Where: Sardinia, Italy (30.3° N, 8.7° E: paleocoordinates 74.1° S, 114.4° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Amorphognathus ordovicicus conodont zone, Punta S'Argiola Member (Domusnovas Formation), Kralodvorian (449.8 - 445.2 Ma)
• Near to of the member.
• group of beds-level stratigraphic resolution
Environment/lithology: offshore shelf; lithified, shelly/skeletal, calcareous mudstone
Size classes: macrofossils, mesofossils
Collection methods: BA 5/6 Foliomena community; Member occurs in five outcrops, but is only .89 to 1.5 meters thick, (on average 1.1 m). All the photographed specimens come from these two locations (only approx. 15 km apart) and so I will consider this a pooled sample, despite more than one location.
Primary reference: F. Leone, A. Ferretti, W. Hammann, A. Loi, G. L. Pillola and E. Serpagli. 1998. Outline of the post-Sardic Ordovician sequence in south-westem Sardinia. Giornale di Geologia 60:39-56 [P. Wagner/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 192914: authorized by Pete Wagner, entered by Pete Wagner on 25.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Cornuodus bergstroemi conodont | |
Plectodina cf. alpina Serpagli 1967 conodont | |
Scabbardella altipes Hennigsmoen 1948 conodont | |
Sagittodontina robusta Knüpfer 1967 conodont | |
Birksfeldia cf. circumplicata, "Amorphognathus lindstroemi" = Amorphognathus duftonus, Amorphognathus ordovicicus, Icriodella cf. superba
Birksfeldia cf. circumplicata Orchard 1980 conodont
"Amorphognathus lindstroemi" = Amorphognathus duftonus Rhodes 1955 conodont
Amorphognathus ordovicicus Bergström and Bergström 1996 conodont
Icriodella cf. superba conodont | |
Panderodus gracilis Branson and Mehl 1933 conodont | |
Hamarodus europaeus Serpagli 1967 conodont
Ansella cf. pseudorobusta Serpagli 1967 conodont | |
? Walliserodus ""camiodiform" element" Serpagli 1967 conodont | |
Dapsilodus mutatus Branson and Mehl 1933 conodont | |
Conodontophorida | |
Istorinus erectus Knüpfer 1967 | |
Trilobita | |
"Ulugtella angelini" = Illaenus angelini
"Ulugtella angelini" = Illaenus angelini Holm 1882 trilobite | |
Paraphillipsinella aff. nanjiangensis trilobite | |
Calipernurus cf. immanis trilobite | |
Dicranopeltis cf. polytoma Angelin 1854 trilobite | |
Nankinolithus granulatus Wahlenberg 1818 trilobite | |
"Symphysops armata" = Symphysops armatus, Cyclopyge marginata
"Symphysops armata" = Symphysops armatus Barrande 1872 trilobite
Cyclopyge marginata trilobite | |
Shumardia extensa Weir 1959 trilobite | |
"Deloites maiderensis" = Eudolatites (Deloites) maederensis, Dreyfussina struvei
"Deloites maiderensis" = Eudolatites (Deloites) maederensis Destombes 1972 trilobite
Dreyfussina struvei Destombes 1963 trilobite | |
Stubblefieldia sp. Prantl and Pribyl 1947 trilobite | |
Ovalocephalus tetrasulcatus Kielan 1960 trilobite | |
Staurocephalus clavifrons Angelin 1878 trilobite | |
Artiopoda | |
Arthrorhachis tarda Barrande 1846 |