Description
- Asterospongia meniscus
- Mid-Silurian Period
- Tennessee
Asterospongia is a genus of saucer-shaped Silurian fossil sponges having 6-rayed stellate spicules and important as Paleozoic index fossils
Asterospongia is a genus of saucer-shaped Silurian fossil sponges having 6-rayed stellate spicules and important as Paleozoic index fossils