Astralium tentoriiforme , common name the common tent shell, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.

The periphery is acutely carinated, above the carina are obscurely longitudinally folded.

The base contains numerous regular concentric squamose lirae.

The short columella is wide and arcuate, sometimes pinkish, terminating in a tubercle below.

[2] This marine species is endemic to Australia and occurs off Queensland to New South Wales.