Wednesday, September 20, 2017


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Paraclavarina (Merulinidae)

Welcome to the Paraclavarina genus landing page. In this section, you will find general information about this genus and tips on how to identify it. If you are looking to confirm an observation made with the Coral Finder, use the image browser below to verify what you saw underwater.  The nature of this genus is highly distinctive, which means that it is unlikely to confuse it with other members of the group.

Vital Statistics

  • 1 species
  • Coral Finder p. 5
  • COTW – Vol 2 p. 374-375


Found in the central Indo-Pacific.

ID Tips

The single species of Paraclavarina forms branching, tangled thickets in protected lagoonal areas.  The branches are faceted with a triangular cross-section that is highly distinctive.  The corallites are located in short, shallow valleys lined along the faceted branch surfaces.

The fused skeletal structures are typical of the Merulinidae family.

(slide show with photos of cross-section, facets etc)

Similar Genera

The Coral Finder lists Paraclavarina in one key group, but the distinctive triangular faceted form makes it easy to differentiate from other branching genera.


Taxonomic Changes

Learning Resources

Coral Hub

  • Merulinidae family page


Suggested Reading – Identification Tools

  • Veron, J. E. N. (1985). Corals of Australia and the Indo-Pacific. Sydney: Angus and Robertson.
  • Veron, J. E. N. (2000). Corals of the World. Melbourne: Australian Institute of Marine Science.
  • Veron, J. E. N., & Pichon, M. (1980). Scleractinia of Eastern Australia.  Part 3, Families Agaraciidae, Siderastreidae, Fungiidae, Oculinidae, Merulinidae, Mussidae, Pectiniidae, Carophylliidae, Dendrophylliidae. Australian Institute of Marine Science Monograph Series, IV, 471.

Suggested Reading – Other Topics