| Colony form |
The general arrangement of corallites within a colony |
plocoid |
Corallites separated by coenosteum |
plocoid.gif |
| Colony form |
The general arrangement of corallites within a colony |
subplocoid |
Corallites sometimes separated by coenosteum |
subcerio.gif |
| Colony form |
The general arrangement of corallites within a colony |
cerioid |
Corallites juxtaposed |
cerioid.gif |
| Colony form |
The general arrangement of corallites within a colony |
meandroid |
Corallites arranged in multiple series |
meandroi.gif |
| Colony form |
The general arrangement of corallites within a colony |
flabelloid |
Corallites arranged in single series |
flabelli.gif |
| Colony form |
The general arrangement of corallites within a colony |
phaceloid |
Corallites separated by void space |
phaceloi.gif |
| Colony form |
The general arrangement of corallites within a colony |
solitary |
Corallum formed by only one individual |
solitary.gif |
| Centers per series |
Numbers of corallites per series or valley |
1-3 |
1-3 centers per series or valley |
fewcent.gif |
| Centers per series |
Numbers of corallites per series or valley |
2-5 |
2-5 centers per series or valley |
medcent.gif |
| Centers per series |
Numbers of corallites per series or valley |
>5 |
>5 centers per series or valley |
manycen.gif |
| Series Length |
The length of a corallite series or valley |
short (<3cm) |
Short series or valleys (<3 cm) |
shortval.gif |
| Series Length |
The length of a corallite series or valley |
medium (2-5cm) |
Medium-length series or valley (2-5 cm) |
medval.gif |
| Series Length |
The length of a corallite series or valley |
long (>5cm) |
Long series or valleys (>5 cm) |
longval.gif |
| Meander series sinuosity |
The curvature of a corallite series or valley |
straight |
Straight series or valleys |
glosa11a.gif |
| Meander series sinuosity |
The curvature of a corallite series or valley |
gently curved |
Gently curved series or valleys |
glosa11b.gif |
| Meander series sinuosity |
The curvature of a corallite series or valley |
sinuous |
Sinuous series or valleys |
glosa11c.gif |
| Colony shape |
The overall shape of a colony |
massive |
Mound-shaped of encrusting colony |
massive.gif |
| Colony shape |
The overall shape of a colony |
branching |
Branching colony |
branchin.gif |
| Colony shape |
The overall shape of a colony |
platy |
Flattened colony with calices on only one side |
plates.gif |
| Colony size |
The overall diameter of a colony |
small (<10cm) |
Colony <10 cm in diameter |
none |
| Colony size |
The overall diameter of a colony |
medium (10-30cm) |
Colony 10-30 cm in diameter |
none |
| Colony size |
The overall diameter of a colony |
large (>30cm) |
Colony >30 cm in diameter |
none |
| Attachment of skeleton |
The attachment of a colony to the substrate |
attached |
Colony attached to substrate |
attached.gif |
| Attachment of skeleton |
The attachment of a colony to the substrate |
free-living |
Colony unattached to substrate |
freeliv.gif |
| Branch distance |
The spacing between branches in a colony (from outside wall to outside wall) |
1-3mm |
Narrow distance between branches |
narbran.gif |
| Branch distance |
The spacing between branches in a colony (from outside wall to outside wall) |
3-5mm |
Wide distance between branches |
widbran.gif |
| Epitheca |
Non-trabecular skeletal sheath along outside colony margin |
well-developed |
Epitheca well-developed |
epiwel.gif |
| Epitheca |
Non-trabecular skeletal sheath along outside colony margin |
reduced |
Epitheca reduced |
epired.gif |
| Epitheca |
Non-trabecular skeletal sheath along outside colony margin |
absent |
Epitheca absent |
epiabs.gif |
| Budding type |
The position of new buds relative to the parent corallite wall |
intramural |
Mostly intramural (within the wall of the parent corallite) |
intramur.gif |
| Budding type |
The position of new buds relative to the parent corallite wall |
extramural |
Mostly extramural (outside of the wall of the parent corallite) |
extramur.gif |
| Budding type |
The position of new buds relative to the parent corallite wall |
none |
None |
budnone.gif |
| Wall development between buds |
The frequency of corallite walls between intramural buds |
always |
Walls always develop between new intramural buds |
glosb2a.gif |
| Wall development between buds |
The frequency of corallite walls between intramural buds |
most |
Walls develop between most new intramural buds (~2/3) |
glosb2b.gif |
| Wall development between buds |
The frequency of corallite walls between intramural buds |
few |
Walls develop between a few new intramural buds (~1/3) |
glosb2c.gif |
| Wall development between buds |
The frequency of corallite walls between intramural buds |
never |
Walls never develop between new intramural buds |
glosb2d.gif |
| Symmetry of bud geometry |
