Schachtessai Upper, 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 34648: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 15.09.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Hydrozoa
 Spongiomorphida - Spongiomorphidae
 Milleporina - Heterastrididae
Heterastridium conglobatum Reuss 1854 fire coral
Anthozoa
 Scleractinia - Astraeomorphidae
Astraeomorpha crassisepta Reuss 1854 stony coral
Astraeomorpha confusa Winkler 1861 stony coral
 Scleractinia - Reimaniphylliidae
Retiophyllia clathrata Emmrich 1853 stony coral
 Scleractinia - Margarophylliidae
 Scleractinia - Actinastreidae
Chondrocoenia paradoxa Melnikova 1968 stony coral
Chondrocoenia schafhaeutli Winkler 1861 stony coral
 Scleractinia - Pamiroseriidae
Crassistella juvavica Frech 1890 stony coral
Pamiroseris rectilamellosa Winkler 1861 stony coral
 Scleractinia - Stylophyllidae
 Scleractinia - Cuifastraeidae
Cuifastraea granulata Melnikova 1983 stony coral
Demospongea
 Hadromerida - Celyphiidae
Celyphia submarginata Münster 1841 demosponge
 Axinellida - Ceratoporellidae
 Axinellida -
 Tabulospongida - Parastromatoporidae
 Lithistida - Anthaspidellidae
 Agelasida - Sebargasiidae
Amblysiphonella loerentheyi Vinassa de Regny 1901 demosponge
Amblysiphonella timorica Vinassa de Regny 1915 demosponge
 Agelasida - Preperonidellidae
 Agelasida - Catenispongiidae
 Agelasida - Colospongiidae
 Chaetetida - Chaetetidae
Stromatoporoidea
 Labechiida - Lophiostromatidae
Disjectoporidae
  - Disjectoporidae
Hexactinellida
  -
Hodsia pamirica glass sponge
Calcarea
  -
Pseudodictyocoelia elongata calcareous sponge
 Calcaronea - Stellispongiidae
Stellispongia manon Münster 1841 calcareous sponge
  -
Lamellispongia gelevus calcareous sponge