Atlantodesmus pintoi ( Schubart, 1946 )

Bouzan, Rodrigo Salvador, Pena-Barbosa, João Paulo P. & Brescovit, Antonio Domingos, 2017, Taxonomic review of the genus Atlantodesmus Hoffman, 2000 (Polydesmida: Chelodesmidae), Zootaxa 4236 (2), pp. 269-290: 283-286

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Atlantodesmus pintoi ( Schubart, 1946 )


Atlantodesmus pintoi ( Schubart, 1946) 

Figures 5View FIGURE 5 ĀC, 13–15, 19

Leptodesmus pintoi Schubart, 1946: 166  , fig. 2 (Male holotype from Ilhéus (39°04’63’’W, 14°79’35’’S), Bahia, Brazil, 1919, E. Garbe leg., deposited in MZSPAbout MZSP 412View Materials, examined).GoogleMaps 

Leptodesmus pintoi: Schubart, 1956: 421  .

Atlantodesmus pintoi: Hoffman, 2000: 106  .

Additional material examined. BRAZIL. BAHIA: Ilhéus (39°04’63’’W, 14°79’35’’S), 5♀, 1919, E. Garbe col. ( MZSPAbout MZSP 929View Materials, MZSPAbout MZSP 930View Materials, MZSPAbout MZSP 931View Materials, MZSPAbout MZSP 932View Materials)GoogleMaps  . Reserva Biológica de Una (39°02’98’’W, 15°19’54’’S), 22♂ 16♀, XI/2001, A.D. Brescovit col. ( IBSPAbout IBSP 991View Materials, IBSPAbout IBSP 992View Materials, IBSPAbout IBSP 1001View Materials, IBSPAbout IBSP 1003View Materials, IBSPAbout IBSP 995View Materials)GoogleMaps  ; 1♂ 2♀, 13–16/IV/ 1998, A.D. Brescovit et al. col. (IBSP 581, IBSP 584). Ribeirão do Engano (39°04’63’’W, 14°79’35’’S), 1♂, 1945, G. Pereira col. ( MNRJAbout MNRJ 11954View Materials)GoogleMaps  . Jussari , Reserva Natural da Serra de Teimoso (39°49’41’’W, 15°18’80’’S), 1♀, 08– 10/IV/1998, A.D. Brescovit et al. col. ( IBSPAbout IBSP 600View Materials)GoogleMaps  . Itabuna (39°27’84’’W, 14°78’80’’S), 1♂, 1919, E. Garbe col. ( MZSPAbout MZSP 927View Materials)GoogleMaps  .

Diagnosis. Males of Atlantodesmus pintoi  differ from all other species of the genus by the acropodite process with a large, rounded spoon-shaped tip ( Figs 13View FIGURE 13 A–B, 14A–B).

Redescription. Male (Holotype, MZSPAbout MZSP 412). Coloration (in alcohol): Head reddish brown. Body brown with a median dorsal white band. Paranota tip white. Legs reddish. Telson white. Total length: 57. Collum 2.09 long, 7.11 wide. Antennomere lengths (1>7): 0.91; 2.40; 2.28; 2.20; 2.20; 1.78; 0.29. Gonopod opening: 1.21 long, 1.78 wide. Telson 1.95. Gonopods: coxae with two bristles in the distal dorsal side. Without coxal apophysis. Prefemoral region ventrally positioned. Prefemoral process long, with narrow stalk about half of total PfP length; apex expanded, calyx-shaped, edge of calyx slightly serrated ( Fig. 13View FIGURE 13 A). The dorsal side of the prefemoral region with several folds ( Fig. 14View FIGURE 14 D). Transition from prefemoral region to acropodite discontinuous. Small incision at the external margin of the telopodite is visible in mesal view. Reduced cingulum visible in ectal view ( Fig. 14View FIGURE 14 C, arrow). Solenomere long and falciform. Acropodite process with a rounded lobe above the base of the solenomere ( Fig. 13View FIGURE 13 A, arrow), acropodite process terminating in a large flat rounded apex ( Figs 13View FIGURE 13 A–B).

Female (Paratype, MZSPAbout MZSP 929). Coloration (in alcohol) and body as in male. Total length 50. Collum 2.03 long, 6.80 wide. Telson 1.83. Cyphopods ( Figs 15View FIGURE 15 B–D) with numerous dispersed fine bristles on both valves. The apical part of cyphopod is slightly projected, the intermediate membrane projects between the valves ( Fig. 15View FIGURE 15 B).

Variation: The body of some specimens can show a whitish yellow coloration, however the median band is present, but weakly developed. In some individuals the apex of the prefemoral process lacks serration.

Distribution. State of Bahia, Brazil, in areas containing the Brazilian Atlantic forest biome ( Por et al. 2005).


Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo


Instituto Biologico de Sao Paulo


Museu Nacional/Universidade Federal de Rio de Janeiro














Atlantodesmus pintoi ( Schubart, 1946 )

Bouzan, Rodrigo Salvador, Pena-Barbosa, João Paulo P. & Brescovit, Antonio Domingos 2017


Leptodesmus pintoi

Schubart 1946: 166


Atlantodesmus pintoi:

Hoffman 2000: 106