Taxonomic review of the genus Atlantodesmus Hoffman, 2000 (Polydesmida: Chelodesmidae)
Author
Bouzan, Rodrigo Salvador
Author
Pena-Barbosa, João Paulo P.
Author
Brescovit, Antonio Domingos
text
Zootaxa
2017
4236
2
269
290
journal article
36466
10.11646/zootaxa.4236.2.3
32f80859-d521-4449-adfc-3b04c33b3f39
1175-5326
321750
8A62CD73-AE84-47D1-8E31-9FD256086BF1
Atlantodesmus pickeli
(
Schubart, 1946
)
Figures 4
ḠI, 12, 19
Leptodesmus pickeli
Schubart, 1946
: 166
, fig. 1 (Male
holotype
, originally recorded as
Bairro da Casa Verde
,
São Paulo
, however the correct location is Jardim São Bento,
São Paulo
(
46°38′ 0″ W
,
23°33′ 0″ S
)
,
São Paulo
,
Brazil
; 1939, Dom
B. J. Pickel
leg., deposited in
IBSP
29
, examined).
Atlantodesmus pickeli
:
Hoffman, 2000
: 106
.
Diagnosis.
Males of
Atlantodesmus pickeli
differ from all other species of the genus by the presence of a small triangular lobe above the base of the solenomere (
Fig. 12
A, arrow) and prefemoral process densely serrated in its distal part (
Figs 12
A–B).
Additional material examined.
None.
Redescription. Male
(
Holotype
, IBSP 29). Coloration (in alcohol): Head reddish brown. Body dark brown. Paranotal tips yellow. Telson brown. Total length: 60. Collum absent. Antennomere lengths (1>7): 0.97; 2.32; 2.20; 1.95; 2.18; 1.60; 0.31. Gonopod aperture 3.14 long, 3.87 wide. Telson missing. Gonopods: coxae with two bristles on the distal dorsal side. Coxal apophysis not acute. Prefemoral region ventrally positioned. Prefemoral process long, narrow in the base and dilated at its apex, with densely serrated margins (
Fig. 12
A). Reduced cingulum present (
Fig. 12
B). Solenomere tip acute. Triangular lobe above the base of the solenomere, visible in mesal view (
Fig. 12
A, arrow). Acropodite process forming a large hood, with serrated distal mesal margin (
Figs 12
A–B).
Female
(IBSP 4433). Coloration (in alcohol) and body as in male. Total length 60. Collum 2.59 long, 8.08 wide. Telson 1.80.
Distribution.
Known only from the city of
São Paulo
,
São Paulo
,
Brazil
, in areas containing the Brazilian biome Atlantic forest (
Por
et al.
2005
).