Dominican amber, La Bucara mine (Manchester coll) (Miocene to of Dominican Republic)

Where: Dominican Republic (19.2° N, 70.7° W: paleocoordinates 19.1° N, 69.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: La Toca Formation, Burdigalian to Burdigalian (20.4 - 13.8 Ma)

• Older dates for Dominican amber were Upper Eocene or Oligocene, but it is now dated as Miocene.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; amber

Size classes: macrofossils, mesofossils

Preservation: soft parts, original chitin, amber

Collection methods: Repository: Penney Research Collection, University of Manchester

Primary reference: D. Penney, A. McNeil, D. I. Green, R. S. Bradley, J. E. Jepson, P. J. Withers, and R. F. Preziosi. 2012. Ancient Ephemeroptera-Collembola symbiosis fossilized in amber predicts contemporary phoretic associations. PLoS One 7(10):e47651 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 134944: authorized by Matthew Clapham, entered by Matthew Clapham on 19.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ephemeroptera - Leptophlebiidae
Borinquena parva Staniczek 2003 mayfly
 Symphypleona - Sminthuridae
? Sphyrotheca sp. Borner 1906 globular springtail