Psammocora decussata
Yabe and Sugiyama, 1937
Description: Colonies have irregularly flattened to subcylindrical branches. Corallites are superficial, with coarsely beaded petaloid septa.
Color: Dark grey.
Habitat: Rocky foreshores.
Abundance: Rare.
Similar Species: Psammocora contigua has smaller and more superficial corallites. See also P. obtusangula.
Source reference: Veron (2000). Taxonomic reference: Yabe and Sugiyama’s original description/specimens. Identification guide: Nishihira and Veron (1995).
Skeletal detail. Corallite detail. Drawing: Geoff Kelly