PBDB Collection

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

Show authors, comments, and common names

unclassified
-	Aculeachaetetes aculeatus Aculeachaetetes aculeatus
Bivalvia
Pectinida - Pectinoidae	Chlamys sp., Indopecten seinaamensis, Indopecten glaber Chlamys sp. Röding 1798 scallop Indopecten seinaamensis scallop Indopecten glaber Douglas 1929 scallop
Ostreida - Cassianellidae	Cassianella gigantea Cassianella gigantea oyster
Trigoniida - Trigoniidae	"Primatrigonia zlambachensis" = Trigonia (Primatrigonia) zlambachiensis "Primatrigonia zlambachensis" = Trigonia (Primatrigonia) zlambachiensis Haas 1909 clam Trigonia (Primatrigonia) zlambachensis Haas
Anthozoa
Scleractinia - Margarophylliidae	Margarosmilia mutligranulata, Margarosmilia minima Margarosmilia mutligranulata stony coral Margarosmilia minima stony coral
Scleractinia - Reimaniphylliidae	Distichophyllia dichotoma, Coryphyllia gigantella, Palaeastraea grandissima, Retiophyllia clathrata Distichophyllia dichotoma stony coral Coryphyllia gigantella stony coral Palaeastraea grandissima Frech 1890 stony coral Retiophyllia clathrata Emmrich 1853 stony coral
Scleractinia - Stylophyllidae	Stylophyllopsis cognatus, Stylophyllopsis rudis, Pamirophyllum pamiricum Stylophyllopsis cognatus stony coral Stylophyllopsis rudis Emmrich 1853 stony coral Pamirophyllum pamiricum Melnikova 1972 stony coral
Scleractinia - Actinastreidae	Chondrocoenia paradoxa, Chondrocoenia schafhaeutli Chondrocoenia paradoxa Melnikova 1968 stony coral Chondrocoenia schafhaeutli Winckler 1861 stony coral
Scleractinia - Cuifastraeidae	Cuifastraea tenuiseptata, Cuifastraea granulata, Gillastraea delicata Cuifastraea tenuiseptata stony coral Cuifastraea granulata Melnikova 1983 stony coral Gillastraea delicata Melnikova 1983 stony coral
Scleractinia - Astraeomorphidae	Astraeomorpha minor, Astraeomorpha reimani, Astraeomorpha crassisepta Astraeomorpha minor Frech 1890 stony coral Astraeomorpha reimani Melnikova 1967 stony coral Astraeomorpha crassisepta Reuss 1854 stony coral
Scleractinia - Tropidastraeidae	Chevalieria grandis Chevalieria grandis stony coral
Scleractinia - Pamiroseriidae	Pamiroseris multiseptata, Pamiroseris rectilamellosa, Pamiroseris meriani, Morycastraea eximia, Crassistella juvavica Pamiroseris multiseptata stony coral Pamiroseris rectilamellosa Winckler 1861 stony coral Pamiroseris meriani Stoppani 1865 stony coral Morycastraea eximia stony coral Crassistella juvavica Frech 1890 stony coral
Disjectoporidae
- Disjectoporidae	Aksopora tenuitrabeculata, Pamiropora compacta Aksopora tenuitrabeculata Aksupora tenuitrabeculata Boiko Pamiropora compacta
Demospongiae
Lithistida - Anthaspidellidae	Stromatomorpha pamirica Stromatomorpha pamirica demosponge
-	Bauneia crassuparietes, Bauneia pamirica Bauneia crassuparietes demosponge Bauneia pamirica demosponge