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The bicolor cup coral (Phacelocyanthus flos) consists of contiguous "clusters" of small (0.5 - 1.5 cm) corallites whose skeleton is connected by a common base.
The corallites are usually separated by a distance equal to the diameter of the grown calvaria.
De largest coral examined has a diameter of 13.7 x 11.5 mm and a height of 17.0 mm.
The upper quarter of the corallum, including all septa, is usually dark brown or reddish brown; however, some specimens and colonies are completely white.
the paliandcolumella are always white; the lower three-fourths of the corallum are white or a lighter shade of brown.
The Colombian specimens show the triangular paliform lobes typical of this species.
Many of the specimens examined there have a completely white corallum and thus belong to the minority group; a white color has been described for only about 25% of the specimens examined.
The septa are arranged in six systems and four cycles.
This species lives attached and encrusting the underside of overhangs, cave ceilings and hard structures at depths of 20 - 355 meters.
Synonym: Paracyathus flos Pourtalès, 1878
The corallites are usually separated by a distance equal to the diameter of the grown calvaria.
De largest coral examined has a diameter of 13.7 x 11.5 mm and a height of 17.0 mm.
The upper quarter of the corallum, including all septa, is usually dark brown or reddish brown; however, some specimens and colonies are completely white.
the paliandcolumella are always white; the lower three-fourths of the corallum are white or a lighter shade of brown.
The Colombian specimens show the triangular paliform lobes typical of this species.
Many of the specimens examined there have a completely white corallum and thus belong to the minority group; a white color has been described for only about 25% of the specimens examined.
The septa are arranged in six systems and four cycles.
This species lives attached and encrusting the underside of overhangs, cave ceilings and hard structures at depths of 20 - 355 meters.
Synonym: Paracyathus flos Pourtalès, 1878
