Where: Switzerland (47.4° N, 7.7° E: paleocoordinates 36.3° N, 15.5° E)
• coordinate stated in text
• hand sample-level geographic resolution
When: Pliensbachian (190.8 - 182.7 Ma)
• 10 cm bed
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, yellow claystone
Size classes: macrofossils, mesofossils, microfossils
Collection methods: bulk, sieve,
Primary reference: H. Hess. 1962. Mikropaläontologische Untersuchungen an Ophiuren II. Die Ophiuren aus dem Lias (Pliensbachien-Toarcien) von Seewen (Kt. Solothurn). Bericht der schweitzerischen palaeontologischen Gesellschaft 55(2):609-656 [L. Villier/L. Villier]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 58314: authorized by Loic Villier, entered by Loic Villier on 31.01.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Ostracoda | |
Bairdia sp. M'Coy 1844 ostracod | |
Hungarella amalthei, Hungarella sp. n. sp.
Hungarella amalthei ostracod
Hungarella sp. n. sp. ostracod | |
Cephalopoda | |
Prodactylioceras davoei Sowerby 1822 ammonite | |
Amaltheus sp. de Montfort 1808 ammonite
Amaltheus margaritatus de Montford 1808 ammonite
Androgynoceras capricornum ammonite | |
Lytoceratidae indet. Neumayr 1875 ammonite | |
Crinoidea | |
"Balanocrinus subteroides" = Balanocrinus subsulcatus, Isocrinus sp.
"Balanocrinus subteroides" = Balanocrinus subsulcatus Munster 1831 Sea lily
Isocrinus sp. von Meyer 1836 Sea lily | |
Ophiuroidea | |
"Palaeocoma gaveyi" = Palaeocoma milleri
"Palaeocoma gaveyi" = Palaeocoma milleri Phillips 1829 brittle star 124 lateral shields, 51 vertebrae, 12 dorsal and ventral shields
| |
? Ophiacantha dorecki n. sp.
| |
"Hemieuryale lunaris" = Sigsbeia lunaris
| |
Ophiomusium solodurense n. sp.
| |
"? Ophiopinna helvetica" = Sinosura brodiei
"? Ophiopinna helvetica" = Sinosura brodiei Wright 1866 brittle star 231 lateral shields, 30 vertebrae
| |
Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin | |
Foraminifera | |
Nodosariata | |
"Astacolus matutina" = Lenticulina munsteri
"Astacolus matutina" = Lenticulina munsteri Roemer 1839 | |
Foraminifera | |
"Marginulina prima" = Cristellaria (Marginulina)
"Marginulina prima" = Cristellaria (Marginulina) |