Atlantodesmus eimeri ( Attems, 1898 ),

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: 275-279

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Atlantodesmus eimeri ( Attems, 1898 )


Atlantodesmus eimeri ( Attems, 1898) 

Figures 4View FIGURE 4 ĀC, 6–8, 19

Leptodesmus (Odontopeltis) eimeri Attems, 1898: 67  , 400, fig. 151 (Four syntypes from Blumenau (49°07’17’’W, 26°91’65’’S), Santa Catarina, Brazil, 5/II/1889, L. Hettsckko leg., deposited in NHMW, not examined).GoogleMaps 

Pseudoleptodesmus (Brachyurodesmus) eimeri: Attems, 1931: 34  , figs 50–53.

Leptodesmus (Leptodesmus) verhoeffi Attems, 1931: 17  , figs 18–21. (Male holotype from Santa Catarina, Brazil; W. Erhardt leg., deposited in ZMH, not examined). Attems, 1938: 21, fig. 19; Schubart, 1954: 99 (syn.).

Leptodesmus (Brachyurodesmus) eimeri: Attems, 1938: 47  , figs 53–54.

Leptodesmus eimeri: Schubart, 1946: 192  ; 1954: 99, fig. 19.

Leptodesmus verhoeffi: Schubart, 1946: 196  .

Atlantodesmus eimeri: Hoffman, 2000: 101  –113, fig. 3–7, 12.

Note. The original description and figures by Attems (1898), as well the descriptions by Schubart (1954), are highly detailed, making the examination of the type material unnecessary. Also, specimens of A. eimeri  were easily identified among collections, due to its distinct gonopod and unusual tubercles in the dorsal surface of the metazonites, thereby allowing a more comprehensive analysis.

Additional material examined. BRAZIL. PARANÁ: Piraquara (49°06’28’’W, 25°44’26’’S), Mananciais da Terra , 1♂, 02/XI/2002, A. Chagas-Jr col. ( MNRJ 11963View Materials)GoogleMaps  ; Morretes, Pico do Marumbi (48°82’90’’W, 25°48’27’’S), 1♀, XI/1945, O. Curial col. ( MZSP 934View Materials)GoogleMaps  . SANTA CATARINA: Blumenau, Parque Estadual Ribeirão do Garcia (49°05’95’’W, 26°93’30’’S), 7♂, 24/I/2003, C.A. Rheims col. ( IBSP 2191View Materials, IBSP 2202View Materials, IBSP 2208View Materials, IBSP 2211View Materials, IBSP 1828View Materials)GoogleMaps  ; Blumenau , Nova Rússia (49°07’17’’W, 26°91’65’’S), 3♂ 1♀, 20/II/2013, R.P. Indicatti & B. Gambaré col. ( IBSP 4367View Materials)GoogleMaps  ; Paulo Lopes , Parque Estadual da Serra do Tabuleiro (48°80’35’’W, 27°92’22’’S), 19♂ 15♀, 10– 20/I/2003, Equipe Biota col. ( IBSP 2936View Materials, IBSP 2337View Materials, IBSP 2326View Materials, IBSP 2303View Materials, IBSP 2317View Materials, IBSP 2296View Materials, IBSP 2332View Materials, IBSP 2348View Materials, IBSP 2315View Materials, IBSP 2318View Materials, IBSP 2344View Materials, IBSP 2345View Materials, IBSP 2343View Materials, IBSP 2334View Materials, IBSP 2346View Materials, IBSP 2340View Materials, IBSP 2338View Materials, IBSP 3126View Materials, IBSP 3123View Materials, IBSP 3124View Materials, IBSP 2353View Materials)GoogleMaps  ; Corupá (49°24’52’’W, 26°43’55’’S), RPPN Emilio Batistella , 9♂ 5♀, 05–06/XII/2011, P.G.B.S. Dias col. ( IBSP 3864View Materials, IBSP 3865View Materials, IBSP 3866-3867View Materials, IBSP 3868View Materials, IBSP 2869View Materials, IBSP 3869View Materials, IBSP 3870View Materials, IBSP 3871View Materials, IBSP 3873View Materials, IBSP 3874View Materials, IBSP 3875View Materials)GoogleMaps  ; Florianópolis, ( Praia do Santinho , 48°38’26’’W, 27°47’08’’S, Morro das Aranhas), 1♂, 29/X/2008, Pedroso & Vasconcelos col. ( MNRJ 11945View Materials)GoogleMaps  ; Poção (48°50’69’’W, 27°61’05’’S), 1♂ 1♀, 10–15/II/2002, D.R. Pedroso col. ( MNRJ 11952View Materials)GoogleMaps  ; ( Praia de Canasvieiras , 48°45’82’’W, 27°43’22’’S), 1♂, IV/1945, L. Gofferjé col. ( MZSP 933View Materials)GoogleMaps  ; Porto Belo, (48°54’04’’W, 27°15’42’’S), APA Araçá , 1♂ 1♀, 25/IV/ 2011, Trívia, A.L. & A. Chagas-Jr col. ( IBSP 3713View Materials)GoogleMaps  ; Brusque (48°91’11’’W, 27°09’82’’S), 12♂ 4♀, 1949, H.P. Veloso col. ( MZSP 2976View Materials, MZSP 3175View Materials, MZSP 3215View Materials, MZSP 2979View Materials, MZSP 3231View Materials, MZSP 3283View Materials, MZSP 2908View Materials, MZSP 5684View Materials, MZSP 5585View Materials, MZSP 3384View Materials, MZSP 20788View Materials, MZSP 3180View Materials, MZSP 3164View Materials, MZSP 2403View Materials, MZSP 3366View Materials, MZSP 4064View Materials)GoogleMaps  ; Rio dos Cedros (49°27’43’’W, 26°74’35’’S), 5♂, 9–10/I/1982, F. Val col. (MZSP 932).

