PLATE LXVII. 



Cassidulus (Pygorhynchus) conradi Conrad (p. 145). 



Acad. Nat. Sci. Philadelphia 1078, probably type. 



Figure la. Upper surface of the test, 



lb. Lower surface of the test, 



lc. Posterior surface of the test. 



Id. Lateral surface of the test, 



le. Part of one ambulacrum, X 



If. Part of floscelle, X 7. 



Cassidulus (Pygorhynchus) carolinensis Twitchell, n. sp. (p. 146). 

 Johns Hopkins Univ. T 2004, type. 



Figure 2a. Upper surface of the test. 

 2b . Lower surface of the test. 

 2c. Lateral surface of the test. 

 2d. Posterior surface of the test. 

 2e. Part of floscelle, X 5. 

 2f . Part of one ambulacrum, X 

 2g. Apical system, X 6. 

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