Fonseca village, Alvinopolis municipality (Eocene of Brazil)

Where: Minas Gerais, Brazil (20.2° S, 43.3° W: paleocoordinates 21.2° S, 35.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Fonseca Formation, Priabonian (38.0 - 33.9 Ma)

• Most sources assign an Eocene age, but some say Priabonian/Rupelian.

Environment/lithology: lacustrine; lithified, argillaceous shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by M. Mendes and party in 1999-2000

• Repository: Invertebrate Paleontological Collection, Museu de Historia Natural UNIVALE, Governador Valadares, Minas Gerais State; Coleção Paleontológica do Laboratório de Paleontologia da Universidade Federal do Ceará em Fortaleza

Primary reference: R. G. Martins-Neto and M. Mendes. 2002. The Fonseca Formation paleoentomofauna (Fonseca Basin, Oligocene of Minas Gerais state, Brazil) with description of new taxa. Acta Geologica Leopoldensia 25(55):27-33 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138890: authorized by Matthew Clapham, entered by Matthew Clapham on 31.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera -
 Hemiptera - Cicadidae
Fonsecacicada mineira n. gen. n. sp.
Fonsecacicada mineira n. gen. n. sp. Martins-Neto and Mendes 2002 cicada
CH 0010/2
 Blattodea - Blaberidae
Fonsecablatta patricioi n. gen. n. sp.2
Fonsecablatta patricioi n. gen. n. sp.2 Mendes and Pinto 2001 giant cockroach
CH 0011/2
 Hymenoptera - Formicidae
Fonsecahymen stigmata n. gen. n. sp.
Fonsecahymen stigmata n. gen. n. sp. Martins-Neto and Mendes 2002 ant
CH 0014/2
 Hymenoptera - Pergidae
Fonsecadalia perfectus n. gen. n. sp.1 Mendes et al. 2015 wood wasp
LP/UFC/CH-16
Fonsecadalia propinquus n. sp.1 Mendes et al. 2015 wood wasp
LP/UFC/CH-15
 Coleoptera - Curculionidae
Curculionidae indet. Latreille 1802 snout beetle
 Coleoptera - Carabidae
Fonsecacarabus placidus n. gen. n. sp.
Fonsecacarabus placidus n. gen. n. sp. Martins-Neto and Mendes 2002 ground beetle
CH 0013/2