Pastos Bons, Maranhao (Permian of Brazil)

Also known as Uppermost Pedra de Fogo

Where: Maranhao, Brazil (5.6° S, 42.1° W: paleocoordinates 27.4° S, 9.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lower Pedra de Fogo Formation, Kungurian (279.3 - 272.3 Ma)

• "Lower Pedra de Fogo Formation (Parna ́ıba Basin)"

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithology not reported

• "The fossil-bearing interval is interpreted as fluvio-lacustrine in origin, deposited in a range of terrestrial and aquatic sub-environments on the margins and nearshore of large continental lakes, on seasonally wet floodplains and channels, and within small ponds " Cisneros et al. (2015)

Size class: macrofossils

Primary reference: C. B. Cox and P. Hutchinson. 1991. Fishes and Amphibians from the Late Permian Pedra de Fogo Formation of Northern Brazil. Palaeontology 34(3):561-573 [J. Mueller/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 192146: authorized by Richard Butler, entered by Emma Dunne on 13.03.2018, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

• Collections at UFPI
Chondrichthyes
 Xenacanthiformes - Xenacanthidae
Xenacanthidae indet. Fritsch 1889 elasmobranch
Teeth
 Ctenacanthiformes - Ctenacanthidae
Ctenacanthidae indet. Dean 1909 elasmobranch
Fin spines
 Eugeneodontiformes - Edestidae
Edestidae indet. Jaekel 1899 chimaera
Teeth
Osteichthyes
 Dipnoi -
Dipnoi indet. lungfish
Teeth
Amphibia
 Temnospondyli - Archegosauridae
Prionosuchus plummeri n. gen. n. sp.
Prionosuchus plummeri n. gen. n. sp. Price 1948 tetrapod
DGM 320-R (Holotype: fragments of skull, mandible and femur) and BMNH R12000-5 described by Cox & Hutchinson (1991)
Osteichthyes
 Palaeonisciformes - Palaeoniscidae
Palaeoniscidae indet. Vogt 1852
Scales and cranial remains
 Palaeonisciformes - Brazilichthyidae
Brazilichthys macrognathus n. gen. n. sp. Cox and Hutchinson 1991
DNPM 1061-P, skull