Location: Booker Rocks (Jurien Bay, WA)

Habitat: Subtidal reef, 5 m

Location: Jurien Bay (WA)

Habitat: Subtidal reef, 5 m

Location: Booker Rocks (Jurien Bay, WA)

Habitat: Subtidal reef, 5 m

Location: Jurien Bay, (WA)

Habitat: Subtidal reef, 5 m

Phyllacanthus irregularis
Western slate pencil urchin

 

Phylum: Echinodermata

Class: Echinoidea

Subclass: Cidaroidea

Order: Cidaroida

Family: Cidaridae

Subfamily: Cidarinae

Genus: Phyllacanthus

Species: irregularis

 

 

Similar species:
Phyllacanthus parvispinus