Labyrinthocyathus Cairns, 1979

Diagnosis.

Corallum solitary, ceratoid to subcylindrical, and firmly attached. Costae poorly defined or composed of transverse epithecal ridges. Pali absent. Columella well developed and composed of an interconnected maze of lamellar plates.

Type species.

Labyrinthocyathus langae Cairns, 1979, by original designation.