l8 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I42 



near Cumana, Sucre (Creole Petroleum Co. 8270), is nearly twice as 

 large as the one from Sucre figured here. All are somewhat higher 

 behind the apical system than in front; a few are conspicuously 

 higher. 



Occurrence. — Venezuela: Boca de Giieque, Falcon (E. wieden- 

 mayeri Jeannet, fide Jeannet). Giieque area, Falcon (Creole Petro- 

 leum Co. 11050). Sucre (Creole Petroleum Co. 8286, 8298). Near 

 Cumana, Sucre (Creole Petroleum Co. 8270). 



Geologic horison. — Miocene to Recent : "Couches d'Ojo de Agua," 

 of middle Miocene age {fide Jeannet). San Gregorio formation, of 

 Pliocene age. 



Figured specimen. — USNM 638631, from the San Gregorio 

 formation. 



ENCOPE KUGLERI Jeannet 

 PI. 10, fig. I 



Encope kugleri Jeannet, 1928, Soc. Paleont. Suisse Mem., vol. 48, p. 23, pi. 3, 

 figs. 5-6; text figs. 4-6. 



This species, represented by several fragments, seems to be nearly 

 equidimensional in horizontal directions. It has five fairly deep ambu- 

 lacral notches. The posterior petals are somewhat longer than the 

 others. The posterior lunule in the figured specimen is narrower than 

 that shown in Jeannet's type, and its rim is raised. It lies between 

 the tips of the petals and extends nearly halfway to the center. 



Occurrence. — Venezuela: La Jovita de Candado, near Mirimire, 

 Falcon (type, fide Jeannet). Rio Seco area. Falcon (Creole Petro- 

 leum Co. 72709, y2'/i6, 72912). 



Geologic horizon. — Miocene: Capadare limestone, of middle Mio- 

 cene age {fide Jeannet). Chiguaje formation, of late Miocene age. 



Figured specimen. — USNM 638632. 



ENCOPE SECOENSIS Cooke, n. sp. 

 PI. 8, fig. I ; pi. 9, figs. 1-2 



Horizontal outline ovate, very slightly longer than wide, widest 

 point behind the middle, flattened behind ; highest point anterior ; 

 margin thin. Five ambulacral notches showing a tendency to close. 

 Posterior lunule elongated, narrow; extending anterior to the distal 

 tips of the adjacent petals; rim very slightly raised. Apical system 

 slightly anterior, star shaped, with five genital pores. Posterior petals 

 the longest, anterior paired petals the shortest ; all petals open dis- 

 tally; poriferous zones curved, those of the anterior paired petals 



