Jacarezinho Municipality (Permian of Brazil)

Where: Paraná, Brazil (23.2° S, 50.0° W: paleocoordinates 41.0° S, 21.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Serrinha Member (Rio do Rasto Formation), Capitanian (265.1 - 259.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; lithified lithology not reported

• Deposited in shallow lakes, sometimes influenced by storm waves and fluvial incursions

Size class: macrofossils

Collection methods: mechanical,

• Repository: Museu de Ciências Naturais, Setor de Ciências Biológicas,

•Universidade Federal do Paraná (MCN)

Primary reference: V. E. Pauliv, E. V. Dias, and F. A. Sedor. 2012. A new species of sphenacanthid (Chondrichthyes, Elasmobranchii) from the Rio do Rasto Formation (Paraná basin), southern Brazil. Revista Brasileira de Paleontologia 15:243-250 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138449: authorized by Matthew Clapham, entered by Matthew Clapham on 20.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Euselachii - Sphenacanthidae
Sphenacanthus riorastoensis n. sp. Pauliv et al. 2012 elasmobranch
MCN.P.440, 703