Characters: Colonies are corymbose clumps with
long tapering branchlets. Axial corallites are
dome-shaped. Radial corallites are strongly
appressed and have nariform openings. ...
Characters: Colonies are subarborescent, with
bottlebrush branches where upright main branches
sometimes form clumps. Axial and incipient axial
corallites may be indistinguish ...
Characters: Colonies form compact bushes up to 0.5
metres across. Axial and incipient axial
corallites are distinctive. Radial corallites are
usually a mixture of sizes and ar ...
Characters: Colonies usually have compact branches
which do not fuse. Upright branches may be tall
and have many perpendicular sub-branches. Axial
corallites are large and dom ...
Characters: Colonies are usually upright compact
bushes, but may form thick plates. Branches are
short and sub-branches are frequent. Axial and
incipient axial corallites are ...
Characters: Colonies are horizontal plates
consisting of flattened branches which usually
diverge fan-wise but which may form an irregular
tangle. Branches usually have a cent ...
Characters: Colonies may be up to one metre across
and consist of wide flat horizontal branches.
These may be very broad and laterally fused to
form a perforated plate. Radial ...
Characters: Colonies are flat plates with short
thick digitate branchlets. Corallites have thick
rounded walls and wide openings. Axial corallites
are indistinct. Radial coral ...
Characters: Colonies are small and caespitose or
corymbose, forming compact bushes. Axial
corallites are dome-shaped and short but
conspicuous. Radial corallites are thick wal ...
Characters: Colonies may be over 2 metres across
and composed of fused cylindrical horizontal
branches with upturned pointed ends. Colonies
usually have a side attachment. Bra ...
Characters: Colonies are horizontal plates,
sometimes tiered. Plates are composed of fused
branches and are almost solid. Branchlets occur
irregularly and are widely spaced. A ...
Characters: Colonies are large horizontal
corymbose plates, usually with well defined
margins. Branches are closely compact and have
short branchlets which are vertical at the ...