Bed 15 of the Robat-e-Pai section (Devonian to of Afghanistan)

Where: Herat, Afghanistan (34.6° N, 62.0° E: paleocoordinates 34.6° N, 62.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Givetian to Givetian (387.7 - 372.2 Ma)

• Bed 15 is 5m thick

Environment/lithology: marine; gray limestone

• section is inverted, with an average dip of 55 degrees to the north
• alternating grey limestone, thin bedded and very fossiliferous

Size class: macrofossils

Collection methods: Originals are housed in the Geological Institute of the University of Kabul (GIFa/Fa).

Primary reference: M. Farsan. 1981. New Asteropyginae (Trilobita) from the Devonian of Afghanistan. Palaeontographica Abteilung A 176(4-6):158-171 [A. Miller/J. Sessa]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 70144: authorized by Arnold Miller, entered by Jocelyn Sessa on 19.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Lophophorata
 Tentaculitida - Multiconidae
Multiconus sp. Ljaschenko 1955
 Tentaculitida - Tentaculitidae
 Tentaculitida -
 Tentaculitida - Uniconidae
Uniconus sp. Ljaschenko 1955
Uniconus sp. A and sp. B
Strophomenata
 Orthotetida - Chilidiopsidae
Xystostrophia umbraculum von Schlotheim 1820
 Strophomenida - Chonetidae
 Strophomenida - Amphistrophiidae
 Strophomenida - Leptodontellidae
Rhynchonellata
 Orthida - Rhipidomellidae
 Orthida - Schizophoriidae
 Atrypida - Atrypidae
Spinatrypa sp. Stainbrook 1951
Spinatrypa sp. 1 and sp. 2
Desquamatia sp. Alekseeva 1960
"Atrypa" sp. Dalman 1828
 Spiriferinida - Cyrtinidae
 Spiriferida - Spinocyrtiidae
? Orthospirifer sp. Pitrat 1975
 Spiriferida - Cyrtospiriferidae
Cyrtospirifer sp. Nalivkin 1924
 Spiriferida - Reticulariidae
Tentaculita
 Homoctenida - Homoctenidae
Homoctenus sp. Ljaschenko 1955
Homoctenus sp. A
 Volynitida - Dicricoconidae
Trilobita
 Phacopida - Acastidae
"Neocalmonia heratensis n. sp." = Radiopyge heratensis Farsan 1981 trilobite
Neocalmonia (Radiopyge) heratensis n. subgen, n. sp.
Neocalmonia mariamae trilobite
Neocalmonia (Heliopyge) mariamae n. sp.
Neocalmonia pentacosta trilobite
Neocalmonia (Heliopyge) pentacosta n. sp.
Neocalmonia erbeni trilobite
Neocalmonia (Neocalmonia) erbeni n. sp.
Neocalmonia zendadjanensis n. sp. trilobite
Neocalmonia (Hexacosta) zendadjanensis n. subgen, n. sp. Besides the holotype and 1 paratype, 1 pygidium and 1 complete cephalon were found.