Where: Italy (45.9° N, 8.9° E: paleocoordinates 7.0° N, 21.6° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Grenzbitumenzone Member (Besano Formation), Illyrian (247.2 - 242.0 Ma)
• Grenzbitumenzone spans Illyrian-Fassanian (Anisian-Ladinian) boundary but vast majority is Illyrian
• group of beds-level stratigraphic resolution
Environment/lithology: lagoonal or restricted shallow subtidal; lithified dolomite and lithified, black shale
Size class: macrofossils
Collection methods: Repository: Museo Civico di Storia Naturale, Milan. Also contains material donated by A. Stoppani, A. Robiati, C. Fumagalli, G. Riva-Palazzi, and G. Paganini.
Primary reference: F. Bassani. 1886. Sui fossili e sull'età degli schisti bituminosi triasici di Besano in Lombardia [On the fossils and the age of the Triassic bituminous schist of Besano in Lombardy]. Atti della Società Italiana di Scienze Naturale del Museo Civili de Storia Naturali 29:15-72 [M. Clapham/M. Clapham/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 149323: authorized by Matthew Clapham, entered by Matthew Clapham on 01.08.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Pachypleura edwardsii" = Neusticosaurus edwardsi
"Pachypleura edwardsii" = Neusticosaurus edwardsi Sander 1989 diapsid | |
Tribelesodon longobardicus n. gen. n. sp.
Tribelesodon longobardicus n. gen. n. sp. Bassani 1886 archosauromorph | |
"Ichthyosaurus cornalianus n. sp." = Mixosaurus cornalianus
"Ichthyosaurus cornalianus n. sp." = Mixosaurus cornalianus Bassani 1886 ichthyosaur | |
Actinopteri | |
"Pholidophorus meridensis" = Meridensia meridensis
"Pholidophorus meridensis" = Meridensia meridensis de Alessandri 1910 | |
"Lepidotus triasicus n. sp." = Colobodus triasicus, Colobodus bassanii
"Lepidotus triasicus n. sp." = Colobodus triasicus Bassani 1886
Colobodus bassanii de Alessandri 1910 | |
"Pholidophorus besanensis n. sp." = Placopleurus besanensis
"Pholidophorus besanensis n. sp." = Placopleurus besanensis Bassani 1886 | |
Tetragonolepis sp. Bronn 1830 | |
"Lepidotus sp." = Lepidotes
"Lepidotus sp." = Lepidotes Agassiz 1832 gar | |
Pholidophorus barazzettii n. sp.
Pholidophorus barazzettii n. sp. Bassani 1886 | |
Peltopleurus splendens Kner 1866 | |
Osteichthyes | |
"? Urolepis sp." = Aneurolepis
"? Urolepis sp." = Aneurolepis White and Moy-Thomas 1941 | |
"Semionotus gibbus n. sp." = Heterolepidotus gibbus
"Semionotus gibbus n. sp." = Heterolepidotus gibbus Bassani 1886 ray-finned fish | |
"Nothosomus bellottii n. sp." = Ophiopsis bellottii
"Nothosomus bellottii n. sp." = Ophiopsis bellottii Bassani 1886 ray-finned fish | |
"Belonorhynchus curionii" = Saurichthys curionii, "Belonorhynchus striolatus" = Saurichthys striolatus, Belonorhynchus stoppanii n. sp., Belonorhynchus intermedius n. sp.
"Belonorhynchus curionii" = Saurichthys curionii Bellotti 1857 ray-finned fish Bellotti manuscript name
"Belonorhynchus striolatus" = Saurichthys striolatus Bronn 1858 ray-finned fish
Belonorhynchus stoppanii n. sp. Bassani 1886 ray-finned fish
Belonorhynchus intermedius n. sp. Bassani 1886 ray-finned fish | |
Ptycholepis barboi n. sp.
| |
Pholidopleurus typus Bronn 1858 ray-finned fish | |
Chondrichthyes | |
Hybodus sp. Agassiz 1834 elasmobranch
Leptacanthus cornaliae n. sp. Bellotti 1858 elasmobranch collected 1853 by Robbiati; "Ibodonte" in Cornalia, 1854 (pl 2, fig 5)
| |
"Nemacanthus tuberculatus n. sp." = Acronemus tuberculatus, "Acrodus bicarinatus n. sp." = Acronemus tuberculatus
"Acrodus bicarinatus n. sp." = Acronemus tuberculatus Bassani 1886 elasmobranch coll. Stoppani, Fumagalli
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