Georgina Basin [Chatsworth Limestone] (Cambrian to of Australia)

Where: Queensland, Australia (23.5° S, 139.8° E: paleocoordinates 23.2° N, 176.5° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Chatsworth Limestone Formation, Iverian to Iverian (494.0 - 488.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Chatsworth Limestone, for which lithostratigraphic relationships are not discussed. AGE: Late Cambrian; here assigned to Furongian. STRATIGRAPHIC POSITION: From unknown position within local section; here regarded as formation-resolution data. PJW: Chatsworth is Iverian - Payntonian in age.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• SPECIFIC LITHOLOGY: Limestone. LITHIFICATION: Lithified, on the basis of facies description and preparation techniques.

Size class: macrofossils

Collection methods: bulk, chemical,

• COLLECTOR: Presumably Nicholl, c. 1990's. REPOSITORY: Commonwealth Palaeontological Collection, Australia Geological Survey Organization, Canberra.

Primary reference: G. C. Young, V. N. Karatajute-Talimaa, and M. M. Smith. 1996. A possible Late Cambrian vertebrate from Australia. Nature 383:810-812 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90359: authorized by Austin Hendy, entered by Austin Hendy on 17.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Restricted to taxa informally mentioned in text. NOMENCLATURE: Not an authoritative publication, and with uncertain identifications given preservation state and taxonomic knowledge.
Show authors, comments, and common names
unclassified
  -
Koldinionidea sp.1
Conodonta
 Protopanderodontida - Oneotodontidae
Teridontus nakamurai2
Teridontus nakamurai2 Nogami 1967 conodont
unclassified
  -
Vertebrata indet.
Vertebrata indet. Lamarck 1801
Similar to Ordovician pteraspidomorph agnathan Porophoraspis
Trilobita
 Olenida - Idahoiidae
Maladioidella sp.1
Maladioidella sp.1 Endo 1937 trilobite
 Olenida - Dokimokephalidae
Wuhuia sp.1
Wuhuia sp.1 Kobayashi 1933 trilobite
 Corynexochida - Missisquoiidae
Parakoldinioidia sp.1
Parakoldinioidia sp.1 Endo 1937 trilobite
 Corynexochida - Leiostegiidae
Prochuangia sp.1
Prochuangia sp.1 Kobayashi 1935 trilobite
 Corynexochida - Kaolishaniidae
Peichiashania sp.1
Peichiashania sp.1 Chang 1959 trilobite
 Ptychopariida -
Taishania sp.1
Taishania sp.1 Sun 1935 trilobite
 Asaphida - Ceratopygidae
Haniwoides sp.1
Haniwoides sp.1 Kobayashi 1953 trilobite
  - Changshaniidae
Wentsuia sp.1
Wentsuia sp.1 Sun 1935 trilobite
1Kobayashi 1986; 2Nicoll 1994