EXPLANATION OF PLATE 2-1 



Figures approximately natural size. 



Fig. la. Astrodapsis arnoldi crassus Kew, n. subsp. Holotype, specimen 

 11350, Univ. Calif. Coll. Invert. Pal. Upper surface of test. South of Pancho 

 Eico Creek, Monterey County, Calif., Univ. Calif, loc. 3127. Lower Etchegoin 

 (Jacalitos) formation. Lower Pliocene. 



Fig. Yb. Astrodapsis arnoldi crassits Kew, n. subsj^. Same specimen. Lateral 

 surface of test. 



Fig. Ic. Astrodapsis arnoldi crassus Kew, n. subsp. Same specimen. Lower 

 surface of test. 



Fig. 2a. Astrodapsis feriiandoen-sis Pack. Cotype, specimen 11042, Univ. 

 Calif. Coll. Invert. Pal. Upper surface of test. Elsmere Canon, Los Angeles 

 County, Calif., Univ. Calif, loc. 1602. Basal beds of Fernando formation. Lower 

 Pliocene. 



Fig. 2b. Astrodapsis fernandoensis Pack. Specimen 11042. Lateral surface 

 of test. 



Fig. 2c. Astrodapsis fernandoensis Pack. Cotype, specimen 11377, Univ. 

 Calif. Coll. Invert. Pal. Lower ■ surface of test. Elsmere Canon, Los Angeles 

 County, Calif. Basal beds of Fernando formation, Lower Pliocene. 



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