MILLIPEDS OF MEXICO AND CENTRAL AMERICA 29 



Ligiodesmus pusillus Pocock 1909, p. 114. 

 TYPE: British Mus. 

 TYPE LOCALITY: Teapa, Tabasco, Mexico. 



Genus LIGNYDESMUS Cook 1896, p. 28. 



Mesesmus Chamberlin 1941a, p. 57. 



Panamadesmus Loomis 1961, p. 89. 



Huanuc odes mus Loomis 1961, p. 91. 



TYPE SPECIES: Oniscodesmus rubriceps Peters, by original desig- 

 nation. 

 Lignydesmus eutypus (Chamberlin). 



Oniscodesmus eutypus Chamberlin 1940a, p. 7. 



Mesesmus eutypus Chamberlin 1941a, p. 57; Loomis 1964a, p. 57. 



TYPE: Collection of R. V. Chamberlin. 



TYPE LOCALITY: Barro Colorado Island, Canal Zone. 

 Lignydesmus insulanus (Chamberlin). 



M esesmus insulanus Chamberlin 1941a, p. 57; Loomis 1964a, p. 57. 



TYPE: Collection of R. V. Chamberlin. 



TYPE LOCALITY: Barro Colorado Island, Canal Zone. 

 Lignydesmus panamanus Loomis 1961, p. 88. 



TYPE: U.S.- Nat. Mus., no. 2637. 



TYPE AND PARATYPE LOCALITY: Almirante,BocasdelToroProv., 

 Panama. 

 Lignydesmus projectus Loomis 1964a, p. 57. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE LOCALITY: Finca Lerida, near Boquete, Chiriqui' Prov., Pan- 

 ama. 



PARATYPE LOCALITY: Same general region. 

 Lignydesmus sculptilis (Loomis). 



Panamadesmus sculptilis Loomis 1961 , p. 90; Loomis 1964a, p. 58. 



TYPE: U.S. Nat. Mus., no. 2638. 



TYPE AND PARATYPE LOCALITY: PiiTa area. Canal Zone. 



Family PERIDONTODESMIDAE 



Genus HEXODONTIA Verhoeff 1932, p. 516. 



Trachyphloeus Attems 1933, p. 264. 



Rhexiphloeus Attems 1940, p. 460; Hoffman 1950b, p. 71. 



Parapomus (subgenus of Apomus) Kraus 1954b, p. 317. New synonymy. 



TYPE SPECIES: Hexodontia cordobana Verhoeff, by original desig- 

 nation. 

 Hexodontia cordobana Verhoeff 1932, p. 518. 



TYPE: Zool. Mus. Munchen (H). 



TYPE LOCALITY: Cordoba, Veracruz, Mexico. 



