Home Plot Diversity Curves Tree of Life About Admin Login

Welcome to the Crustaceans subsite on Invertebrate Paleontology!

Please enter a genera name to retrieve more information.

Search By:
and Class
and Order

Krausella

Classification

    Phylum:  
Arthropoda
    Subphylum:  
Crustacea (superclass)
    Class:  
Ostracoda
    Order:  
Podocopida
    Suborder:  
Metacopina
    Superfamily:  
Healdiacea
    Family:  
Krausellidae?
    Formal Genus Name and Reference:  
Krausella ULRICH, 1894
    Type Species:  
K. inaequalis


Images

(Click to enlarge in a new window)

Fossil Image
Figs. 293,1, 294,la,b. *K. inaeqltalis, M.Ord., USA (III.) ; 293,Ja, carapace (holotype) R, X15; 293,lb, carapace (topotype) vent., X15; 294,la, carapace dors., X20; 294,lb, crosssection showing overlap, X33 (Berdan, n). -- Fig. 294,2a-e. K. sp., M.Ord. (Edinburg F.), USA (Va.) ; 2a-e. carapace R, L, vent., X20 (I. C. Kraft. n).


Synonyms

Rayella


Geographic Distribution

N.Am.-Eu.


Age Range

    Beginning Stage in Treatise Usage:  
M.Ord.
    Beginning International Stage:  
Dapingian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
471.26
    Ending Stage in Treatise Usage:  
M.Ord., ?L.Dev.
    Ending International Stage:  
Emsian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
394.3


Description

LV suboval in outline, overlapping RV ventrally, RV being proJuced posteriorly in short, blunt spine. Hinge line may coincide with Jorsal margin, may be entrenched below dorsal margin of buth valves, or LV may overreach RV along hinge line.




References



Museum or Author Information