Whiterockian Series, Kanoshian Stage
Zone N Cephalopods

From the very top of the Kanosh Shale, about 3 meters below the quartzite bed that marks the base of the Lehman Formation.

coiled lateral

Lateral view of portion of a Tarphycerid.

Dorsal view showing dorsal siphuncle.

An orthocone showing a few chambers and a mold of the siphuncle.

end view
a view showing the location of the siphuncle.

another orthocone
another orthocone (ventral is up)

the end view (ventral is up)

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