Mitchell River [Roma Series] (Cretaceous of Australia)

Where: Queensland, Australia (15.2° S, 141.6° E: paleocoordinates 54.3° S, 123.0° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Roma Group, Aptian (125.0 - 113.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Roma Series [here treated as a group], for which lithostratigraphic relationships are not stated. AGE: Gargasian or Bedoulian = Middle Aptian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: From unknown position in local section.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, blue claystone

• ENVIRONMENT: Not stated in text, but apparently shallow marine.
• SPECIFIC LITHOLOGY: Bluish claystones. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: surface (in situ),

• COLLECTOR: Not stated in text. REPOSITORY: Queensland Museum (QM).

Primary reference: F. W. Whitehouse. 1926. The Cretaceous Ammonoidea of Eastern Australia. Memoirs of the Queensland Museum 8(3):195-242 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83906: authorized by Austin Hendy, entered by Austin Hendy on 08.09.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Representative for ammonoidea. Other taxa may be present but are not reported in text. NOMENCLATURE: Authoritative publication, using antiquated taxonomy, but with species resolution identification where possible.
 Ammonitida - Beudanticeratidae
Aioloceras jonesi Gregory and Smith 1903 ammonite