Pin-Spiti confluence reef, India (Triassic of India)

Also known as Reef 29

Where: India (32.1° N, 78.2° E: paleocoordinates 24.0° S, 47.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Nimaloksa Formation (Lilang Group), Alaunian (215.6 - 212.0 Ma)

• member-level stratigraphic resolution

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

• 35 m thick reef limestone

Size classes: macrofossils, mesofossils

Preservation: replaced with dolomite

Collection methods: peel or thin section

Primary reference: O. N. Bhargava and U. K. Bassi. 1985. Upper Triassic coral knoll reefs: Middle Norian, Spiti-Kinnaur, Himachal Himalaya, India. Facies 12:219-242 [W. Kiessling/W. Kiessling/B. Brenneis]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 36386: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 28.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
  -
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Rhynchonellata
 Spiriferinida - Spiriferinidae
 Rhynchonellida - Rhynchonellidae
Rhynchonella sp. Fischer 1809
Anthozoa
 Scleractinia - Microsolenidae
"Spongiomorpha ramosa" = Eocomoseris ramosa
"Spongiomorpha ramosa" = Eocomoseris ramosa Frech 1890 stony coral
 Scleractinia - Astraeomorphidae
 Scleractinia - Cyclophylliidae
"Cyclophyllia cyclica" = Cycliphyllia cyclica1
"Cyclophyllia cyclica" = Cycliphyllia cyclica1 Schaffer and Senowbari-Daryan 1978 stony coral
 Scleractinia - Pamiroseriidae
"Thamnasteria rectilamellosa" = Pamiroseris rectilamellosa
"Thamnasteria rectilamellosa" = Pamiroseris rectilamellosa Winkler 1861 stony coral
 Scleractinia - Stylophyllidae
Pinacophyllum ? sp. Frech 1890 stony coral
Demospongea
 Axinellida - Cladocoropsidae
aff. Cladocoropsis sp. Felix 1907 demosponge
 Vaceletida - Verticillitidae
Cinnabaria expansa2 Seilacher 1962 demosponge
 Agelasida - Solenolmiidae
Paradeningeria sp., "Dictyocoelia ? sp." = Solenolmia
Paradeningeria sp. Senowbari-Daryan and Schäfer 1979 demosponge
"Dictyocoelia ? sp." = Solenolmia Pomel 1872 demosponge
 Chaetetida - Chaetetidae
Chaetetidae indet. Milne-Edwards and Haime 1850 demosponge
Calcarea
 Calcaronea - Stellispongiidae
Peronidella ? sp. Hinde 1893 calcareous sponge
Foraminferea
 Miliolida - Ophthalmidiidae
Ophthalmidium sp. Kübler and Zwingli 1870
 Miliolida - Hemigordiopsidae
Agathammina sp. Neumayr 1887
 Miliolida - Milioliporidae
 Miliolida - Miliolidae
Sigmoilina sp. Schlumberger 1887