Vista, Horizon 4 (Eocene of the United States)
Also known as UCR 4865
Where: San Diego County, California (33.2° N, 117.2° W: paleocoordinates 33.9° N, 103.2° W)
• coordinate stated in text
When: Delmar Formation (La Jolla Group), Lutetian (47.8 - 41.3 Ma)
Environment/lithology: peritidal; sandstone and siltstone
• interbedded sandstone, siltstone, and claystone
Size class: macrofossils
Primary reference: C. R. Givens and M. P. Kennedy. 1976. Middle Eocene mollusks from northern San Diego County, California. Journal of Paleontology 50(5):954-975 [M. Uhen/M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 200659: authorized by Mark Uhen, entered by Mark Uhen on 12.04.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Anthozoa | |
? Balanophyllia sp. Wood 1844 stony coral | |
Bivalvia | |
Ostrea cf. idrianensis oyster | |
"Barbatia cf. cliffensis" = Barbatia (Cucullaearca) cliffensis
"Barbatia cf. cliffensis" = Barbatia (Cucullaearca) cliffensis Hanna 1927 clam | |
"Acanthocardia (Schedocardia) cf. brewerii" = Schedocardia brewerii
"Acanthocardia (Schedocardia) cf. brewerii" = Schedocardia brewerii Gabb 1864 cockle | |
Corbula sp. Bruguière 1789 clam | |
Gastropoda | |
Calyptraea cf. diegoana Conrad 1855 slipper shell | |
Crommium cf. andersoni Dickerson 1914 moon snail | |
Loxotrema cf. turritum Gabb 1869 snail | |
Potamides (Potamides) carbonicola Cooper 1894 horn snail | |
Nerita (Theliostyla) triangulata Gabb 1869 snail |