Schaimak, Pamir, Tajikistan (Triassic of Tajikistan)

Also known as Reef 23

Where: Tajikistan (37.5° N, 74.5° E: paleocoordinates 28.5° N, 54.3° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Shaimak Formation, Lacian (221.5 - 215.6 Ma)

• Upper Carnian to lower Norian age

• formation-level stratigraphic resolution

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

• 40-200 m thick Shaimak Fm. with massiv light reef limestones

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 34646: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 15.09.2003, edited by Hannah Shepherd and Benjamin Brenneis

Creative Commons license: CC BY (attribution)

Taxonomic list

 Involutinina - Involutinidae
Textulariina
 Ammodiscoidea - Ammodiscidae
Lagenina
 Nodosariacea - Nodosariidae
Bivalvia
 Megalodontida - Megalodontidae
Rhynchonellata
 Rhynchonellida - Halorellidae
Anthozoa
 Zoantharia -
Scleractinia indet.1 Bourne 1900 stony coral
 Scleractinia - Procyclolitidae
Procyclolites sp. Frech 1890 stony coral
 Scleractinia - Astraeomorphidae
Astraeomorpha crassisepta Reuss 1854 stony coral
Astraeomorpha confusa Winkler 1861 stony coral
Parastraeomorpha miniscula2 stony coral
3 specimen fragments from this locale
Parastraeomorpha similis2 Roniewicz 1989 stony coral
2 specimen fragments from this locale
 Scleractinia - Reimaniphylliidae
Coryphyllia regularis Cuif 1974 stony coral
Retiophyllia aksuensis n. sp.2 Melnikova 2001 stony coral
Holotype. PIN no. 4598/45, 6 specimens from this locale
Retiophyllia cf. norica Frech 1890 stony coral
 Scleractinia - Margarophylliidae
Margarosmilia charlyana Frech 1890 stony coral
 Scleractinia - Tropidastraeidae
Chevalieria grandis2 stony coral
Holotype. PIN no. 4598/66, 2 specimens from this locale
 Scleractinia - Pamiroseriidae
Crassistella juvavica2 Frech 1890 stony coral
30 specimens from this locale
 Scleractinia - Stylophyllidae
Stylophyllopsis karauldyndaeaensis Melnikova 1972 stony coral
Stylophyllopsis karauldyndalaensis2 Melnikova 1972 stony coral
Holotype. PIN no. 4598/14, 12 fragment specimens from this locale
Demospongea
 Hadromerida - Celyphiidae
Uvanella irregularis Ott 1967 demosponge
Uvanella tegimentopora Senowbari-Daryan and Schäfer 1986 demosponge
 Vaceletida - Cheilosporitiidae
Cheilosporites tirolensis Wähner 1903 demosponge
 Agelasida - Solenolmiidae
 Agelasida - Auriculospongiidae
"Molengraafia regularis" = Molengraaffia
"Molengraafia regularis" = Molengraaffia demosponge
 Agelasida - Guadalupiidae
 Agelasida - Cryptocoeliidae
Cryptocoelia zitteli Steinmann 1882 demosponge
 Agelasida - Preperonidellidae
Precorynella pyriformis Klipstein 1843 demosponge
 Agelasida - Girtyocoeliidae
Enoplocoelia armata3 Klipstein 1843 demosponge
 Agelasida - Colospongiidae
Dasycladophyceae
 Dasycladales - Diploporaceae
Rhodophyceae
  - Solenoporaceae
Solenopora sp. Dybowski 1877
Foraminferea
 Miliolida - Hemigordiopsidae
 Miliolida - Milioliporidae