Category:Spiral galaxies

This contains all spiral galaxies. Additionally:


 * SA galaxies should also be categorized under Category:Unbarred spiral galaxies
 * SB galaxies should also be categorized under Category:Barred spiral galaxies
 * SAB galaxies (intermediate morphology) should also be categorized under Category:Intermediate spiral galaxies

Lenticular galaxies (S0, SA0, SAB0, SB0, E8) are categorized under Category:Lenticular galaxies. Irregular galaxies (as well as Sm and SBm galaxies) are categorized under Category:Irregular galaxies.