Inland Karazin Fm site (Triassic of Russian Federation)

Also known as Paris Bay / Ussuri Bay watershed

Where: Primorye, Russian Federation (43.0° N, 131.9° E: paleocoordinates 41.7° N, 111.9° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Acrochordiceras kiparisovae ammonoid zone, Karazin Formation, Anisian (247.2 - 242.0 Ma)

• "... all remains of cephalopods found in the burial belong to the Middle Anisian Acrochordiceras kiparisovae Zone."

• group of beds-level stratigraphic resolution

Environment/lithology: marine; sandy siltstone

Size class: macrofossils

Primary reference: M. S. Arkhangelsky, N. G. Zverkov, Y. D. Zakharov and I. V. Borisov. 2016. On the First Reliable Find of the Genus Tholodus (Reptilia: Ichthyopterygia) in the Asian Peripheral Area of the Panthalassic Ocean. Paleontological Journal 50(1):78-86 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 195194: authorized by Alex Dunhill, entered by Bethany Allen on 26.07.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ichthyosauria - Omphalosauridae
Tholodus cf. schmidi Von Meyer 1851 ichthyosaur
Jaw fragments, SGTU MEZ 4/3
Cephalopoda
 Aulacoceratida - Xiphoteuthididae
Atractites sp. Guembel 1861 belemnite
 Ceratitida - Parapopanoceratidae
Stenopopanoceras russkiense n. sp. Zakharov et al. 2015 ceratite
 Ceratitida - Acrochordiceratidae
Acrochordiceras pacificum, "Acrochordiceras korobkovi" = Acrochordiceras hyatti, "Acrochordiceras kiparisovae" = Acrochordiceras hyatti
Acrochordiceras pacificum Zharnikova 1985 ceratite
"Acrochordiceras korobkovi" = Acrochordiceras hyatti Meek 1877 ceratite
"Acrochordiceras kiparisovae" = Acrochordiceras hyatti Meek 1877 ceratite
 Ceratitida - Sturiidae
Parasturia primorica n. sp. Zakharov et al. 2015 ceratite