Diagnosis. Males differ from all other species of the genus by the acropodite process not enveloping the solenomere ( Fig. 7View FIGURE 7 A), by presence of a well-defined coxal apophysis in the gonopod ( Fig. 8View FIGURE 8 A, arrow) and dorsal surface of the diplosegments with conspicuous tubercles ( Fig. 7View FIGURE 7 D).

Redescription. Male ( IBSP 4367). Coloration (in alcohol): Head reddish brown. Body reddish brown. Paranota tip with the same color as the body. Legs reddish. Telson brown. Total length: 42.4. Collum 1.43 long, 5.07 wide. Antennomere lengths (1>7): 0.69; 1.63; 1.16; 1.05; 1.36; 1.43; 0.40. Gonopod aperture 1.09 long, 1.65 wide. Telson 1.07. Gonopods: coxae with a distal row of bristles dorsally. With a coxal apophysis ( Fig. 8View FIGURE 8 A). Prefemoral region ventrally positioned. Prefemoral process long, reaching approximately the apex of the solenomere. Apex of the prefemoral process spatula-shaped with a serrated margin ( Fig. 7View FIGURE 7 A). Dorsal side of prefemoral region with several folds. Cingulum reduced ( Fig. 7View FIGURE 7 C). Solenomere elongated and sickle-shaped. Acropodite process flat, blade-shaped, not enveloping the solenomere ( Figs 7View FIGURE 7 A –B).

Female (IBSP 2332). Coloration (in alcohol) and body as in male. Total length 41. Collum 1.83 long, 5.42 wide. Telson 1.13. Cyphopods ( Figs 8View FIGURE 8 C –D) with thick bristles dispersed on each of the valves. Apical part of cyphopod concave, with the intermediate membrane projecting between the valves ( Fig. 8View FIGURE 8 D). Distribution. States of Paraná and Santa Catarina, Brazil, in areas containing the Brazilian Atlantic forest biome ( Por et al. 2005).


Naturhistorisches Museum, Wien


Museu Nacional/Universidade Federal de Rio de Janeiro


Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo


Instituto Biologico de Sao Paulo














Atlantodesmus eimeri ( Attems, 1898 )

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

Atlantodesmus eimeri:

Hoffman 2000: 101

Leptodesmus eimeri:

Schubart 1946: 192

Leptodesmus verhoeffi:

Schubart 1946: 196

Leptodesmus (Brachyurodesmus) eimeri:

Attems 1938: 47

Pseudoleptodesmus (Brachyurodesmus) eimeri:

Attems 1931: 34

Leptodesmus (Leptodesmus) verhoeffi

Attems 1938: 21
Attems 1931: 17

Leptodesmus (Odontopeltis) eimeri

Attems 1898: 67