Cactus id

[eplants02]

Hey all,
I picked this cacti up in the market today and I need some help identifty it. I think its a brain cactus but quite not sure.

Anyway here's a pic:

Any clue, what this is

 

[superimposedhope]

Hey there,

Mammalaria elongata var. cristata

It does have a common name of "Brain Cactus"

Joe

 

[tink]

Joe is so good on Cacti-Information.

 

[eplants02]

hey joe,

thanks.