Bolshoy Balkan-1 (Cretaceous of Turkmenistan)

Where: Turkmenistan (39.6° N, 54.5° E: paleocoordinates 34.1° N, 59.4° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Alikper Formation, Hauterivian (132.9 - 129.4 Ma)

Environment/lithology: reef, buildup or bioherm; argillaceous reef rocks

• Facies A is represented by coralgal bindstone and framestone with an argillaceous admixture and large massive loaf-like colonies.

Size class: macrofossils

Primary reference: I. J. Bugrova. 1990. The facies zonation and scleractinians of the early Hauterivian reef complex of Bolshoy Balkhan. Cretaceous Research 11(3):229-236 [M. Patzkowsky/K. Layou/A. Clement]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 2260: authorized by Mark Patzkowsky, entered by Karen Layou on 29.06.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Foraminifera -
Algae
 Algae -
unclassified
  -
Porifera indet. Grant 1836
Anthozoa
 Scleractinia - Montlivaltiidae
Montlivaltia orientalis Bugrova 1991 stony coral
 Scleractinia - Microsolenidae
Microsolena collinaria, "Microsolena distefanoi" = Microsolena major
"Microsolena distefanoi" = Microsolena major Ferry 1861 stony coral
 Scleractinia - Latomeandridae
Thamnoseris sp. Fromentel 1861 stony coral
Fungiastraea sp. Alloiteau 1952 stony coral
Microphyllia undans Etallon 1859 stony coral
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
 Arcida - Arcidae
 Ostreida - Gryphaeidae
"Exogyra subsinuata" = Aetostreon subsinuatum
"Exogyra subsinuata" = Aetostreon subsinuatum Leymerie 1842 oyster
 Pandorida - Laternulidae
aff. Plectomya agassizi clam
originally entered as "Plectomya aff. agassizi"
 Hiatellida - Hiatellidae
cf. Panopea cilindrica clam
originally entered as "Panope cf. cilindrica"
 Trigoniida - Megatrigonioidae
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
originally entered as "Brachipoda indet."
Rhynchonellata
 Rhynchonellida - Cyclothyrididae
 Terebratulida - Sellithyrididae
Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Echinoidea
 Arbacioida - Arbaciidae
Codiopsis lorini sea urchin
 Salenioida - Hyposaleniidae