NMITA:Neogene Marine Biota of Tropical America

Specimen Details | Enlarge
Specimen Details | Enlarge
Specimen Details | Enlarge
Specimen Details | Enlarge

Hadrophyllia saundersi Budd and Johnson, 1998

Synonymy: Thysanus crassicostatus Vaughan, 1925;

Holotype: NMB D6241

Morphologic Description:
Meander series sinuosity: gently curved
Colony size: small (<10cm)
Attachment of skeleton: free-living
Epitheca: absent
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: >3
Septal spacing (per 5mm): <6
Relative septa thickness: equal
Relative costae thickness: equal
Septal lobes: absent
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 Gurabo, Dominican Republic; Gurabo Fm., Rio Gurabo, Dominican Republic;
Early Pliocene : Seroe Domi Fm., Salina St. Michiel, Curacao;
Early Pliocene to Late Pliocene : Mao Fm., Rio Cana, Dominican Republic;
Late Pliocene : Bowden Fm., Bowden Shell Beds, Jamaica; Hope Gate Fm., Rio Bueno, Jamaica;
Late Pliocene to Early Pleistocene : 'Old Pera' beds, Pera Point, Jamaica;


Last updated on June 17, 1998-kgj.


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