Dominican amber, La Toca (MCZ coll) (Miocene to of Dominican Republic)

Where: Dominican Republic (19.5° N, 70.6° W: paleocoordinates 19.4° N, 69.5° W)

• coordinate based on nearby landmark

• 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 MCZ

Primary reference: E. O. Wilson. 1985. Ants of the Dominican Amber (Hymenoptera: Formicidae) 3. The Subfamily Dolichoderinae. Psyche 92(1):17-37 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138700: authorized by Matthew Clapham, entered by Matthew Clapham on 25.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hymenoptera - Formicidae
"Hypoclinea primitiva" = Dolichoderus primitivus, Azteca alpha, "Iridomyrmex hispaniolae" = Technomyrmex hispaniolae, "Leptothorax caritatis n. sp." = Nesomyrmex caritatis2, Pheidole tethepa n. sp.5, "Exocryptocerus serratus" = Cephalotes serratus4, Cephalotes squamosus1, Anochetus brevidentatus n. sp.3
"Hypoclinea primitiva" = Dolichoderus primitivus Wilson 1985 ant
Azteca alpha Wilson 1985 ant
540 specimens from all collections but not divided
"Iridomyrmex hispaniolae" = Technomyrmex hispaniolae Wilson 1985 ant
27 specimens from all collections but not divided
"Leptothorax caritatis n. sp." = Nesomyrmex caritatis2 de Andrade 1999 ant
Pheidole tethepa n. sp.5 Wilson 1985 ant
"Exocryptocerus serratus" = Cephalotes serratus4 Vierbergen and Scheven 1995 ant
MCZC-2,11 (paratypes); 9,13,16 in de Andrade & Baroni Urbani
Cephalotes squamosus1 Vierbergen and Scheven 1995 ant
MCZC-18, 19
Anochetus brevidentatus n. sp.3 MacKay 1991 ant
MCZ, La Toca mine