Also known as Quebradillas Limestone

Where: Puerto Rico (18.5° N, 67.0° W: paleocoordinates 18.4° N, 65.9° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Aymamón Limestone Formation, Middle Miocene (16.0 - 11.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Aymamón Limestone (=Quebradillas Limestone of older works), which regionally overlie the Ponce chalky beds [subsequently referred to as Ponce Fm], and is laterally related to the Oak Grove Sands (Florida). AGE: Early-Middle Miocene based on macro- and microfaunal biostratigraphy in text. Here assigned to Middle Miocene based on more recent dating. STRATIGRAPHIC POSITION: List representative of formation

• formation-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: Unknown

Primary reference: H. E. Vokes and E. H. Vokes. 1968. Variation in the genus Orthaulax (Mollusca: Gastropoda). Tulane Studies in Geology and Paleontology 6(2):71-84 [A. Hendy/A. Hendy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92452: authorized by Austin Hendy, entered by Austin Hendy on 13.11.2009

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)