Nikitina Balka, 2.5 km from mouth, P2a horizon, north Caucasus (Permian of Russian Federation)

Where: Russian Federation (44.0° N, 40.7° E: paleocoordinates 14.2° S, 55.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Changhsingian (254.2 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: B. Licharew. 1936. Uber einige oberpaläozoische Gattungen der Terebratulacea aus Eurasien. Problems of Paleontology 1:263-271 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112567: authorized by Matthew Clapham, entered by Matthew Clapham on 12.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Echinoconchidae
""Productus" (Pustula) juresanensis" = Juresania juresanensis
""Productus" (Pustula) juresanensis" = Juresania juresanensis Tschernyschew 1902
var. taiyuanensis; coll. V. Robinson
 Productida - Linoproductidae
"Productus triangularis" = Linoproductus triangularis, "Productus cora" = Linoproductus cora
"Productus triangularis" = Linoproductus triangularis Licharew 1937
coll. V. Robinson p2a
"Productus cora" = Linoproductus cora d'Orbigny 1842
1 coll. V. Robinson, 1 coll B. Licharew
 Productida - Monticuliferidae
"Productus kiangsiensis" = Haydenella kiangsiensis
"Productus kiangsiensis" = Haydenella kiangsiensis Kayser 1883
var. tethys (59 coll. V. Robinson, 9 coll. B. Licharew)
Rhynchonellata
 Terebratulida - Notothyrididae
Gefonia cubanica n. gen. n. sp.
Gefonia cubanica n. gen. n. sp. Licharew 1936