NMITA:Neogene Marine Biota of Tropical America

---

Manicina geisteri Budd and Johnson, 1998

Holotype: NMB D6173

Morphologic Description:

Meander series sinuosity: sinuous

Colony size: small (<10cm)

Attachment of skeleton: free-living

Epitheca: reduced

Wall development between buds: never

Symmetry of bud geometry: bi-directional

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

Calice relief: high (4-10mm)

Calicular platform shape: v-shaped

Coenosteum: absent

Exothecal dissepiments: present

Number of septal cycles: <4

Septal spacing (per 5mm): 6-12

Relative septa thickness: unequal

Relative costae thickness: unequal

Septal lobes: present

Paliform lobes: absent

Columella continuity: continuous

Columella width: <=1/4

Endothecal dissepiments: abundant

Wall structure: parathecal

Double or single wall: single

Distribution:

Late Miocene to Early Pliocene : Gurabo Fm., Rio Cana, Dominican Republic; Gurabo Fm., Rio Cana, Dominican Republic; Gurabo Fm., Rio Gurabo, Dominican Republic; Gurabo Fm., Rio Gurabo, Dominican Republic; Gurabo Fm., Rio Mao, Dominican Republic;

Early Pliocene : Gurabo Fm., Rio Cana, Dominican Republic; Gurabo Fm., Rio Cana, Dominican Republic;

Late Pliocene : Bowden Fm., Bowden Shell Beds, Jamaica; Bowden Fm., Bowden seacliff, Jamaica;