Where: San Juan, Argentina (31.0° S, 68.8° W: paleocoordinates 36.2° S, 130.6° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: San Juan Formation, Arenigian (478.6 - 468.1 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified wackestone and lithified lime mudstone
Size class: macrofossils
Primary reference: M. S. Beresi and J. K. Rigby. 1993. The Lower Ordovician sponges of San Juan, Argentina. Brigham Young University Geology Studies 39:1-63 [A. Miller/P. Novack-Gottshall/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 119460: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Heteractinida | |
Heteractinida indet. Hinde 1888 | |
Hexactinellida | |
Hexactinellida indet. Schmidt 1870 glass sponge | |
Demospongiae | |
Hudsonospongia talacastensis n. sp., Aulocopium sanjuanensis n. sp.
Hudsonospongia talacastensis n. sp. Beresi and Rigby 1993 demosponge
Aulocopium sanjuanensis n. sp. Beresi and Rigby 1993 demosponge | |
Anthaspidella annulata n. sp., Anthaspidella inornata n. sp., Anthaspidella alveola n. sp., Patellispongia robusta n. sp., Rhopalocoelia clarkii, Rhopalocoelia rama n. sp., Archaeoscyphia minganensis, Archaeoscyphia nana n. sp., Talacastonia chela n. gen. n. sp., Calycocoelia perforata
Anthaspidella annulata n. sp. Beresi and Rigby 1993 demosponge
Anthaspidella inornata n. sp. Beresi and Rigby 1993 demosponge
Anthaspidella alveola n. sp. Beresi and Rigby 1993 demosponge
Patellispongia robusta n. sp. Beresi and Rigby 1993 demosponge
Rhopalocoelia clarkii Raymond and Okulitch 1940 demosponge
Rhopalocoelia rama n. sp. Beresi and Rigby 1993 demosponge
Archaeoscyphia minganensis Billings 1859 demosponge
Archaeoscyphia nana n. sp. Beresi and Rigby 1993 demosponge
Talacastonia chela n. gen. n. sp. Beresi and Rigby 1993 demosponge
Calycocoelia perforata Beresi and Rigby 1993 demosponge |