Page 5: Graptolites Found
On this site, the rock surfaces also commonly reveal black
"pencil marks" called Grapotolites. These animals were more likely
floaters, rather than crawlers.
Closer examination of these Graptolites show intricate
structures and can help identify the genera and species.
It takes an even closer look at these graptolites with a 10x
loup to be able to identify these specimens as Geniculograptus
typicalis.
Some of these graptolites were 3-dimensional, made out of
pyrite.
Others were 3-dimensional in a lighter color. Here's a 3-D
graptolite I found that day (below) that is not only pale in color, but appears
to have cups on one side only. This is probably a different, less common,
genera.
T A B L E OF C O N T E N T S
Page 1: Introduction (collecting pics)
Fossils Found That Day:
Page 2: Crinoids Part 1
Page 3: Crinoids Part 2
Page 4: Burrows
Page 5: Graptolites
Page 6: Trilobites
Page 7: Cephalopods
Page 8: Other Molluscs
Page 9: Brachiopods and Bryozoans
Pics From Our Trip To This Site in 2002
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