Callytharra Springs, cycle -1 (Permian of Australia)

Where: Western Australia, Australia (25.9° S, 115.5° E: paleocoordinates 60.6° S, 99.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, fine-grained, sandy mudstone

• Seaward of normal wave base ridge. Low salinity or salinocline often in close proximity to sediment surface.
• Fine siliciclastic sandy mudstones. Highly variable sand:mud ratios. Rare abraded brachiopod and bryozoan sand.

Size class: macrofossils

Primary reference: M. Dixon and D. W. Haig. 2004. Foraminifera and their habitats within a cool-water carbonate succession following glaciation, Early Permian (Sakmarian), Western Australia. Journal of Foraminiferal Research 34:308-324 [M. Clapham/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 95197: authorized by Matthew Clapham, entered by Matthew Clapham on 11.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

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Foraminifera
 Lagenina - Ichtyolariidae
Protonodosaria teretra
 Ammodiscoidea - Ammodiscidae
Glomospirella nyei
 Textulariina - Hyperamminidae
Hyperammina coleyi, Hyperammina callytharaensis
 Hormosinacea - Hormosinidae
? Reophax sp.
? Reophax sp. Montfort 1808
Tubothalamea
 Miliolida - Miliolidae
Ammovertella inclusa
Foraminifera
  - Spiroplectamminidae
Spiroplectammina eccentrica
Bivalvia
 Pectinida - Eurydesmatidae
Eurydesma playfordi
Eurydesma playfordi Dickins 1957 scallop