L146. Regans Creek, Checkers, SE of Cargo (Ordovician of Australia)

Also known as Was: Regans Creek Limestone Fm., Checkers Mbr, Cargo District, New South Wales, Austr

Where: New South Wales, Australia (33.5° S, 148.9° E: paleocoordinates 15.8° N, 176.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Belodina confluens conodont zone, Checkers Member (Regans Creek Limestone Formation), Eastonian (456.1 - 449.5 Ma)

• Top of Ea2 given Percival et al. (2008_

• member-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified limestone

• Massive and thin-bedded limestone; middle shelf setting

Size class: macrofossils

Preservation: cast

Primary reference: I. Percival. 1991. Late Ordovician articulate brachiopods from central New South Wales, Australia. Memoir of the Association of Australasian Palaeontologists 11:107-177 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2754: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 17.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• Several references covering biostratigraphy and systematics (articulates, corals, and stromatoporoids)
Strophomenata
 Strophomenida - Syndielasmatidae
Sowerbyites isotes Percival 1991
 Strophomenida - Hesperomenidae
"Tylambonites speciosa" = Chaganella speciosa
"Tylambonites speciosa" = Chaganella speciosa Percival 1991
 Strophomenida - Leptellinidae
Leptellina sp. Ulrich and Cooper 1936
 Strophomenida - Strophomenidae
Molongcola variabilis Percival 1991
Rhynchonellata
 Pentamerida - Parallelelasmatidae
 Atrypida - Atrypinidae
 Atrypida - Cyclospiridae
? Cyclospira sp. Hall and Clarke 1893
originally entered as "Cyclospira? sp."
 Atrypida - Anazygidae
 Orthida - Hesperorthidae
Hesperorthis barbata Percival 1991
 Orthida - Giraldiellidae
Phaceloorthis decoris Percival 1991
Gastropoda
 Trochonematoidea - Lophospiridae
Lophospira sp. Whitfield 1886 snail
Stenolaemata
 Cryptostomata - Rhinidictyidae
Stictopora sp. Hall 1847
Anthozoa
 Auloporida - Auloporidae
Aulopora sp. Goldfuss 1829 tabulate coral
 Auloporida - Bajgoliidae
Bajgolia sp. Dzyubo 1962 tabulate coral
 Lichenariida - Lyoporidae
Eofletcheria sp. Bassler 1950 tabulate coral
Nyctopora sp. Nicholson 1879 tabulate coral
 Heliolitida - Coccoserididae
Coccoseris sp. Eichwald 1855 tabulate coral
 Heliolitida - Proporidae
Propora sp. Milne-Edwards and Haime 1849 tabulate coral
 Heliolitida - Heliolitidae
Heliolites sp. Dana 1846 tabulate coral
 Cystiphyllida - Tryplasmatidae
Hillophyllum sp. Webby 1971 horn coral
 Stauriida - Stauriidae
Palaeophyllum sp. Billings 1858 horn coral
Stromatoporoidea
 Labechiida - Rosenellidae
? Pseudostylodictyon sp. Ozaki 1938
originally entered as "Pseudostylodictyon? sp."
Cystostroma sp. Galloway and St Jean 1957
 Clathrodictyida - Actinodictyidae
Ecclimadictyon sp. Nestor 1964
Tetradium
  -
Tetradium sp. Dana 1846