Where: California (40.1° N, 120.8° W: paleocoordinates 34.9° N, 62.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Hinchman Formation, Callovian (166.1 - 163.5 Ma)
• The "coral zone" cited by the author is part of the Hinchman sandstone which has been revised to the Hinchman Formation. (Callovian) according to Imlay in "Jurassic paleobiogeography of the conterminous United States in its continental setting".
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, coarse-grained, tuffaceous sandstone
Size class: macrofossils
Reposited in the GSC
Primary reference: C. H. Crickmay. 1933. Attempt to Zone the North American Jurassic on the Basis of its Brachiopods. Geological Society America Bulletin 44:871-894 [M. Clapham/M. Manojlovic]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 164637: authorized by Matthew Clapham, entered by Marko Manojlovic on 08.12.2014, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Trochus hinchmanensis n. sp.
| |
Rhynchonellata | |
Ptilorhynchia plumasensis n. gen. n. sp.
Ptilorhynchia plumasensis n. gen. n. sp. Crickmay 1933 | |
Gnathorhynchia perplicata n. sp.
Gnathorhynchia perplicata n. sp. Crickmay 1933 | |
Ornithella curticensis n. sp., Ornithella gemina n. sp.
Ornithella curticensis n. sp. Crickmay 1933
Ornithella gemina n. sp. Crickmay 1933 |