Koingnass (50m Unit) (Carrington collection) (Miocene of South Africa)

Where: South Africa (30.2° S, 17.3° E: paleocoordinates 30.4° S, 16.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Alexander Bay Formation, Messinian (7.2 - 5.3 Ma)

• The 50 m terrace in coastal Namibia now dated at circa 6-7 million years (Pickford & Senut, 1999; Stollhofen et al., 2014).

• group of beds-level stratigraphic resolution

Environment/lithology: shoreface; unlithified sandstone

• Includes upper shoreface and lower shoreface environments. Also includes sediments interpreted as belonging to a barrier complex, including tidal inlet deposits and back-barrier environments. Also includes lower shoreface environment.
• sands deposited in an upper-lower shoreface setting

Size classes: macrofossils, mesofossils

Collected by A. J. Carrrington; reposited in the BMNH

• Repository: South African Museum

Primary reference: C. H. C. Brunton and N. Hiller. 1990. Late Cainozoic Brachiopods from the coast of Namaqualand, South Africa. Palaeontology 33(2):313-342 [M. Clapham/M. Manojlovic]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 152993: authorized by Matthew Clapham, entered by Marko Manojlovic on 04.12.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Terebratulida - Cancellothyrididae
Cancellothyris platys
Cancellothyris platys Brunton and Hiller 1990
2 shells, 3 pedicle and 3 brachial valves
 Terebratulida - Kraussinidae
Kraussina rotundata, Kraussina cuneata n. sp., Kraussina laevicostata, Kraussina lata
Kraussina rotundata Brunton and Hiller 1990
3 shells and a few incomplete valves
Kraussina cuneata n. sp. Brunton and Hiller 1990
1 shell and 10 incomplete valves
Kraussina laevicostata Brunton and Hiller 1990
5 incomplete brachial valves and one pedicle valve
Kraussina lata Haughton 1932
7 pedicle valves (including neotype) and 14 brachial valves