MILLIPEDS OF MEXICO AND CENTRAL AMERICA 21 



Family EURYURIDAE 

 Genus AMPLINUS Attems 1899, p. 281. 



Pycnotropis Carl 1914, p. 932. 



Seminellogon Chamberlin 1933, p. 18. 



Phinotropis, Ptyxogon and Amydrinus Chamberlin 1941e, pp. 499-500. 

 (These are Peruvian genera.) 



Sigmogonotropis Hoffman 1951, p. 240; Jeekel 1963a, p. 73. 



TYPE SPECIES: Pachyurus ( Amplinus ) halonotus Attems, by designa- 

 tion of Pocock 1909. 

 Amplinus cerroazulensis (Hoffman). 



Seminellogon cerroazulensis Hoffman 1954a, p. 54; Jeekel 1963a, p. 75. 



TYPE: U.S. Nat. Mus., no. 2100. 



TYPE LOCALITY: Cerro Azul, near "Goofy Lake," Panama Prov., 

 Panama. 



PARATYPE LOCALITIES: Boquete, and El Volca'n, Chiriquf Prov., 

 Panama. 

 Amplinus chitarianus (Chamberlin). 



Seminellogon chitarianus Chamberlin 1933, p. 19; Jeekel 1963a, p. 75. 



TYPE: Collection of R. V. Chamberlin. 



TYPE LOCALITY: Chitaria, Costa Rica. 

 Amplinus latzeli (Attems). 



Pycnotropis latzeli Attems 1931, p. 79; Jeekel 1963a, p. 75. 



TYPE: Naturh. Mus. Wien (H). 



TYPE LOCALITY: Panama. 

 Amplinus magnus (Loomis). New combination. 



Seminellogon magnus Loomis 1964a, p. 54. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE LOCALITY: El Valle, Code Prov., Panama. 

 Amplinus panamicus (Chamberlin). 



Aphelidesmus panamicus Chamberlin 1925, p. 41. 



Seminellogon panamicus Loomis 1961, p. 86. 



Sigmogonotropis serratus Hoffman 1951, p. 240; Jeekel 1963a, p. 75. 



Seminellogon serratus Loomis 1961, p. 86. New synonymy, suggested 

 by R. L. Hoffman. 



TYPE: Mus. Comp. Zool. 



TYPE LOCALITY: Headwaters of Rio Chinilla, Canal Zone. 



OTHER LOCALITIES: Barro Colorado Island; Gorgona; Monte Lirio; 

 Pina area, Canal Zone (Loomis 1961). Cana, Darien Prov. (Hoffman 1951); 

 Cerro Campana, Panama Prov. (Loomis 1961), Panama. 



Genus APHELIDESMUS Brolemann 1898b, p. 322. 



Trachelorachis Silvestri 1898a, p. 5. 

 Trachelacanthe Berg 1899, p. 77. 



