Where: Argentina (31.0° S, 69.0° W: paleocoordinates 34.8° S, 132.2° W)
• local area-level geographic resolution
When: Ahtiella argentina brachiopod zone, San Juan Formation, Early/Lower Llanvirn (468.0 - 461.1 Ma)
• Lower Llanvirn section of San Juan Fm.
• formation-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, dolomitic, shelly/skeletal, argillaceous limestone and marl
Size class: macrofossils
Primary reference: Z. A. Herrera and J. L. Benedetto. 1987. El genero Reinversella (Brachiopoda) en el Ordovicico temprano de la Precordillera Argentina y su significado paleobiogeografico. Actas del decimo congreso geologico argentino 3:77-80 [A. Miller/P. Novack-Gottshall]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 8748: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 28.08.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
"Basiliella sp." = Basilicus (Basiliella)
"Basiliella sp." = Basilicus (Basiliella) Kobayashi 1934 trilobite | |
Mendolaspis sp. Rusconi 1951 trilobite
Ampyx sp. Dalman 1827 trilobite | |
Scotoharpes sp. Lamont 1948 trilobite | |
Illaenus sp. Dalman 1827 trilobite | |
Annamitella sp. Mansuy 1920 trilobite | |
Waisfeldaspis sp. Vaccari 2001 trilobite | |
Gastropoda | |
Maclurites sp. Le Sueur 1818 snail | |
Rostroconchia | |
Talacastella herrerai Sanchez 1986 | |
Rhynchonellata | |
Valcourea sp. Raymond 1911 | |
Pleurorthis sp. Cooper 1956 | |
Orthidium sp. Hall and Clarke 1892 | |
Platystrophia sp. King 1850 | |
Nanorthis sp. Ulrich and Cooper 1936 | |
Phragmorthis sp. Cooper 1956 | |
Paurorthis sp. Schuchert and Cooper 1931 | |
Idiostrophia sp. Ulrich and Cooper 1936
Camerella sp. Billings 1859 | |
Strophomenata | |
Pomatotrema sp. Ulrich and Cooper 1932 | |
Tritoechia sp. Ulrich and Cooper 1936 | |
Leptellina sp. Ulrich and Cooper 1936 | |
Taffia anomala, Sanjuanella plicata, Inversella sp., Inversella (Reinversella) arancibiai, Ahtiella argentina, Leptella sp., Petroria rugosa
Taffia anomala Benedetto and Herrera 1986
Inversella sp. Opik 1933
Ahtiella argentina Benedetto and Herrera 1986
Leptella sp. Hall and Clarke 1892
Petroria rugosa Wilson 1926 | |
Stenolaemata | |
Hallopora sp. Bassler 1911 | |
Heteractinida | |
Chilcaia sp. Carrera 1994 | |
Demospongiae | |
Lissocoelia sp. Bassler 1927 demosponge
Allosaccus sp. demosponge
Aulocopium sp. Oswald 1847 demosponge
Hudsonospongia sp. Raymond and Okulitch 1940 demosponge | |
Anthaspidella sp., Patellispongia sp., Calycocoelia sp., Psarodictyum sp., Rhopalocoelia sp., Incrassospongia sp., Talacastonia sp., Archaeoscyphia sp., Protachilleum sp.
Anthaspidella sp. Ulrich and Everett 1889 demosponge
Patellispongia sp. Bassler 1927 demosponge
Calycocoelia sp. Bassler 1927 demosponge
Psarodictyum sp. Raymond and Okulitch 1940 demosponge
Rhopalocoelia sp. Raymond and Okulitch 1940 demosponge
Incrassospongia sp. Rigby 1977 demosponge
Talacastonia sp. Beresi and Rigby 1993 demosponge
Archaeoscyphia sp. Hinde 1889 demosponge
Protachilleum sp. Zittel 1877 demosponge | |
Rugospongia sp. Carrera 1996 demosponge |