The positioning of new buds relative to the parent |
multi-directional |
New buds form in multiple directions |
glosb3a.gif |
| Symmetry of bud geometry |
The positioning of new buds relative to the parent |
bi-directional |
New buds form in two directions |
glosb3b.gif |
| Symmetry of bud geometry |
The positioning of new buds relative to the parent |
uni-directional |
New buds form in one direction |
glosb3c.gif |
| Calice or valley width |
The internal diameter of a corallite or corallite series (valley) |
small (<5mm) |
Small (<5mm) |
crsizsm.gif |
| Calice or valley width |
The internal diameter of a corallite or corallite series (valley) |
medium (1.5-10 mm) |
Medium (1.5-10 mm) |
crsizme.gif |
| Calice or valley width |
The internal diameter of a corallite or corallite series (valley) |
large (10-15mm) |
Large (10-15mm) |
crsizlg.gif |
| Calice or valley width |
The internal diameter of a corallite or corallite series (valley) |
very large (>15mm) |
Very large (>15mm) |
crsizvl.gif |
| Calice relief |
The height of a corallite or corallite series (valley) |
low (<2mm) |
Low (<2 mm) |
glosc2a.gif |
| Calice relief |
The height of a corallite or corallite series (valley) |
medium (2-4mm) |
Medium (2-4 mm) |
glosc2b.gif |
| Calice relief |
The height of a corallite or corallite series (valley) |
high (4-10mm) |
High (4-10 mm) |
glosc2c.gif |
| Calice relief |
The height of a corallite or corallite series (valley) |
very high (>10mm) |
Very high (>10 mm) |
glosc2d.gif |
| Calicular platform shape |
The slope of the septal margins |
v-shaped |
Gently inclined septal margins |
glosc4a.gif |
| Calicular platform shape |
The slope of the septal margins |
u-shaped |
Steeply sloping septal margins |
glosc4b.gif |
| Coenosteum |
Skeleton between corallites within a colony |
absent |
None |
glosd1a.gif |
| Coenosteum |
Skeleton between corallites within a colony |
fused walls |
Highly reduced |
glosd1b.gif |
| Coenosteum |
Skeleton between corallites within a colony |
narrow (< valley width) |
Narrow (< valley width) |
glosd1c.gif |
| Coenosteum |
Skeleton between corallites within a colony |
medium (= valley width) |
Medium (= valley width) |
glosd1d.gif |
| Coenosteum |
Skeleton between corallites within a colony |
wide (> valley width) |
Wide (> valley width) |
glosd1e.gif |
| Exothecal dissepiments |
Horizontal partitions outside of the corallite wall |
absent |
Absent |
glosd4a.gif |
| Exothecal dissepiments |
Horizontal partitions outside of the corallite wall |
present |
Present |
glosd4b.gif |
| Number of septal cycles |
Number of types of septa with different lengths and thicknesses |
3 |
Three complete |
glose1a.gif |
| Number of septal cycles |
Number of types of septa with different lengths and thicknesses |
>3 |
More than three complete |
glose1b.gif |
| Number of septal cycles |
Number of types of septa with different lengths and thicknesses |
<4 |
Nearly four complete |
glose1c.gif |
| Number of septal cycles |
Number of types of septa with different lengths and thicknesses |
>4 |
More than four complete |
glose1d.gif |
| Costa development |
Length and thickness of costa beyond the corallite wall |
reduced or absent |
Reduced or absent |
costabs.gif |
| Costa development |
Length and thickness of costa beyond the corallite wall |
well-developed |
Well-developed |
costwell.gif |
| Septal spacing (per 5mm) |
Spacing between septa |
<6 |
Wide (< 6 septa per 5 mm) |
glose2a.gif |
| Septal spacing (per 5mm) |
Spacing between septa |
6-12 |
Medium (6-12 septa per 5 mm) |
glose2b.gif |
| Septal spacing (per 5mm) |
Spacing between septa |
>12 |
Narrow (>12 septa per 5 mm) |
glose2c.gif |
| Relative septa thickness |
Relative thickness of major and minor septa |
equal |
Thickness of septa in different cycles equal |
glose4a.gif |
| Relative septa thickness |
Relative thickness of major and minor septa |
unequal |
Thickness of septa in different cycles unequal |
glose4b.gif |
| Relative costae thickness |
Relative thickness of major and minor costae |
equal |
Thickness of costae in different cycles equal |
glose7a.gif |
| Relative costae thickness |
Relative thickness of major and minor costae |
unequal |
Thickness of costae in different cycles unequal |
glose7b.gif |
| Continuity of costae |
Continuity of costae among adjacent corallite |
continuous |
Costae continue from one corallite to another |
glose8a.gif |
| Continuity of costae |
Continuity of costae among adjacent corallite |
dis-continuous |
Costae of neighboring corallites are distinct |
glose8b.gif |
| Septal and paliform lobes |
Vertical structures associated with septal margins |
pali |
Pali or vertical pillars developed along inner septal margins |
pali.gif |
| Septal and paliform lobes |
Vertical structures associated with septal margins |
sometimes paliform |
Trabecular offsets developed along inner septal margins |
