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Leptoria irregularis

Veron, 1990

Colonies are submassive or laminar, up to 1.5 metres across. Valleys are 3-4 millimetres wide, usually perpendicular to colony margins, becoming sinuous towards the colony centre. Septa are irregular, with strong teeth. Columellae do not form centres and are not laminar.

Colour: Pale blue-grey to translucent white.

Habitat: Upper reef slopes.

Abundance: Uncommon.

Similar species: Leptoria phrygia , Merulina ampliata , Scapophyllia cylindrica

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Veron (1990a). Additional identification guide: Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Leptoria irregularis.  Ryukyu Islands, Japan.  A large encrusting colony.  Charlie Veron.

Leptoria irregularis. Ryukyu Islands, Japan. A large encrusting colony. Charlie Veron.

Leptoria irregularis.  Ryukyu Islands, Japan.  The common appearance of a small colonies.  Charlie Veron.

Leptoria irregularis. Ryukyu Islands, Japan. The common appearance of a small colonies. Charlie Veron.

Leptoria irregularis.  Philippines.  Valleys at the margin of an encrusting colony.  Charlie Veron.

Leptoria irregularis. Philippines. Valleys at the margin of an encrusting colony. Charlie Veron.

Leptoria irregularis.  Philippines.  Detail of valleys.  Charlie Veron.

Leptoria irregularis. Philippines. Detail of valleys. Charlie Veron.

Leptoria irregularis.  Ryukyu Islands, Japan.  Showing valleys.

Leptoria irregularis. Ryukyu Islands, Japan. Showing valleys.

Leptoria irregularis.  Ryukyu Islands, Japan.  Showing valleys.

Leptoria irregularis. Ryukyu Islands, Japan. Showing valleys.

Leptoria irregularis.  Ryukyu Islands, Japan.  Showing colony surface.

Leptoria irregularis. Ryukyu Islands, Japan. Showing colony surface.