UCMP B-5100, Las Cruces landslide, Simojovel region (Miocene of Mexico)

Also known as Chiapas amber, Mexican amber

Where: Chiapas, Mexico (17.1° N, 92.5° W: paleocoordinates 18.3° N, 88.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Miocene (23.0 - 16.0 Ma)

Environment/lithology: terrestrial; amber

Size class: mesofossils

Preservation: soft parts, original chitin, amber

Reposited in the UCMP

Primary reference: L. W. Quate. 1963. Fossil Psychodidae in Mexican amber, part 2 (Diptera: Insecta). Journal of Paleontology 37(1):110-118 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140261: authorized by Matthew Clapham, entered by Matthew Clapham on 06.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Diptera - Cecidomyiidae
Lestodiplosis sp.1 Kieffer 1894 gall midge
UCMP 12822
? Henria sp.1 Wyatt 1959 gall midge
UCMP 12819, 12821
 Diptera - Psychodidae
Trichomyia glomerosa n. sp. Quate 1963 moth fly
UCMP 12816
Arachnida
 Araneae - Dysderidae
Mistura perplexa n. gen. n. sp.2
Mistura perplexa n. gen. n. sp.2 Petrunkevitch 1971 woodlouse hunter spider
UCMP 12815