Dominican amber (Zigras coll) (Miocene to of Dominican Republic)

Where: Dominican Republic (19.6° N, 70.8° W: paleocoordinates 19.4° N, 69.6° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Burdigalian to Burdigalian (20.4 - 13.8 Ma)

• Age controversial, with the youngest proposed age of 20-15 mya based on foraminifera and the oldest as 45-30 mya based on coccoliths. Most of the amber is secondarily deposited in turbiditic sandstones.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; amber

Size class: macrofossils

Preservation: soft parts, original chitin, amber

Reposited in the AMNH

• Repository: James Zigras collection, housed in the Division of Invertebrate Zoology at the American Museum of Natural History, New York

Primary reference: P. Cerretti, J. O. Stireman, T. Pape, J. E. O'Hara, M. A. T. Marinho, K. Rognes, and D. A. Grimaldi. 2017. First fossil of an oestroid fly (Diptera: Calyptratae: Oestroidea) and the dating of oestroid divergences. PLoS One 12(8):e0182101 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188102: authorized by Matthew Clapham, entered by Matthew Clapham on 23.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Diptera - Mesembrinellidae
Mesembrinella caenozoica n. sp. Cerretti et al. 2017 fly