ECHINODERM: Recent sediment, Cary Cay, Belize. Cro...

SHELL MATERIAL: Recent shell material, Belize. Two...

DIAGENESIS: Up. Permian Wegener Halvo Fm., Jameson...

ECHINODERM FRAGMENT: Up. Permian (Kazanian?) Wegen...

FERROAN AND NON-FERROAN CALCITE: Up. Permian (Kaza...

LUMINESCENCE SUCCESSION: Lo. Cambrian Forteau Fm.,...

CHAMBERED CALCAREOUS SPONGE: Up. Permian (Guadalup...

HYDROCARBON AND BRINE INCLUSIONS: Up. Permian (Gua...

GASTROPOD: Recent sediment, Abu Dhabi, coastal Uni...