Mechet' I (lower) (Locality 179) (Triassic of Russian Federation)

Also known as Novaya Tavolzhanka, Mechet I

Where: Orenburg, Russian Federation (52.8° N, 51.8° E: paleocoordinates 31.8° N, 42.2° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Sludkian Member (Mechet' Formation), Olenekian (251.2 - 247.2 Ma)

• "Kzylsaiskaya Svita", which is Middle Olenekian (Tverdokhlebov et al. 2003). Beds 3-5.

• group of beds-level stratigraphic resolution

Environment/lithology: "channel"; sandstone

Size class: macrofossils

Reposited in the PIN

Primary reference: V. P. Tverdokhlebov, G. I. Tverdokhlebova, M. V. Surkov and M. J. Benton. 2003. Tetrapod localities from the Triassic of the SE of European Russia. Earth-Science Reviews 60(1-2):1-66 [J. Mueller/T. Liebrecht/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 195797: authorized by Alex Dunhill, entered by Bethany Allen on 26.08.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Diapsida -
Chasmatosuchus sp.1 Huene 1940 archosauromorph
Osteichthyes
 Tetrapoda - Bystrowianidae
Dromotectum spinosum2 Novikov and Shishkin 2000 tetrapod
PIN 2424/ 65, fragmentary scute
Amphibia
 Amphibia -
Amphibia indet. tetrapod
Clavicles; bed 5
 Temnospondyli -
Thoosuchus sp.1 Efremov 1940 tetrapod
Lower jaw; bed 5
 Temnospondyli - Trematosauridae
Prothoosuchus blomi1 Getmanov 1989 tetrapod
Bed 4
 Temnospondyli -
Benthosuchus sp.1 Efremov 1936 tetrapod
 Temnospondyli - Benthosuchidae
Qantas samarensis1 Novikov 2012 tetrapod
PIN 2423/7 and 8, fragments of left mandibular ramus