paliform.gif |
| Septal and paliform lobes |
Vertical structures associated with septal margins |
sometimes septal |
Additional trabecular fans developed along inner septal margins |
lobes.gif |
| Septal and paliform lobes |
Vertical structures associated with septal margins |
none |
No additional vertical skeletal elements along inner septal margins |
nolobes.gif |
| Septal lobes |
Additional trabecular fans developed along inner septal margins |
absent |
No additional trabecular fans along inner septal margins |
none |
| Septal lobes |
Additional trabecular fans developed along inner septal margins |
present |
Additional trabecular fans developed along inner septal margins |
none |
| Paliform lobes |
Trabecular offsets developed along inner septal margins |
absent |
No trabecular offsets along inner septal margins |
none |
| Paliform lobes |
Trabecular offsets developed along inner septal margins |
present |
Trabecular offsets developed along inner septal margins |
none |
| Columella structure |
The overall form of the central axial structure within a corallite |
trabecular & continuous |
Spongy columella that continues between corallite centers |
trabcont.gif |
| Columella structure |
The overall form of the central axial structure within a corallite |
trabecular & discontinuous |
Spongy and discrete columella |
trabdisc.gif |
| Columella structure |
The overall form of the central axial structure within a corallite |
styliform |
Solid, projecting columella to which the septa are fused by secondary stereome |
styliform.gif |
| Columella structure |
The overall form of the central axial structure within a corallite |
lamellar |
Plate-like columella oriented parallel to the long axis of a corallite or corallite series |
lamell.gif |
| Columella structure |
The overall form of the central axial structure within a corallite |
absent |
Lacking a columella |
nocolum.gif |
| Columella continuity |
The conitnuity of the central axial structure among corallites within series |
continuous |
Columella continues between corallite centers within series |
none |
| Columella continuity |
The conitnuity of the central axial structure among corallites within series |
dis-continuous |
Corallite centers within series have discrete columellae |
none |
| Columella development |
The diameter or width of the central axial structure within a corallite |
weak |
Thin columella (< 1/4 of the corallite width) |
none |
| Columella development |
The diameter or width of the central axial structure within a corallite |
well-developed |
Medium-sized or thick columella (>1/3 of the corallite width) |
none |
| Columella width |
The diameter or width of the central axial structure within a corallite |
<=1/4 |
Thin columella (< 1/4 of the corallite width) |
tncolum.gif |
| Columella width |
The diameter or width of the central axial structure within a corallite |
1/3 |
Medium-sized columella (~1/3 of the corallite width) |
medcolum.gif |
| Columella width |
The diameter or width of the central axial structure within a corallite |
1/2 |
Thick columella (~1/2 of the corallite width) |
tkcolum.gif |
| Endothecal dissepiments |
Horizontal partitions within the corallite wall |
reduced |
Rare or few endothecal dissepiments |
none |
| Endothecal dissepiments |
Horizontal partitions within the corallite wall |
well-developed |
Abundant endothecal dissepiments |
none |
| Endothecal dissepiments |
Horizontal partitions within the corallite wall |
rare |
Rare endothecal dissepiments |
rarendo.gif |
| Endothecal dissepiments |
Horizontal partitions within the corallite wall |
few |
Few endothecal dissepiments |
fewendo.gif |
| Endothecal dissepiments |
Horizontal partitions within the corallite wall |
abundant |
Abundant endothecal dissepiments |
abunendo.gif |
| Wall structure |
The structure of skeleton enclosing a corallite |
parathecal |
Corallite wall formed by dissepiments |
parathec.gif |
| Wall structure |
The structure of skeleton enclosing a corallite |
septothecal |
Corallite wall formed by thickening of the septa |
septothe.gif |
| Wall structure |
The structure of skeleton enclosing a corallite |
septothecal or parathecal |
Corallite wall formed by thickening of the septa and/or dissepiments |
parasept.gif |
| Wall structure |
The structure of skeleton enclosing a corallite |
synapticulothecal |
Corallite wall formed by rings of synapticulae (horizontal rods between septa) |
synap.gif |
| Wall structure |
The structure of skeleton enclosing a corallite |
None |
No wall |
nowall.gif |
| Double or single wall |
Number of vertical partitions forming the corallite wall |
single |
Single partition forming the corallite wall |
single.gif |
| Double or single wall |
Number of vertical partitions forming the corallite wall |
double |
Double partition forming the corallite wall |
double.gif |