Is this shell called the Marble?

[Tamawalkie]

I don't think it's the right name.

https://www.ebay.com/itm/262358110999?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2648

 

[scottyj200]

that one's called t-yellow swirl (better quality image here)

 

[Hapihapitchi]

It's actually called the Translucent Yellow Swirl.

https://php.scripts.psu.edu/dmh5086/t/v45.php