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Hannibal Formation, Missouri and Illinois, USA    39.25 N, 90.59 W
Kinderhookian, Lower Mississippian, Carboniferous
    

The images are provided by Dr. James E. Conkin and Prof. Barbara M. Conkin, Louisville, Kentucky. The specimens were found by them and James W. Pike at the 13 localities shown left.

The images and accompanying information are published: Conkin, J. E., Conkin, B. M. and James W. Pike, 1965: Mississippian Foraminifera of the United States Part 2: The Hannibal Formation of northeastern Missouri and western Illinois in micropaleontology Volume 11 Number 3, July 1965 Pages 335-359.
We thank Micropaleontology Press for giving the permission to use the images and accompanying information. Read more in the above mentioned article as a subscriber of the journal micropaleontology or ask your local library to subsribe to micropaleontology.



Ammobaculites beveridgei
Conkin and Conkin, 1964 
Ammobaculites pyriformis
Gutschick&Treckmann, 1959 
Ammodiscella 
--- 
Ammodiscus longexsertus
Gutschick&Treckmann, 1959 
   
Ammodiscus semiconstrictus
Gutschick&Treckmann, 1959 
Ammovertella 
--- 
Ammovertella 
--- 
Ammovertella 
--- 
   
Ammovertella pikei
Conkin and Conkin, 1964 
Blastammina eisenacki
Conkin, Conkin and Pike, 1965 
Hyperammina casteri
Conkin, 1961 
Hyperammina constricta
Gutschick&Treckmann, 1959 
   
Hyperammina rockfordensis
Gutschick&Treckmann, 1959 
Lagenammina 
--- 
Lagenammina 
--- 
Lagenammina cumberlandiae
(Conkin, 1961) 
   
Oxinoxis ligula
Gutschick, Weiner&Young, 1961 
Oxinoxis ligula
Gutschick, Weiner&Young, 1961 
Psammosphaera 
--- 
Pseudoastrorhiza conica
Gutschick, Weiner&Young, 1961 
   
Reophax 
--- 
Reophax lachrymosus
Gutschick&Treckmann, 1959 
Reophax northviewensis
Conkin and Conkin, 1964 
Thuramminoides sphaeroidalis
Plummer, 1945 
   
Tolypammina 
--- 
Tolypammina bulbosa
Gutschick&Treckmann, 1959 
Tolypammina frizzelli
Conkin and Conkin, 1964 
Tolypammina jacobschapelensis
Conkin, 1961 
   
Trepeilopsis glomospiroides
Gutschick&Treckmann, 1959 
Trepeilopsis recurvidens
Gutschick&Treckmann, 1959 
Trepeilopsis spiralis
Gutschick&Treckmann, 1959 
Trepeilopsis spiralis
Gutschick&Treckmann, 1959 
   
Trochammina mehli
Conkin and Conkin, 1964