Myliobatis californica (Continued) 

 COPEPODA 

 TREBIIDAE 



Trebius caudatus KrjzSyer 1838. California. Body surface. 



Guberlet (1936a). 

 Trebius latifurcatus Wilson 1921. Southern California. Body 



surface"! Wilson (1 921 ) . 



DIGENEA 



GORGODERIDAE 



Probolitrema cal iforniense Stunkard 1935. Central California. 

 Coelom. Stunkard (1935). 



MONOGENEA 



CAPSALIDAE 



Pseudoentobdella pacifica (Guberlet 1936) Yamaguti 1963. 

 California. Price (1939) as Benedenia p. ; Guberlet (1936b) 

 as Epibdella _p_. 



UDONELLIDAE 



Udonella caligorum Johnston 1835. On parasitic copepods Trebius 

 caudatus , T. latifurcatus . Central California. Price (1938a). 



NEMATODA 



GNATHOSTOMATIDAE 



Echinocephalus pseudouncinatus Millemann 1951. Gulf of California, 

 Spiral valve. Millemann (1963). 



MOBULIDAE -- Mantas 

 Mobula lucasana - Smoothtail Mobula 

 COPEPODA 

 CALIGIDAE 



Pupulina brevicauda Wilson 1952. Southern California. Wilson 



(1952). 

 Pupul ina minor Wilson 1952. Southern California. Mouth, anterior 



end of body. Wilson (1952). 



55 



