Schachtessai Lower, Pamir, Tajikistan (Triassic of Tajikistan)

Also known as Reef 24

Where: Tajikistan (37.5° N, 74.5° E: paleocoordinates 29.9° N, 58.0° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Bortepa Formation, Sevatian (212.0 - 205.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified sandstone and lithified reef rocks

• 50-150 m thick Bortepa Fm. with greenish-gray, often coarse-grained gravelly sandstones and siltstones wtih beds, lenses of organogenic limestones, containing bioherms and biostromes.

Size class: macrofossils

Primary reference: V. I. Dronov and G. K. Melnikova. 1994. Facies zonation of the Triassic basin in the SE Pamirs. Courier Forschungsinstitut Senckenberg 172:275-282 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 34647: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 15.09.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Bivalvia
 Pectinida - Pectinoidae
Chlamys sp. Röding 1798 scallop
 Ostreida - Cassianellidae
 Trigoniida - Trigoniidae
"Primatrigonia zlambachensis" = Modesticoncha zlambachensis
"Primatrigonia zlambachensis" = Modesticoncha zlambachensis Haas 1909 clam
Trigonia (Primatrigonia) zlambachensis Haas
Anthozoa
 Scleractinia - Astraeomorphidae
Astraeomorpha reimani Melnikova 1967 stony coral
Astraeomorpha minor Frech 1890 stony coral
Astraeomorpha crassisepta Reuss 1854 stony coral
 Scleractinia - Reimaniphylliidae
Palaeastraea grandissima Frech 1890 stony coral
Retiophyllia clathrata Emmrich 1853 stony coral
 Scleractinia - Margarophylliidae
 Scleractinia - Actinastreidae
Chondrocoenia paradoxa Melnikova 1968 stony coral
Chondrocoenia schafhaeutli Winkler 1861 stony coral
 Scleractinia - Tropidastraeidae
 Scleractinia - Pamiroseriidae
Crassistella juvavica Frech 1890 stony coral
Pamiroseris meriani Stoppani 1858 stony coral
Pamiroseris rectilamellosa Winkler 1861 stony coral
 Scleractinia - Stylophyllidae
Stylophyllopsis rudis Emmrich 1853 stony coral
Pamirophyllum pamiricum Melnikova 1972 stony coral
 Scleractinia - Cuifastraeidae
Cuifastraea granulata Melnikova 1983 stony coral
Gillastraea delicata Melnikova 1983 stony coral
Demospongea
 Lithistida - Anthaspidellidae
 Chaetetida - Chaetetidae
Disjectoporidae
  - Disjectoporidae
Aksopora tenuitrabeculata
Aksupora tenuitrabeculata Boiko