Characters: Colonies are encrusting or form thick
plates with low irregular ridges. Corallites are
small, shallow, and irregularly distributed.
Primary septo-costae have a pet ...
Characters: Colonies are submassive or laminar.
Corallites are in short valleys. Walls are rounded
although they may have a central ridge. Petaloid
septo-costae are usually sh ...
Characters: Colonies are massive and are primarily
characterised by highly meandering valleys, often
with steep walls. Corallites are distributed
largely independently of the ...
Characters: Colonies are submassive. Corallites
are situated at the bottom of depressions or are
in short non-meandering valleys. Walls have acute
tops. Primary septo-costae a ...
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