Guadabraz, Sample AL158, Hornos-Siles Formation (Triassic of Spain)

Where: Andalucia, Spain (38.2° N, 2.8° W: paleocoordinates 2.9° N, 11.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hornos-Siles Formation, Ladinian (242.0 - 237.0 Ma)

• Upper Ladinian.

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; packstone and marl

• Internal shallow marine platform.
• Fossiliferous limestone, nodular, intensively bioturbated, alternating towards the top with an increasing amount of marls and claystones. Biogenic packstones and grainstones are dominant.

Size class: macrofossils

Preservation: mold/impression

Collection methods: bulk,

Primary reference: A. Marquez-Aliaga, F. Hirsch, and A. Lopez-Garrido. 1986. Middle Triassic bivalves from the Hornos-Siles Formation (Sephardic Province, Spain). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 173(2):201-227 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 44843: authorized by David Bottjer, entered by Matthew Clapham on 17.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Ostreida - Bakevelliidae
Bakevellia costata Schlotheim 1820 oyster
Gervillia joleaudi Schmidt 1935 oyster
 Pectinida - Prospondylidae
 Pectinida - Anomiidae
 Trigoniida - Myophoriidae
Costatoria goldfussi Alberti 1830 clam
 Carditida - Myophoricardiidae
Pseudocorbula gregaria Münster 1838 clam