Capsospongia, formerly known as Corralia or Corralio, is a middle Cambrian sponge genus known from 3 specimens in the Burgess shale.

It has a narrow base, and consists of bulging rings which get wider further up the sponge, resulting in a conical shape.

Its open top was presumably used to expel water that had passed through the sponge cells and been filtered for nutrients.

In 1955, de Laubenfels renamed the genus Corralio, adopting an incorrect spelling of Corralia Walcott had used.

In 1911, Walcott had named two taxa, Peytoia and Laggania, which he interpreted as a jellyfish and a sea cucumber respectively.