Temnocheilus annulonodosus ?
nautiloid cephalopod

Temnocheilus annulonodosus

 Click on pictures to Magnify

Temnocheilus annulonodosus Temnocheilus annulonodosus Temnocheilus annulonodosus
Temnocheilus annulonodosus Temnocheilus annulonodosus Temnocheilus annulonodosus Temnocheilus annulonodosus   Click on pictures to Magnify

General abundance:  Rare
small broken pieces: Common

Some have observed a few fracture lines in this specimen.
It took some effort to free it from it's home of 302 Million Years.
Stubborn critter ... It came out in (I forget how many) pieces. However,
I was successful in putting "Humpty Dumpty" back together again!

Phylum:  Mollusca
Class:     Cephalopoda
Order:     Nautilida
Genus:    Temnocheilus
Species:  
annulonodosus ?

Viewer Comments:

Your identification of this "knobbed" cephalopod is correct.
Dr. Bruce L. Stinchcomb

Reference:

Fossils of Ohio
Bulletin #70 (blue cover) 1996
page 188-189 (fig. 1)
Pennsylvanian nautiloid cephalopod
Temnocheilus annulonodosus Sturgeon, Windle, Mapes & Hore


Phylum Mollusca
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Pennsylvanian Fossils of Missouri