NMITA:Neogene Marine Biota of Tropical America

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Colpophyllia amaranthus (Houttuyn, 1772)

Holotype: lost

Morphologic Description:

Series Length: medium (2-5cm)

Meander series sinuosity: sinuous

Colony size: medium (10-30cm)

Attachment of skeleton: attached

Epitheca: absent

Wall development between buds: most

Symmetry of bud geometry: multi-directional

Calice or valley width: very large (>15mm)

Calice relief: very high (>10mm)

Calicular platform shape: v-shaped

Coenosteum: narrow (< valley width)

Exothecal dissepiments: present

Number of septal cycles: >3

Septal spacing (per 5mm): <6

Relative septa thickness: equal

Relative costae thickness: equal

Continuity of costae: dis-continuous

Septal lobes: absent

Paliform lobes: present

Columella continuity: dis-continuous

Columella width: <=1/4

Endothecal dissepiments: abundant

Wall structure: parathecal

Double or single wall: double

Distribution:

Late Pliocene : Q.Chocolate Fm., Buenos Aires, Costa Rica; Moin Fm., Pueblo Nuevo, Costa Rica;

Recent : less than 10m, Discovery Bay, Jamaica;