Help with identification, please

[Giannissimo]

I bought these three babies a few days ago, but not sure what they are. They are all quite small, so I'm not sure if they can even be identified properly at this stage.

1. I think this is a Mammillaria vetula subs. gracilis cv. Arizona Snowcap but not quite sure:



2.



3.

[iann]

1. Yes, 'Arizona Snowcap'
The other two look South American

[Giannissimo]

Thanks Ian!

Here are the sizes of the other two plants:
2. 30mm diameter and 40mm tall
3. 22mm diameter on widest area and 61mm tall