Grouping: Cnidarian,
Anthozoan, Tabulatan,
Favositinan.
Informal ID: Honeycomb
coral.
Fossil size: 5cm/2in across
Reconstructed size: Variable,
up to 40cm/16In.
Habitat: Sea floor.
Time span: Ordovician to
Perrruan, 500-250 million
years ago, gradually
becoming less common.
Main fossil sites. WorldWide.
Occurrence: