South Ak-Arkhar, bed 3, Pamir Mountains (Permian of Tajikistan)

Where: Tajikistan (38.0° N, 73.7° E: paleocoordinates 24.8° S, 61.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kochusu Formation, Kungurian (279.3 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: T. B. Leonova and V. Y. Dmitriev. 1989. Rannepermskie ammonoidei Yugo-Vostochnogo Pamira. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 235:1-198 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177982: authorized by Matthew Clapham, entered by Matthew Clapham on 12.04.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

• Includes samples 25/2, 25a, 25b, 98/8, 98/9. Specimens with more precise sample numbers in other papers are there; this collection includes material from Leonova & Dmitriev (1989) without specific sample numbers.
Cephalopoda
 Prolecanitida - Pronoritidae
Parapronorites rectus Leonova 1989 ammonite
Neopronorites asianus Leonova 1988 ammonite
 Prolecanitida - Medlicottiidae
Propinacoceras toumanskayae Leonova 1989 ammonite
 Prolecanitida - Daraelitidae
Daraelites pamiricus Toumanskaya 1949 ammonite
 Goniatitida - Perrinitidae
Metaperrinites toumanskayae Leonova 1983 ammonite
 Goniatitida - Vidrioceratidae
"Prostacheoceras oshense" = Pamirites clinei
"Prostacheoceras oshense" = Pamirites clinei Toumanskaya 1938 ammonite
 Goniatitida - Marathonitidae
Aksuites permicus Pavlov 1967 ammonite
Almites pavlovi Leonova 1982 ammonite
 Goniatitida - Agathiceratidae
Agathiceras mediterraneum Toumanskaya 1949 ammonite
 Goniatitida - Metalegoceratidae
Eothinites convexus Leonova 1989 ammonite
Metalegoceras toumanskayae Leonova 1989 ammonite
 Goniatitida - Popanoceratidae
Popanoceras toumanskayae n. sp. Leonova 1989 ammonite