96 CALIFORNIA ACADEMY OF SCIENCES [Peoc. 4th Ser. 



Type: — No. 235, and cotype No. 236, Cal. Acad. Sci., from 

 the Temblor beds one mile north of Cantua Creek, western 

 Fresno County, California, where it is associated with 

 Turritella ocoyana Conrad, Chione temblorensis Anderson, 

 Astrodapsis merriami Anderson, and many other Temblor 

 species. 



