Holoaster

1. Test shape- heart shaped, flattened
2. Apical system-central
3. Corona-ambulacra large, single, pores present, rounded , elongated 
4. Inter ambulacra with small tubercles and granules
5. Peristome-irregular
6. Ecology-shallow water, marine
7. Range in time-Upper Cretaceous to Present
8. Indian horizon-Cretaceous of Central Tibet