Where: Gilan, Iran (37.3° N, 49.2° E)
• Paleocoordinates: 40.9° S, 50.4° E (Wright 2013)
• coordinate based on political unit
When: Actonian to Actonian (454.0 - 448.8 Ma)
• The fauna is likely to be late Caradoc–early Ashgill in age (sensu Fortey et al. 2000). A more specific age assignment is not possible due to the absence of independent fossil evidence.
• formation-level stratigraphic resolution
Environment/lithology: shelly/skeletal, red limestone
Size class: macrofossils
Primary reference: T. S. Karim. 2009. Late Ordovician trilobites from northwest Iran and their biogeographical affinities. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 99:101-124 [M. Hopkins/M. Hopkins/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 232880: authorized by Pete Wagner, entered by Pete Wagner on 04.01.2024
Creative Commons license: CC0 (CC0)
Taxonomic list
| Trilobita | |
|
Birmanites cf. asiaticus trilobite | |
Symphysops sp., "Cyclopyge cf. binodosa" = Cyclopyge recurva
Symphysops sp. Raymond 1925 trilobite
"Cyclopyge cf. binodosa" = Cyclopyge recurva Lu 1962 trilobite | |
|
Nileus sp. Dalman 1827 trilobite | |
|
Dicranopeltis cf. polytoma Angelin 1854 trilobite
Metopolichas sp. Gürich 1901 trilobite | |
|
Amphoriops sp. Hammann and Leone 1997 trilobite
Illaenus sp. Dalman 1827 trilobite | |
|
Panderia cf. curta Petrunina 1975 trilobite | |
|
? Failleana sp. Chatterton and Ludvigson 1976 trilobite | |
|
Ceratocephala cf. micula trilobite | |
|
Paratiresias alborzensis Karim 2009 trilobite | |
|
Phorocephala cf. ulugtana trilobite | |
|
Panarchaeogonus sp. Oepik 1937 trilobite | |
|
Mezzaluna tatavrudensis Karim 2009 trilobite | |
|
Sphaerexochus cf. fibrisulcatus Lu 1975 trilobite | |
|
Ovalocephalus cf. tetrasulcatus Kielan 1960 trilobite | |
| Artiopoda | |
|
Trinodus cf. tardus Barrande 1846 | |