How to Identify Merulinidae

Merulinidae is a animal family in the Animalia kingdom, order Scleractinia, class Anthozoa. The family contains 26 accepted species worldwide.

Key Identification Features

For instant identification in the field, use the iNature app — AI-powered, works offline.

Representative Merulinidae Species

How to identify Orbicella annularis (Ellis & Solander, 1786)

Orbicella annularis (Ellis & Solander, 1786)

Orbicella annularis (Ellis & Solander, 1786)

Boulder star coral (Orbicella annularis) is an abundant, well-studied Caribbean …

How to identify Platygyra daedalea (Ellis & Solander, 1786)

Platygyra daedalea (Ellis & Solander, 1786)

Platygyra daedalea (Ellis & Solander, 1786)

Platygyra daedalea is a common, aggressive Indo-Pacific stony coral that hosts s…

How to identify Hydnophora rigida (Dana, 1846)

Hydnophora rigida (Dana, 1846)

Hydnophora rigida (Dana, 1846)

Hydnophora rigida, or horn coral, is a common bushy branching coral found on sha…

How to identify Trachyphyllia geoffroyi (Audouin, 1826)

Trachyphyllia geoffroyi (Audouin, 1826)

Trachyphyllia geoffroyi (Audouin, 1826)

Trachyphyllia geoffroyi, the open brain coral, is a small free-living coral foun…

How to identify Oulophyllia crispa (Lamarck, 1816)

Oulophyllia crispa (Lamarck, 1816)

Oulophyllia crispa (Lamarck, 1816)

Oulophyllia crispa is a zooxanthellate stony coral native to the tropical centra…

How to identify Coelastrea aspera (Verrill, 1866)

Coelastrea aspera (Verrill, 1866)

Coelastrea aspera (Verrill, 1866)

Coelastrea aspera is a Indo-Pacific hermaphroditic zooxanthelate coral that demo…

How to identify Paragoniastrea australensis (Milne Edwards & Haime, 1857)

Paragoniastrea australensis (Milne Edwards & Haime, 1857)

Paragoniastrea australensis (Milne Edwards & Haime, 1857)

Paragoniastrea australensis is a variable-coloured stony coral widespread in sha…

How to identify Hydnophora exesa (Pallas, 1766)

Hydnophora exesa (Pallas, 1766)

Hydnophora exesa (Pallas, 1766)

Hydnophora exesa, commonly called Horn or Spine coral, is a coral in genus Hydno…

How to identify Favites pentagona (Esper, 1790)

Favites pentagona (Esper, 1790)

Favites pentagona (Esper, 1790)

Favites pentagona is an aggressive simultaneous hermaphrodite zooxanthellate sto…

How to identify Goniastrea stelligera (Dana, 1846)

Goniastrea stelligera (Dana, 1846)

Goniastrea stelligera (Dana, 1846)

Goniastrea stelligera (knob coral) is a near-threatened stony coral found in sha…

How to identify Orbicella faveolata (Ellis & Solander, 1786)

Orbicella faveolata (Ellis & Solander, 1786)

Orbicella faveolata (Ellis & Solander, 1786)

Orbicella faveolata is a large reef-building coral found in Caribbean and Gulf o…

Browse all 26 Merulinidae species →

Frequently Asked Questions

How do you identify Merulinidae?

Merulinidae animals belong to the Scleractinia order in the Animalia kingdom. annularis is actually a complex of at least three distinct species: O. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Merulinidae?

Merulinidae is classified in the order Scleractinia, class Anthozoa, phylum Cnidaria. A distinct raised ridge called the columella runs through the centre of each valley.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

Start Exploring Nature Today

Download iNature for free. 10 identifications on us. No account needed. No credit card required.

Download Free on App Store