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Showing results for tags 'early cambrian period'.
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Trilobites - Southern California - Marble Mountain near Ludlow
ezeemonee posted a topic in Member Collections
Oldest fossils I have ever found as these Early Cambrian Trilobites are estimated to be half a billion years old! Still trying to wrap my head around that. lol Much thanks to the SoCal Paleo Society which organized this field trip back in 2021 out to the remote site in the Mojave Desert. Based on various ID help I got, these are mostly Bristolia bristolensis, Bristolia mojavensis, and some others are not ID'ed yet. These were small and around an inch or so in width but one member of our party found part of a much larger one further up the mountain. The ID sheets with examples were brought by the trip organizers to help with ID's. The Latham shale these Trilobites are found in is somewhat brittle and I used a putty knife to carefully pry apart layers to look for Trilobites without shattering them. Most survived the process. These are just trace fossils but have some pretty good detail surprisingly.- 2 replies
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Tiny creature (not yet named) had a siphuncle 522 million years ago. Ancestor of all those other cephalopods? https://www.livescience.com/ancient-octopus-relative-fossil.html
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Redlichia is a genus of trilobite of the Redlichiidae family, the oldest kind of trilobites. From the early Cambrian period. Eoredlichia intermedia - World's earliest species trilobite. Early Cambrian (530 million years old) Redlichia mansuyi with soft Tissue - Early Cambrian (520 million years old) Redlichia mansuyi with soft Tissue - Early Cambrian (520 million years old) Redlichia chinensis - Early Cambrian (520 million years old) Redlichia chinensis - Early Cambrian (520 million years old) Redlichia chinensis - Early Cambrian (520 million years old) Redlichia chinensis - Early Cambrian (520 million years old) Can you find the tail spine? Redlichia chinensis - Early Cambrian (520 million years old)