Re: paleonet pedicellaria in microfossil preperations

[Dawn Peterson <jurdyke@xxxxxxxxxxx>]

Dear Dr. Mahaffy,

 

Over the last year I have picked a fair number of echinoid pedicellaria from Lower Albian sediments from the Mahajanga Province in Madagascar. Also echinoid fragments and asteroid dermal elements. If these might be of interest to you, by all means contact me. These seem to be the big, stinging kind.

 

Dawn Peterson

Research Associate

Dept. of Invertebrate Zoology and Geology

California Academy of Sciences

Email: jurdyke@pacbell.net

----- Original Message -----

From: James Mahaffy

To: paleonet@nhm.ac.uk

Sent: Monday, November 04, 2002 3:25 PM

Subject: paleonet pedicellaria in microfossil preperations

Folks,

 

I am teaching about echinoderms in paleo and wondered if pedicellaria ever showed up in microfossil preparations.  Of course it might be difficult to either separate them from the limestone, since both might dissolve in acid and if you did they might not be recognized. 

 

If someone knows how to  find them, I might try it with some Gilmore City limestone (Mississippian age). 

 

James Mahaffy (mahaffy@dordt.edu)        Phone: 712 722-6279
Biology Department                                     FAX :  712 722-1198
Dordt College, Sioux Center IA 51250