Umatac Formation, Loc. Ii 6-18 (Miocene of Guam)

Where: Guam (13.3° N, 144.7° E: paleocoordinates 13.3° N, 147.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Maemong Limestone Member (Umatac Formation), Early/Lower Miocene (23.0 - 16.0 Ma)

Environment/lithology: shallow subtidal; limestone

Size classes: mesofossils, microfossils

Primary reference: H. Johnson. 1964. Fossil and recent calcareous algae from Guam. Geological survey professional paper 403-G [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 150218: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 04.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Florideophyceae
 Corallinales - Corallinophycidae