Cephalopods

Cephalopods are predatory marine molluscs that include squid, octopses, and nautiloids.

ceph15
Ammonite; 14.5 cm wide. Collected by Jake Skabelund of Logan, Utah from the lower Windom Shale.
ceph7
Spyroceras sp.; 15 cm wide. Collected by Jess Martin from the lower Windom Shale.
ceph17
Orthocone cephalopod; 9.8 cm wide. Collected by Megan Ferguson from the lower Windom Shale.
ceph1
Pyritized cephalopod; 4 cm wide. Collected by Brandon Bialy from the lower Wanakah Shale.
ceph2
Pyritized cephalopod; 10 cm wide. Collected by Brandon Bialy from the upper Wanakah Shale in the Rush Creek tributary.
ceph5
Pyritized cephalopod; 4.7 cm wide. Collected by Rich Spencer from the upper Wanakah Shale in the Rush Creek tributary.

 

ceph6
Spyroceras sp.; 4.4 cm wide. Collected by Dr. Robert Corretore from the Windom Shale.
ceph8
Spyroceras sp.; 6.8 cm wide. Collected by Charles Abbas from the Windom Shale.
ceph10
Unknown cephalopod; 13.6 cm wide. Collected by Don Decker from the lower Windom Shale.
ceph11
Unknown cephalopod; 24 cm wide. Collected by Jim Redmon from the lower Windom Shale.

ceph12

 

ceph13

 

ceph14

 

ceph18
Pyritized cephalopod; 2 cm wide. Collected by Jonathan Hoag from the upper Windom Shale.
ceph19
Pyritized ammonite; 2 cm wide. Collected by Jonathan Hoag from the upper Windom Shale.

ceph20