Oldest mass animal stranding revealed in Death Valley fossils
New Scientist Daily News, July 26, 2017
https://www.newscientist.com/article/2141881-oldest-mass-animal-stranding-revealed-in-death-valley-fossils/
The publications are:
Sappenfield, A.D., Tarhan, L.G. and Droser, M.L., 2017. Earth's
oldest jellyfish strandings: a unique taphonomic window or
just another day at the beach?. Geological Magazine, 154(4),
pp.859-874.
Abstract: https://www.cambridge.org/core/journals/geological-magazine/article/earths-oldest-jellyfish-strandings-a-unique-taphonomic-window-or-just-another-day-at-the-beach/BD3A332A705E4AFB44E32FFAD2060D56
PDF file: https://www.researchgate.net/publication/303955816_Earth's_oldest_jellyfish_strandings_a_unique_taphonomic_window_or_just_another_day_at_the_beach
Sappenfield, A.D., 2015. Precambrian-Cambrian Sedimentology,
Stratigraphy, and Paleontology in the Great Basin (Western
United States). Unpublished PhD dissertation. University of
California, Riverside. http://escholarship.org/uc/item/4r02d6xr
Yours,
Paul H.