New Chum clay pits, Dinmore (Eocene of Australia)

Where: Queensland, Australia (27.6° S, 152.8° E: paleocoordinates 48.3° S, 153.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Redbank Plains Formation, Ypresian (56.0 - 47.8 Ma)

• Overlying basalts dated at 45 Ma, so no younger than Eocene. Paleocene age is possible but Eocene is most widely accepted.

Environment/lithology: lacustrine - small; lithified, brown, yellow, muddy ironstone

• A shallow, permanent lake with a floor of "mud, decayed vegetable matter and algae"
• The matrix is a dark yellowish brown clay ironstone

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collection methods: Repository: Queensland Museum (Austrosialis specimen illustrated by Lambkin, 1992). Euporismites collected in 1986 by Andrew Rozefelds.

Primary reference: J. Ansorge. 2001. Dobbertinia reticulata Handlirsch 1920 from the Lower Jurassic of Dobbertin (Mecklenburg/Germany) - the oldest representative of Sialidae (Megaloptera). Neues Jahrbuch für Geologie und Paläontologie, Monatshefte 2001(9):553-564 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139941: authorized by Matthew Clapham, entered by Matthew Clapham on 25.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Megaloptera - Sialidae
Austrosialis sp.
Austrosialis sp. Tillyard 1919 alderfly
QM F21638
 Neuroptera - Osmylidae
Euporismites balli
Euporismites balli Tillyard 1916 lance lacewing
QM F14376