Re: paleonet Fossil id help requested

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From the photograph I also think that it looks like a portion of a conulariid.
There is a set of references on Devonian and Mississippian Conulariids of  North
America which might be a good starting point for further identification and
comparison of the specimen.
Babcock & Feldmann, 1986, Devonian and Mississippian Conulariids of North
America. Part A. General Description of Conularia. Annals of Carnegie Museum.
vol. 55, art. 15. p. 349-410
Babcock & Feldmann, 1986, Devonian and Mississippian Conulariids of North
America. Part B. Paraconularia, Reticulaconularia, New Genus, and Organisims
Rejected From Conulariida. Annals of Carnegie Museum. vol. 55, art. 16. p. 411-479.

Liz

Elizabeth Weldon
PhD Candidate
School of Ecology and Environment
Deakin University
Australia

Current Address
c/o International Cooperation Office
China University of Geosciences
Yujiashan, Wuhan, Hubei, 430074
P.R.China

email: eweldon@deakin.edu.au


	>---- Original Message ----
	>From:		Thomas Yancey
	>Date:		Thu 10/21/04 8:54
	>To:		paleonet@nhm.ac.uk
	>Subject:	Re: paleonet Fossil id help requested
	>
	>Lack of a measuring scale makes it harder to venture a guess, but it 
	>looks like a portion of a conulariid.
	>
	>TEY
	>
	>
	>>  I can use help on the identification of a fossil collected on a 
	>>class field trip this past weekend.  The photo is at: 
	>>http://tigger.uic.edu/~plotnick/LoneStarQuarryFossil.jpg.  The 
	>>scale, top to bottom of the image, is about 2 cm.   Locality is in 
	>>Northern Illinois, from the LaSalle Cyclothem, upper Modesto Fm. - 
	>>lower Bond Formation; Age: Upper Pennsylvanian, Missourian 
	>>(Stephanian).  Typical Pennsylvanian mid-continent fauna, lots of 
	>>Composita.
	>>It's probably in the category of "oh yeah, I should have known 
	>>that," but I don't embarrass easily. - Thanks - Roy
	>>
	>>Roy E. Plotnick
	>>Professor
	>>Department of Earth and Environmental Sciences
	>>University of Illinois at Chicago