Isoroy Homestead [Allaru Fm] (Cretaceous of Australia)

Where: Queensland, Australia (24.8° S, 146.0° E: paleocoordinates 56.2° S, 135.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Allaru Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Allaru Fm, which overlies the Toolebuc Fm (Late Albian), and is overlain by the Mackunda Fm (latest Albian). AGE: Late Albian, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation at this section.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

• ENVIRONMENT: Not stated, but presumably marine siliciclastic setting.
• SPECIFIC LITHOLOGY: Not stated, but presumably siliciclastic. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: surface (in situ),

• COLLECTOR: Henderson, R.A., among other collectors: D. McKenzie. REPOSITORY: Queensland Museum, Australian Museum, Geological Survey of Queensland.

Primary reference: K. J. McNamara. 1978. Myloceras (Ammonoidea) from the Albian of central Queensland. Alcheringa 2(3):231-242 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83754: authorized by Austin Hendy, entered by Austin Hendy on 29.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to taxa described and mentioned incidentally in text, among ammonoids Other taxa may be present, but are not discussed. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
Bivalvia
 Pectinida - Aviculopectinidae
"Pseudavicula sp." = Prisodontopsis
"Pseudavicula sp." = Prisodontopsis Tomlin 1928 scallop
 Pectinida - Buchiidae
 Myalinida - Inoceramidae
 Hiatellida - Hiatellidae
Cephalopoda
 Ammonitida - Labeceratidae
"Myloceras nautiloides" = Aleteceras nautiloides Etheridge 1909 ammonite
Myloceras cf. baccatum Whitehouse 1926 ammonite
Myloceras auritulum McNamara 1978 ammonite
 Ammonitida - Brancoceratidae
"Prohysteroceras (Goodhallites) richardsoni" = Goodhallites, Goodhallites goodhalli
"Prohysteroceras (Goodhallites) richardsoni" = Goodhallites ammonite
Goodhallites goodhalli Sowerby 1820 ammonite