What bass clef primary chords could be used with notes in C major?

The following primary chords can be used in the bass clef with notes in C major:

* C major: C, E, G

* A minor: A, C, E

* F major: F, A, C

* D minor: D, F, A

* G major: G, B, D

Here are some additional chords that could also be used, but are not primary chords:

* C7: C, E, G, B

* A7: A, C, E, G

* F7: F, A, C, E♭

* Dm7: D, F, A, C

* Gm7: G, B♭, D, F