Lower Gleesons Creek, Cliefden Caves (Ordovician of Australia)

Also known as Reef 2482

Where: New South Wales, Australia (33.6° S, 148.9° E: paleocoordinates 15.8° N, 177.0° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Malongulli Formation, Eastonian (456.1 - 449.5 Ma)

• block in the lower 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 2696: 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

Demospongea
 Spirosclerophorida - Haplistiidae
Warrigalia elliptica n. gen. n. sp.
Warrigalia elliptica n. gen. n. sp. Rigby and Webby 1988 demosponge
 Lithistida - Streptosolenidae
Perissocoelia habra n. gen. n. sp. Rigby and Webby 1988 demosponge
Hudsonospongia cf. cyclostoma Raymond and Okulitch 1940 demosponge
Aulocopium aurantium Oswald 1847 demosponge
 Lithistida - Anthaspidellidae
Malongullospongia delicatula n. gen. n. sp., Gleesonia porosa n. gen. n. sp.
Malongullospongia delicatula n. gen. n. sp. Rigby and Webby 1988 demosponge
Gleesonia porosa n. gen. n. sp. Rigby and Webby 1988 demosponge
 Lithistida - Astylospongiidae
Astylostroma micra Rigby and Webby 1988 demosponge
Hexactinellida
 Lyssacinosa - Pseudolanciculidae
Pseudolancicula exigua n. gen. n. sp.
Pseudolancicula exigua n. gen. n. sp. Webby and Trotter 1993 glass sponge
  -
Silicunculus bengtsoni Webby and Trotter 1993 glass sponge
 Amphidiscosa - Pelicaspongiidae
Walliospongia gracilis n. gen. n. sp.
Walliospongia gracilis n. gen. n. sp. Rigby and Webby 1988 glass sponge
  -
Chelispongia prima Webby and Trotter 1993 glass sponge
Anomaloides reticulatus
  -