Where: San Luis, Argentina (32.3° S, 65.5° W: paleocoordinates 49.1° S, 59.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Pallero Member (Bajo de Veliz Formation), Kasimovian to Kasimovian (307.0 - 298.9 Ma)
• The fossil plants include species of the Gangamopteris biozone and their content corresponds to the Lubeckense flora that corresponds to the Carboniferous–Permian boundary. The palynoflora suggested different age such as Permian (Sakmarian; Menéndez 1971) or earliest Permian (Gutiérrez & Césari 2000). Radiometric dating of other correlated units (e.g. La Colina, La Rioja Province) brings a middle Stephanian age (295 ± 6 Ma, Late Carboniferous; Archangelsky et al. 1995). Correlated with the Patquia Formation, which is as old as mid-Moscovian at its base.
Environment/lithology: "floodplain"; gray, silty siltstone
Size class: macrofossils
Preservation: mold/impression
Collected by M. Hunicken, I. D. Pinto
Collection methods: quarrying,
Primary reference: I. D. Pinto and L. P. de Ornellas. 1978. Upper Carboniferous Insects from Argentina. I-Família Diaphanopteridae (Megasecopteroidea). Pesquisas 10:87-95 [M. Clapham/J. Karr/J. Karr]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 35057: authorized by Dena Smith, entered by April Kinchloe on 28.10.2003, edited by Jered Karr, Matthew Clapham and Sandra Schachat
Creative Commons license: CC BY (attribution)
Taxonomic list
Arachnida | |
Gondwanarachne argentinensis8 Pinto and Hünicken 1980 | |
Euchelicerata | |
Megarachne servinei n. gen. n. sp.1
| |
Insecta | |
Velisoptera taschi n. gen. n. sp.5
Velisoptera taschi n. gen. n. sp.5 Pinto and Adami-Rodrigues 1997 winged insect CORD-PZ-2098, 2102, 2103, 3201
| |
Diaphpterum rasnitsyni n. gen. n. sp.9
| |
| |
Sphecorydaloides lucchesei n. gen. n. sp.3
| |
"Philiasptilon huenickeni n. sp." = Sinitshenkovae huenickeni
"Philiasptilon huenickeni n. sp." = Sinitshenkovae huenickeni Pinto and de Ornellas 1978 winged insect CORD-PZ 2100
| |
"Paranarkemina amosi n. sp." = Argentinonarkemina amosi2, "Paranarkemina kurtzi n. gen. n. sp." = Paranarkemina kurtzi6, "Paranarkemina velizensis n. sp." = Paranarkemina kurtzi7
"Paranarkemina kurtzi n. gen. n. sp." = Paranarkemina kurtzi6 Pinto and De Ornellas 1980 winged insect CORD-PZ-2099
"Paranarkemina velizensis n. sp." = Paranarkemina kurtzi7 Pinto and De Ornellas 1980 winged insect CORD-PZ-81; collected by F. Kurtz, 1894-1895
| |
Rigattoptera ornellasae n. gen. n. sp.4
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