Where: Iran (36.3° N, 51.0° E: paleocoordinates 25.5° S, 127.8° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Hajiabad Member (Lashkarak Formation), Darriwilian (467.3 - 458.4 Ma)
• Lashkarak (Lashkerak) Formation Units 4-5. Was give as Tremadoc. However, Ghobadi Pour et al. (2022: Fig. 6) put this in the Hajiabad member of the Lashkarak, which is Darriwillian.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, calcareous marl and lithified shale
Size class: macrofossils
Primary reference: D. L. Bruton, A. J. Wright, and M. A. Hamedi. 2004. Ordovician Trilobites from Iran. Palaeontographica Abteilung A 271(5-6):111-149 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 66865: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.10.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Echinosphaerites sp. Wahlenberg 1818 | |
| |
Sinocystis cf. loczyi Reed 1917 | |
Gastropoda | |
? Holopea sp. Hall 1847 snail | |
Cephalopoda | |
Endoceras sp. Hall 1847 | |
Michelinoceras sp. Foerste 1932 | |
Rhynchonellata | |
"Orthis cf. calligramma" = Orthambonites calligramme
"Orthis cf. calligramma" = Orthambonites calligramme Dalman 1828 | |
Strophomenata | |
Hemipronites sp. Pander 1830 | |
Trilobita | |
Illaenus hinomotoensis trilobite | |
Symphysurus cf. subquadratus trilobite
Nileus cf. exarmatus Tjernvik 1956 trilobite | |
"Megalaspis sp." = Megistaspis, Ogygites yunnanensis, Pseudoasaphus sp., "Presbynileus (Protopresbynileus) sp." = Protopresbynileus, Asaphellus sp.
"Megalaspis sp." = Megistaspis Jaanusson 1956 trilobite
Ogygites yunnanensis trilobite
Pseudoasaphus sp. Schmidt 1901 trilobite
"Presbynileus (Protopresbynileus) sp." = Protopresbynileus Hintze 1954 trilobite
Asaphellus sp. Callaway 1877 trilobite |