Pin Fm., Pin Valley, near Farka Muth village, unit P/13 (Ordovician of India)

Where: India (32.0° N, 78.1° E: paleocoordinates 22.6° S, 148.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Amorphognathus ordovicicus conodont zone, Pin Formation, Ashgill (449.5 - 443.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; sandy limestone

• The uppermost beds of P ⁄ 13 consist of reworked sediments (with an assumed hiatus at the boundary with P ⁄ 14). Unit P ⁄ 13 in particular consists of a highly diverse carbonate succession including a rich reef-related fauna and flora.
• limestone and nodular limestone beds

Size classes: mesofossils, microfossils

Primary reference: T. J. Suttner and A. Ernst. 2007. Upper Ordovician bryozoans of the Pin Formation (Spiti Valley, Northern India). Palaeontology 50(6):1485-1518 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 144041: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 29.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Stenolaemata
 Trepostomata - Trematoporidae
 Trepostomata - Heterotrypidae
Dekayia sp. Milne-Edwards and Haime 1851
 Fenestrata - Chasmatoporidae
 Fenestrata - Ralfinidae
 Fenestrata -
Pinocladia triangulata Suttner and Ernst 2007
 Esthonioporata - Revalotrypidae
? Revalotrypa sp. Bassler 1952
 Trepostomida - Monticuliporidae
 Trepostomida - Atactotoechidae
 Cystoporata - Ceramoporidae
Ceramopora sp. Hall 1851
 Cyclostomata - Corynotrypidae
Corynotrypa sp. Bassler 1911
  - Phylloporinidae
 Cryptostomata - Escharoporidae
 Cryptostomata - Ptilodictyidae
 Cryptostomata - Arthrostylidae
 Cryptostomata - Rhinoporidae