NE Central Asia (Cretaceous of USSR)

Where: USSR (39.8° N, 72.0° E: paleocoordinates 35.9° N, 66.1° E)

• coordinate based on political unit

When: Korobkovitrigonia darwaseana zone, Early/Lower Turonian (93.5 - 89.3 Ma)

Environment/lithology: phosphatic, green shale

• phosphorite present as pellets in the clay

Primary reference: Z. N. Pojarkova. 1984. The Cenomanian and Turonian in Northeastern Central Asia. Cretaceous Research 5:1-14 [M. Patzkowsky/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3797: authorized by Mark Patzkowsky, entered by Karen Layou on 10.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
aff. Beschtubeites tschernyschewi
originally entered as "Beschtubeites aff. tschernyschewi"
Cephalopoda
 Ammonitida - Placenticeratidae
cf. Proplacenticeras simakovi ammonite
originally entered as "Proplacenticeras cf. simakovi"
aff. Proplacenticeras kharesmense ammonite
originally entered as "Proplacenticeras aff. kharesmense"
Gastropoda
 Cerithioidea - Turritellidae
Torquesiella subfittoni Pcheiincev 1953 turret shell
 Architaenioglossa - Ampullinidae
"Ampullospira tulbaica" = Ampullina (Ampullospira)
"Ampullospira tulbaica" = Ampullina (Ampullospira) snail
Bivalvia
 Pectinida - Plicatulidae
"Plicatula batnensis" = Plicatula (Plicatula) ferryi, "Plicatula auressensis" = Plicatula (Plicatula) auressensis
"Plicatula batnensis" = Plicatula (Plicatula) ferryi Coquand 1862 scallop
"Plicatula auressensis" = Plicatula (Plicatula) auressensis Coquand 1862 scallop
 Pectinida - Anomiidae
 Pectinida - Pectinoidae
Spondylus calcaratus Forbes 1846 scallop
 Ostreida - Gryphaeidae
"Liostrea oxiana" = Curvostrea rouvillei, "Exogyra plicatula" = Rhynchostreon plicatulum, "Rhynchostreon columbum" = Rhynchostreon mermeti, "Rhynchostreon chaperi" = Rhynchostreon mermeti, "Exogyra olisiponensis" = Costagyra olisiponensis, Gryphaea turkestanica
"Liostrea oxiana" = Curvostrea rouvillei Coquand 1862 oyster
"Exogyra plicatula" = Rhynchostreon plicatulum Lamarck 1819 oyster
"Rhynchostreon columbum" = Rhynchostreon mermeti Coquand 1862 oyster
"Rhynchostreon chaperi" = Rhynchostreon mermeti Coquand 1862 oyster
"Exogyra olisiponensis" = Costagyra olisiponensis Sharpe 1850 oyster
Gryphaea turkestanica oyster
Gryphaea vesiculosa turkestanica
 Mytilida - Mytilidae
 Pholadida - Corbulidae
 Cardiida - Veneridae
Pitar rhotomagensis, "? Cyprimeria faba" = Paraesa faba
"? Cyprimeria faba" = Paraesa faba Sowerby 1827 venus clam
originally entered as "Cyprimeria? faba"
 Trigoniida - Trigoniidae
Korobkovitrigonia darwaseana clam
originally entered as "Korobkovtrigonia darwaseana"
Korobkovitrigonia ferganensis clam
originally entered as "Korobkovtrigonia ferganensis"
 Nuculida - Nuculidae
Nucula turkmenica nut clam
Nucula pectinata turkmenica
 Nuculanida - Nuculanidae
Nuculana futtereri pointed nut clam
originally entered as "Leda futtereri"