
Location: Jurien Bay (WA)
Habitat: Subtidal reef, 5 m

Location: Spring Beach (Mercury Passage, TAS)
Habitat: Subtidal reef, 5 m

Location: Hogan Island (Bass Straight, TAS)
Habitat: Subtidal reef, 5 m

Location: Green Bluff (Mercury Passage, TAS)
Habitat: Subtidal reef, 5 m

    Location:  Tinderbox (Greater Hobart, TAS) 
Habitat: Subtidal reef, 5 m
Location: Terrigal Skillion (Central Coast, NSW)
Habitat: Subtidal reef, 4 m
Heliocidaris erythrogramma 
 
  Purple sea urchin
Phylum: Echinodermata
Class: Echinoidea
Order: Echinoida
Family: Echinometridae
Genus: Heliocidaris
Species: erythrogramma
Similar species:
    Heliocidaris tuberculata