Where: Chile (27.0° S, 69.3° W: paleocoordinates 25.1° S, 32.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: manflasensis ammonoid zone, Opalinum (175.6 - 171.6 Ma)

• Equivalent to Opalinum zone (or Opalinum+Scissum in other schemes).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, shelly/skeletal limestone

Size class: macrofossils

Collected by A. von Hillebrandt

• Repository: Servicio Nacional de Geologfa y Mineria (SNGM), Santiago

Primary reference: M. Aberhan and A. von Hillebrandt. 1996. Taxonomy, ecology, and palaeobiogeography of Gervilleioperna (Gervilleiognoma) aurita n. subgen, n. sp. (Bivalvia) from the Middle Jurassic of northern Chile. Paläontologische Zeitschrift 70:79-96 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139242: authorized by Matthew Clapham, entered by Matthew Clapham on 09.02.2013

Creative Commons license: CC BY (attribution)