Where: Varese, Italy (45.8° N, 8.8° E: paleocoordinates 33.4° N, 17.5° E)
• coordinate estimated from map
When: Late/Upper Pliensbachian (189.6 - 183.0 Ma)
Environment/lithology: offshore shelf; red lime mudstone and red marl
Size class: macrofossils
Preservation: recrystallized
Collection methods: surface (in situ),
• Some 40 specimens, many of them virtually complete, were found by two amateur collectors, Mr Walter Paredi and Mr Piero Conca. These are now deposited in the Museo Civico di Storia Naturale di Milano (MSNM)
Primary reference: A. B. Smith and L. Anzalone. 2000. Loriolella, a key taxon for understanding the early evolution of irregular echinoids. Palaeontology 43(2):303-324 [W. Clyde/J. Finarelli/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 37504: authorized by Will Clyde, entered by John Finarelli on 15.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Millericrinidae indet. Jaeckel 1918 Sea lily | |
Echinoidea | |
Cidaridae indet. Gray 1825 pencil urchin | |
Hemicidaridae indet. Wright 1857 sea urchin | |
Loriolella ludovicii sea urchin | |
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Cephalopoda | |
Partschiceras partshi ammonite | |
Arieticeras cf. intumescens ammonite
Canavaria sp. Gemmellaro 1886 ammonite
Protogrammoceras meneghinii Bonarelli 1899 ammonite | |
Pleuroceras cf. spinatum Bruguière 1789 ammonite
Amaltheus margaritatus de Montford 1808 ammonite | |
| |
unclassified | |
Porifera indet. Grant 1836 |