Upper Gleesons Creek, Cliefden Caves (Ordovician to of Australia)

Also known as Reef 2482

Where: New South Wales, Australia (33.6° S, 148.9° E: paleocoordinates 15.2° N, 175.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Malongulli Formation, Eastonian to Eastonian (456.1 - 443.7 Ma)

• block in the middle part of the formation, Malongulli Formation is Late Eastonian-Early Bolindian (Katian-lowest Hirnantian)

• bed-level stratigraphic resolution

Environment/lithology: slope or ramp reef; lithified limestone and lithified siltstone

• small sponge biostromes
• limestone breccia containing an intermixture of shallow-water coral limestone clasts and blocks of deeper-water dark-grey lime mudstones and wackestones with sponges; embedded in graptolitic and spiculitic siltstones and shale

Size class: macrofossils

Primary reference: J. K. Rigby and B. D. Webby. 1988. Late Ordovician sponges from the Malongulli Formation of central New South Wales, Australia. Palaeontographica Americana 56:1-147 [A. Miller/P. Novack-Gottshall/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 2697: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 14.07.1999, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Streptosclerophorida - Hindiidae
Hindia sphaeroidalis Duncan 1879 demosponge
 Lithistida - Streptosolenidae
Perissocoelia habra Rigby and Webby 1988 demosponge
Hudsonospongia cf. cyclostoma Raymond and Okulitch 1940 demosponge
 Lithistida - Astylospongiidae
Astylostroma micra n. gen. n. sp.
Astylostroma micra n. gen. n. sp. Rigby and Webby 1988 demosponge
 Lithistida - Anthaspidellidae
Patellispongia australis Rigby and Webby 1988 demosponge
Hexactinellida
  -
Chelispongia prima Webby and Trotter 1993 glass sponge