Atol Quarry (=CIMPOR quarry) (Cretaceous of Brazil)

Where: Alagoas, Brazil (9.8° S, 36.1° W: paleocoordinates 8.9° S, 3.2° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Coqueiro Seco Formation, Barremian (129.4 - 125.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lacustrine deltaic; gray shale

• Paleoenvironment—brackish lake with irregular inputs of marine water flow (Gallo and Coelho, 2008).

Size class: macrofossils

Preservation: adpression

Collection methods: quarrying, chemical, mechanical, acetic

• Repository: Paleozoological Collection of the Departamento de Zoologia of UERJ

Primary reference: F. J. De Figueiredo. 2009. A New Clupeiform Fish from the Lower Cretaceous (Barremian) of Sergipe-Alagoas Basin, Northeastern Brazil. Journal of Vertebrate Paleontology 29(4):993-1005 [S. Peters/S. McMullen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135830: authorized by Shanan Peters, entered by Sharon McMullen on 11.11.2012, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

• Fossil fish assemblage includes coelacanths, holosteans, enchodontids, salmoniforms, gonorynchiforms, and clupeomorphs (Brito et al., 1988; Maffissoni, 2000, 2002; Gallo and Coelho, 2008). Also there are palynomorphs (Antonioli et al., 2004) and non-marine ostracods (Neto, 2005).
Actinopteri
 Clupeiformes -
Pseudoellimma gallae n. gen. n. sp.
Pseudoellimma gallae n. gen. n. sp. De Figueiredo 2009
Reptilia
 Testudines - Bothremydidae
Atolchelys lepida n. gen. n. sp.
Atolchelys lepida n. gen. n. sp. Romano et al. 2014 sideneck turtle
holotype and only known specimen UERJ.MC 24