Chaghna Valley (Permian of Afghanistan)

Where: Afghanistan (33.6° N, 68.0° E: paleocoordinates 37.9° S, 64.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Zygar Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: H. Termier and G. Termier. 1971. Bryozoaires du Paleozoique superieur de l'Afghanistan. Documents des Laboratoires de Géologie de la Faculté des Sciences de Lyon 47:1-52 [M. Clapham/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88693: authorized by Matthew Clapham, entered by Matthew Clapham on 18.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Stenolaemata
 Cryptostomata - Acanthocladiidae
"Pustulopora sp." = Polypora
"Pustulopora sp." = Polypora
 Cryptostomata - Septoporidae
 Cryptostomata - Fenestellidae
Rugofenestella cf. ivanovi Shulga-Nesterenko 1951
"Aequifenestella tenax" = Rectifenestella tenax Ulrich 1888
 Trepostomida - Dyscritellidae
Dyscritella lapparenti n. sp. Termier and Termier 1971
 Trepostomida - Stenoporidae
Rhombotrypella boulangei Termier and Termier 1971
var. chaghnensis nov.
 Cystoporida - Sulcoreteporidae
 Cystoporida - Goniocladiidae
Goniocladia afghana Termier and Termier 1971
 Cystoporida - Hexagonellidae