Table 1. The current list of species in the genus Myrmecodesmus Silvestri, 1910 (Diplopoda: Polydesmida: Pyrgodesmidae), including the fossil Myrmecodesmus antiquus sp. nov.

	Species	Distribuction	Source
1	Myrmecodesmus aconus Shear, 1973	Mexico	Shear (1977)
2	Myrmecodesmus adisi Hoffman, 1985	Brazil	Golovatch (1999)
3	Myrmecodesmus amarus Causey, 1971	Mexico	Shear (1977)
4	Myrmecodesmus amplus Causey, 1973	Mexico	Shear (1977)
5	Myrmecodesmus analogous Causey, 1971	Mexico	Shear (1977)
6	†Myrmecodesmus antiquus Riquelme & Hernández-Patricio, 2021	Miocene, Mexico	Riquelme et al. (2021)
7	Myrmecodesmus atopus Chamberlin, 1943	Mexico	Shear (1977)
8	Myrmecodesmus brevis Shear, 1977	Mexico	Shear (1977)
9	Myrmecodesmus chamberlini Shear, 1977	Mexico	Shear (1977)
10	Myrmecodesmus chipinqueus Chamberlin, 1943	Mexico	Shear (1977)
11	Myrmecodesmus clarus Chamberlin, 1942	Mexico	Shear (1977)
12	Myrmecodesmus cornutus Shear, 1973	Mexico	Shear (1977)
13	Myrmecodesmus digitatus Loomis, 1959	USA	Hoffman (1999)
14	Myrmecodesmus duodecimlobatus Golovatch, 1996	Brazil	Golovatch (1999)
15	Myrmecodesmus egenus Causey, 1971	Mexico	Shear (1977)
16	Myrmecodesmus errabundus Shear, 1973	Mexico	Shear (1977)
17	Myrmecodesmus fissus Causey, 1977	Mexico	Reddell (1981)
18	Myrmecodesmus formicarius Silvestri, 1910	Mexico	Shelley (2004)
19	Myrmecodesmus fractus Chamberlin, 1943	Mexico	Shear (1977)
20	Myrmecodesmus fuscus Causey, 1977	Mexico	Reddell (1981)
21	Myrmecodesmus gelidus Causey, 1971	Mexico	Hoffman (1999)
22	Myrmecodesmus hastatus Schubart, 1945	Brazil, Peru, Argentina, Martinique, Lesser Antilles	Golovatch & Adis (2004)
23	Myrmecodesmus ilymoides Shear, 1973	Mexico	Shear (1977)
24	Myrmecodesmus inornatus Shear, 1977	Mexico	Shear (1977)
25	Myrmecodesmus margo Causey, 1977	Mexico	Causey (1977)
26	Myrmecodesmus minusculus Golovatch, 1996	Brazil	Golovatch (1999)
27	Myrmecodesmus modestus Silvestri, 1911	Mexico	Silvestri (1911)
28	Myrmecodesmus monasticus Causey, 1971	Mexico	Shear (1977)
29	Myrmecodesmus morelus Chamberlin, 1943	Mexico	Shear (1977)
30	Myrmecodesmus mundus Chamberlin, 1943	Mexico	Shear (1977)
31	Myrmecodesmus obscurus Causey, 1971	Mexico	Shear (1977)
32	Myrmecodesmus orizaba Chamberlin, 1941	Mexico	Shear (1977)
33	Myrmecodesmus potosinus Chamberlin, 1943	Mexico	Shear (1977)
34	Myrmecodesmus reddelli Shelley, 2004	USA	Shelley (2004)
35	Myrmecodesmus sabinus Chamberlin, 1942	Mexico	Shear (1977)
36	Myrmecodesmus sheari Recuero, 2014	Mexico	Recuero (2014)
37	Myrmecodesmus unicorn Shear, 1977	Belize	Shear (1977)