Where: Merced County, California (37.2° N, 121.1° W: paleocoordinates 38.9° N, 84.6° W)
• coordinate estimated from map
When: Panoche Formation (Great Valley Group), Middle Turonian (93.5 - 89.3 Ma)
• Str. position: No record; according to T. MATSUMOTO's field observation the greenish grey shale of this kind at the recorded locality is situated below the fourth conglomerate (from bottom) of the Quinto Creek section
•Fossils: Collignonieeras sp. juvenile, cf. woollgari (MANTELL) Age: Turonian (probably middle part)
Environment/lithology: marine; gray, green shale and conglomerate
Size class: macrofossils
Collected by Allan Bennison in 1937; reposited in the UCMP
• Coll.: Allan BENNISON, 1937 (summer) (# 278)
Primary reference: T. Matsumoto. 1960. Upper Cretaceous ammonites of California. Part III. Memoirs of the Faculty of Science, Kyushu University Series D, Geology, Special Volume II 1-204 [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 225823: authorized by Jonathan Marcot, entered by Jonathan Marcot on 01.06.2022
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
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Collignoniceras cf. woollgari Mantell 1822 ammonite as "Collignoniceras sp. juvenile, cf. woollgari"
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