Shell small, thin, long and narrow, parallel sided ; apex near the front end. Surface sculptured with close radiating riblets. Color yellowish-brown, darker toward the margins and on the front slope. Length 7, breadth 1,5 mm., alt. 2 mm.

Smaller and narrower than T. depicta, the surface radiately ribbed and not variegated. The sculpture is quite distinct under a lens of moderate power.

Monterey, Santa Barbara and San Diego, California.