Saiwan, Pachycyrtella Bed I5-1 (Permian of Oman)

Where: Oman (20.9° N, 57.6° E: paleocoordinates 44.5° S, 53.4° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Saiwan Formation, Sakmarian (293.5 - 290.1 Ma)

• 0-6 cm within bed

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, calcareous sandstone

• Shallow depths around the fair weather wave base

Size class: macrofossils

Primary reference: L. Angiolini. 2007. Quantitative palaeoecology in the Pachycyrtella bed, Early Permian of interior Oman. Palaeoworld 16:233-245 [M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 111044: authorized by Matthew Clapham, entered by Matthew Clapham on 18.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
  -
Gastropoda "sp. 1" Cuvier 1795 snail
Gastropoda "sp. 2" Cuvier 1795 snail
Bivalvia
 Cardiida - Kalenteridae
Stutchburia sangallii n. sp. Larghi 2005 clam
 Carditida - Astartidae
Astartella obliqua Dickins 1963 clam
 Mytilida - Mytilidae
Promytilus mazzolenii n. sp. Larghi 2005 mussel
 Cyrtodontida - Cyrtodontidae
Dickinsartella pistacina Larghi 2005 clam
 Nuculida - Nuculidae
"Nuculopsis cf. bangarraensis" = Nuculavus bangarraensis
"Nuculopsis cf. bangarraensis" = Nuculavus bangarraensis Dickins 1963 nut clam
Rhynchonellata
 Spiriferinida - Syringothyrididae
Pachycyrtella omanensis Angiolini 2001
 Spiriferinida - Paraspiriferinidae
Callispirina sp. Cooper and Muir-Wood 1951
 Spiriferida - Trigonotretidae
Trigonotreta sp. Koenig 1825
 Terebratulida -
Strophomenata
 Orthotetida - Schuchertellidae
 Productida - Strophalosiidae
Strophalosia sp. King 1844
Subtracted 11 individuals for S. ericinia, not listed in table
Strophalosia ericinia n. sp. Angiolini 2007
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831