Gordon Subgroup/Karmberg, Florentine Synclimorium, Tasmania, Australia (Ordovician of Australia)

Where: Tasmania, Australia (42.0° S, 146.0° E: paleocoordinates 9.7° N, 174.9° W)

• local area-level geographic resolution

When: Karmberg Formation, Darriwilian (467.3 - 458.4 Ma)

• Gordon subgroup. Lower part of formation correlates with cephalopod-bearing bed of Upper Canadian age (therefore Late Arenig). (Was Arenig - Yapeenian; http://dbforms.ga.gov.au/pls/www/geodx.strat_units.sch_full?wher=stratno=9290 lists this as Darriwilian. PJW.)

•

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, pyritic, calcareous limestone and siltstone

• Lithology as impure nodular limestone and calcareous siltstone, large spherulites of pyrite commonly oxidized to limonite. Environment was quiet water, carbonate platform.

Primary reference: K. D. Corbett and M. R. Banks. 1974. Ordovician stratigraphy of the Florentine Synclinorium, southwest Tasmania. Papers and Proceedings of the Royal Society of Tasmania 107:207-238 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2674: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 14.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Phyllograptidae
Phyllograptus sp., Phyllograptus sp.
Phyllograptus sp. Hall 1858 graptolite
"sp. 2" - originally entered as "Phyllograptus sp. 2"
Phyllograptus sp. Hall 1858 graptolite
"sp. 1" - originally entered as "Phyllograptus sp. 1"
Ostracoda
 Leperditicopida - Leperditiidae
Eoleperditia sp.
Eoleperditia sp. Swartz 1949 ostracod
Trilobita
 Phacopida - Pliomeridae
Pliomeridae indet., ? Pliomerina sp., Cybelopsis sp.
Pliomeridae indet. Raymond 1913 trilobite
? Pliomerina sp. Chugaeva 1956 trilobite
originally entered as "Pliomerina? sp."
Cybelopsis sp. Poulsen 1927 trilobite
 Corynexochida - Missisquoiidae
Tasmanocephalus sp.
Tasmanocephalus sp. kobayashi 1936 trilobite
 Corynexochida - Illaenidae
Platillaenus sp.
Platillaenus sp. Jaanusson 1954 trilobite
 Asaphida - Asaphidae
Asaphellus sp.
Asaphellus sp. Callaway 1877 trilobite
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp., Trinodus sp.
Geragnostus sp. Howell 1935
Trinodus sp. M'Coy 1846
Strophomenata
 Strophomenida - Taffiidae
Spanodonta sp.
 Strophomenida - Plectambonitidae
Plectambonitidae indet.
Plectambonitidae indet. Kozlowski 1929
 Billingsellida - Polytoechiidae
Tritoechia sp.
Tritoechia sp. Ulrich and Cooper 1936
Cephalopoda
 Bisonocerida - Piloceratidae
Piloceras sp.
Piloceras sp. Salter 1859
 Bisonocerida - Manchuroceratidae
Manchuroceras sp., Manchuroceras sp.
Manchuroceras sp. Ozaki 1927
"sp. 1" - originally entered as "Manchuroceras sp. 1"
Manchuroceras sp. Ozaki 1927
"sp. 2" - originally entered as "Manchuroceras sp. 2"
 Endocerida - Endoceratidae
Allocotoceras sp., Suecoceras sp.
Allocotoceras sp. Teichert and Glenister 1953
Suecoceras sp. Holm 1896