- Acritarch form 1 Visa.et al,1976
- Acritarch form 2
- Acritarch form 2 Visa.et al,1976
- Acritarch form 3 Visa.et al,1976
- Acritarch form 4 Visa.et al,1976
- Acritarch form 5 Visa.et al,1976
- Acritarch form 6 Visa.et al,1976
- Acritarch form a
- Acritarch form a Cram.,1968
- Acritarch form a Snap.,1992
- Acritarch form b
- Acritarch form c
- Acritarch forma a
- Acritarch forma b
- Acritarch forma e Stra.,1993