MNA locality 1644, southwestern Flagstaff (Permian of the United States)

Where: Arizona (35.2° N, 111.7° W: paleocoordinates 9.2° N, 36.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Harrisburg Member (Kaibab Formation), Roadian (272.3 - 268.8 Ma)

• Lower Harrisburg Member

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size class: microfossils

Collection methods: chemical, mechanical, sieve

• The materials for this study were mostly collected from the loosely consolidated sandy limestones, processed in a weak acetic acid solution and screen-washed through graded screens. Sediment residues were then picked under a binocular microscope. Larger specimens from large limestone blocks were prepared mechanically. Repository: Museum of Northern Arizona (MNA).

Primary reference: D. K. Elliott and J. P. M. Hodnett. 2013. A new species of Bransonella (Chondrichthyes, Xenacanthimorpha, Bransonelliformes) from the Middle Permian Kaibab Formation of northern Arizona. Journal of Paleontology 87:1136-1142 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 152132: authorized by Matthew Clapham, entered by Matthew Clapham on 08.11.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Bransonelliformes -
Bransonella tribula n. sp. Elliott and Hodnett 2013 elasmobranch
Assumed to be type locality, because teeth are mentioned to be abundant
Bransonella ? tribula Elliott and Hodnett 2013 elasmobranch
fin-spines, tentatively associated with species