Where: Sonora, Mexico (29.3° N, 110.6° W: paleocoordinates 2.1° S, 98.4° W)
When: Albertella - Glossopleura trilobite zone, F Member (El Gavilán Formation), Delamaran (511.2 - 506.5 Ma)
• 50m of alternating clastic and calcareous rocks
• member-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; mixed carbonate-siliciclastic sediments
Size class: macrofossils
Primary reference: E. Nardin, E. Almazán-Vásquez, and B. E. Buitrón-Sánchez. 2009. First report of Gogia (Eocrinoidea, Echinodermata) from the Early-Middle Cambrian of Sonora (Mexico), with biostratigraphical and palaeoecological comments. Geobios 42:233-242 [A. Lin/A. Lin]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 90558: authorized by Alex Lin, entered by Alex Lin on 05.08.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
|
| |
| Eocrinoidea | |
|
Gogia granulosa Robison 1965 | |
| Helcionelloida | |
|
? Helcionella sp. Grabau and Shimer 1909 | |
| Lingulata | |
|
Acrothele sp. Linnarsson 1876 | |
|
Prototreta sp. Bell 1941 | |
| Paterinata | |
|
Dictyonina sp. Cooper 1942 | |
| Trilobita | |
|
Bathyuriscus sp. Meek 1873 trilobite | |
|
Oryctocara sp. Walcott 1908 trilobite
Oryctocephalus sp. Walcott 1886 trilobite | |
|
Kootenia sp. Walcott 1899 trilobite | |
|
? Ehmaniella sp. Resser 1937 trilobite | |
"? Elrathina sp." = Ptychoparella
"? Elrathina sp." = Ptychoparella Poulson 1927 trilobite | |
| Artiopoda | |
|
Pagetia sp. Walcott 1916 | |
"Peronopsis cf. bonnerensis" = Pentagnostus bonnerensis, Peronopsis sp.
"Peronopsis cf. bonnerensis" = Pentagnostus bonnerensis Resser 1938
Peronopsis sp. Corda 1847 | |