ANNOTATED LIST OF THE SPECIES 285 
Type: Pterohemiodus atranalis Fowler 
Contamana, Bajo Ucayali 
Scales below lateral line similar to those above it; scales of larger size than in 
Hemiodus; dorsal fin much longer than the head, which is moderate in size, snout 
short, pointed; eye large, little forward of center of head; mouth small, terminal; 
upper jaw with a row of weak, flat, crenate teeth; mandible edentulous; nares small, 
approximated, advanced on snout; gill-rakers fine, weak, short; caudal peduncle 
moderate; caudal fin deeply forked, much exceeding the head in length. 
373. PreROHEMIODUS ATRANALIS Fowler 
Pterohemiodus atranalis Fowler, 1939 (1940), Proc. Acad. Nat. Sci. Phila., XCI, 258, fig. 57. 
Range identical with that of genus 
Known from the three types in the museum of the Philadelphia Academy of 
Sciences, 80-120 mm. 
Genus 152: ANISITSIA Eigenmann 
Anisitsia Figenmann, 1903, Smithson. Mise. Coll., XLV, 144; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 423; 
Nigenmann, 1912, Mem. Carnegie Mus., V, 277. 
Type: Anodus notatus Schomburgk 
Guianas to Peru and Rio Paraguay 
Similar in form to Anodus, with scales increasing in size and decreasing in 
number from the lateral line downward; fontanels large, Hemiodus-like; mandible 
edentulous; teeth of upper jaw in a crescent series. 
374. ANISITSIA AMAZONUM (Humboldt) 
Curimatus amazonum Humboldt, 1821, Obs. Zool., II, 165. 
Hemiodus amazonum Eigenmann and Eigenmann, 1891, Proc. U.S. Nat. Mus., XIV, 49. 
Anisitsia amazonum Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IT, 423. 
The Amazons 
UP , Gosulimacocha, Allen, October, 1920. 
Subfamily: PARODONTINAE 
Genus 153: PARODON Cuvier and Valenciennes 
Parodon Cuvier and Valenciennes, 1848, Hist. Nat. Poiss., XXII, 50; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, III, 422; 
Eigenmann, 1912, Mem. Carnegie Mus., V, 274. 
Type: Parodon suborbitalis Cuvier and Valenciennes 
Colombia to Rios Sao Francisco and La Plata 
