphaera magna
- Trachyhystrichosphaera megalia
- Trachyhystrichosphaera membranacea
- Trachyhystrichosphaera parva
- Trachyhystrichosphaera polaris
- Trachyhystrichosphaera simica
- Trachyhystrichosphaera sp
- Trachyhystrichosphaera sp. Knol.,1992
- Trachyhystrichosphaera sp. Tynn.& Donn.,1980
- Trachyhystrichosphaera sp. Zang & Walt.,1992
- Trachyhystrichosphaera sp.A
- Trachyhystrichosphaera sp.A Cott.,1997
- Trachyhystrichosphaera sp.B Cott.,1997
- Trachyhystrichosphaera stricta
- Trachyhystrichosphaera triangula
- Trachyhystrichosphaera tribulosa
- Trachyhystrichosphaera truncata
- Trachyhystrichosphaera vidalii
- Trachymarginata
- Trachymarginata aberrantis
- Trachymarginata crustosa
- Trachymarginata delicata
- Trachymarginata globulosa
- Trachymarginata grumulosa
- Trachymarginata memorabilis