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Multiple trilobite fragments fossilized in the same rock
Multiple trilobite fragments fossilized in the same rock
Multiple trilobite fragments fossilized in the same rock
USNM 35225 Trilobite hash beds (30485043572)
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Multiple trilobite fragments fossilized in the same rock
Summary
USNM_35225 and USNM_35227: Pictured are multiple trilobite fragments fossilized in the same rock. These are commonly known as hash beds. "Hash" is an indicator of a near-shore environment, where waves could have broken apart trilobite exoskeletons and molts then re-deposited them. These particular “hash” beds are composed of trilobites Idahoia wyomingensis (USNM 35225) and Wilbernia walcotti (USNM 35227). Both samples were collected during the early 1900’s in the northern region of Yellowstone National Park, from an exposed section of the Upper Cambrian (~500 million years ago) Snowy Range Formation.;
Megan Norr;
March 2016;
Catalog #20792d;
Original #USNM_35225
Tags
yellowstone national park
fossils
trilobites
paleontology
20792 d
usnm 35225
geology
multiple trilobite fragments
hash
trilobites idahoia wyomingensis
hash beds
usnm
trilobite fragments
trilobite exoskeletons
beds
near shore environment
wilbernia walcotti
upper cambrian
million years
snowy range
megan norr
national parks gallery
wyoming
natural history
3d object
Date
1900
Location
Source
National Parks Gallery
Link
Copyright info
Public Domain Dedication