Lodderia novemcarinata is a minute, sea snail or micromollusc, a marine gastropod mollusc in the family Skeneidae.

The small white shell has a depressed suborbicular shape.

It shows nine acute, spiral keels on the body whorl (of which the sutural and the inner umbilical keels are but weakly developed).

The shell is minutely radiately, very closely striate, giving it a shagreened and silky appearance The growth lines in the interstices are apparent.

[2] This species occurs in the Arabian Sea off Muscat, Oman, in the northwest Indian Ocean and in the Red Sea.