Lastro (DGM collection) (Cretaceous of Brazil)

Where: Brazil (10.8° S, 37.1° W: paleocoordinates 17.1° S, 9.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Riachuelo Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collection methods: Repository: Departamento Nacional da Produçao Mineral, Divisao de Geologia e Mineralogia, Rio de Janeiro, Brazil

Primary reference: C. J. Maury. 1936. Monographias do Servico Geologico E Mineralogico 11:1-283 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 195791: authorized by Matthew Clapham, entered by Matthew Clapham on 25.08.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida - Cidaridae
"Rhabdocidaris brasiliensis n. sp." = Phalacrocidaris branneri
"Rhabdocidaris brasiliensis n. sp." = Phalacrocidaris branneri White 1877 pencil urchin
 Spatangoida - Hemiasteridae
Hemiaster proclivus2 Cotteau et al. 1878 heart urchin
Hemiaster cf. cranium Cooke, in Santos & Cunha 1959
 Calycina - Phymosomatidae
"Cyphosoma binexile" = Phymosoma binexilis
"Cyphosoma binexile" = Phymosoma binexilis White 1887 sea urchin
 Euechinoidea - Orthopsidae
"Pseudodiadema grangeri n. sp." = Orthopsis miliaris
"Pseudodiadema grangeri n. sp." = Orthopsis miliaris d'Archiac 1835 sea urchin
Actinopteri
 Aulopiformes - Enchodontidae
Enchodus longipectoralis1 Schaeffer 1947
No. 501-P DGM