Where: Veracruz, Mexico (21.2° N, 97.7° W: paleocoordinates 21.9° N, 91.9° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Alazán Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)
• the ostracods "show a distinct affinity to those present in the Red Bluff Formation, basal Oligocene of Mississippi"
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: microfossils
Collected by J. Álvarez
• Lousiana State University collection
Primary reference: L. A. Laurencich. 1969. Some Ostracoda from the Alazán Formation, Mexico. Micropaleontology 15(4):493-503 [J. Alroy/J. Alroy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 94169: authorized by John Alroy, entered by John Alroy on 10.02.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Ostracoda | |
Cytherella hannai Howe and Law 1936 ostracod | |
Argilloecia hiwanneensis Howe and Law 1936 ostracod | |
Loxoconcha aff. woodwardsensis Howe and Law 1936 ostracod | |
Cytheropteron mexicanum ostracod | |
Xestoleberis vicksburgensis Howe and Law 1936 ostracod | |
Brachycythere sp. Alexander 1933 ostracod
Ambocythere aff. elongata ostracod
Ambocythere subreticulata ostracod |