A reassessment of the Neotropical genus Pseudonannolene Silvestri, 1895: cladistic analysis, biogeography, and taxonomic review (Spirostreptida: Pseudonannolenidae) Author Iniesta, Luiz Felipe Moretti DEEF048E-97FB-4CCD-875F-5FA6184CA8AB&14A15A7F-730F-4D41-BDAC-D53514FAB85D Pós-graduação em Zoologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil. & Laboratório de Coleções Zoológicas, Instituto Butantan, Avenida Vital Brasil, 1500, 05503 - 090, São Paulo, Brazil. rodrigobouzan@outlook.com Author Bouzan, Rodrigo Salvador DEEF048E-97FB-4CCD-875F-5FA6184CA8AB&14A15A7F-730F-4D41-BDAC-D53514FAB85D Pós-graduação em Zoologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil. & Laboratório de Coleções Zoológicas, Instituto Butantan, Avenida Vital Brasil, 1500, 05503 - 090, São Paulo, Brazil. rodrigobouzan@outlook.com Author Brescovit, Antonio Domingos 14A15A7F-730F-4D41-BDAC-D53514FAB85D&D5B81D79-AFAE-47B1-8A6E-DAB448A24BCC Laboratório de Coleções Zoológicas, Instituto Butantan, Avenida Vital Brasil, 1500, 05503 - 090, São Paulo, Brazil. rodrigobouzan@outlook.com&antonio.brescovit@butantan.gov.br text European Journal of Taxonomy 2023 2023-04-27 867 1 1 312 http://dx.doi.org/10.5852/ejt.2023.867.2109 journal article 57602 10.5852/ejt.2023.867.2109 1d2570da-e150-4d75-94d8-bfc5813062bc 2118-9773 7891021 8DEF295C-A8B1-4A6B-B873-B30949F64E07 Pseudonannolene xavieri Iniesta & Ferreira, 2014 Figs 143–144 , 166Q , 174A , 179E , 189 Pseudonannolene xavieri Iniesta & Ferreira, 2014: 373 , figs 9, 14f. Pseudonannolene xavieri – Gallo & Bichuette 2019: 48 . Diagnosis Males of P. xavieri resemble those of P. anapophysis , P. bovei , and P. inops by having solenomere with elongated ectal process directed horizontally ( Fig. 144D ), but differing by having the telopodite larger than half of gonocoxa in width; subtriangular internal branch ( Fig. 144D–F ). Etymology Patronym honoring the Brazilian biospeleologist Xavier Prous ( Iniesta & Ferreira 2014 ). Material examined Holotype BRAZIL • ♂ ; Bahia , Iraquara , Fumaça cave ; [ -12.33169 , -41.59664 ]; 723 m a.s.l. ; 7 Jan. 2001 ; R.L. Ferreira et al. leg.; ISLA 4105 . Other material (total: 1 ♂ , 2 ♀♀ ) BRAZIL – Bahia • 2 ♀♀ ; same collection data as for holotype; 2014; ISLA 20618 • 1 ♂ ; Lapa Doce ; 11 Nov. 2002 ; A. Giupponi and R. Baptista leg.; MNRJ 30148 . Descriptive notes MEASUREMENTS . 60–61 body rings (1 apodous + telson). Males: body length 44 mm ; maximum midbody diameter 3.3 mm . Females: body length 46 mm ; maximum midbody diameter 3.4 mm . COLOR . Body color brownish grey; head, collum, antennae little darker; prozonites anteriorly greyish; metazonites with a posterior band lighter; legs brownish. HEAD . Antennae short ( Fig. 143A ), just reaching back to end of ring 5 when extended dorsally; antennomeres elongated; relative antennomere lengths 1<2<3>4>5<6>7. Mandibular cardo with ventral margin narrow. Ommatidial cluster well-developed, elliptical; ca 26 ommatidia in 5 rows. BODY RINGS . Collum with lateral lobes rounded, with ca 4 shallow striae ( Fig. 143A ). Very faintly constricted between prozonite and metazonite; prozonites smooth; metazonites laterally with transverse striae slightly above ozopore in anterior body rings. Anterior sterna in midbody rings subrectangular, with 7 transverse striae ( Fig. 174A ). FIRST LEG-PAIR OF MALES . Coxae ( cx ) short (less than half of remaining podomere lengths), subtriangular, with the base arched and slightly expanded, densely setose ( Fig. 144A ); prefemoral process ( prf ) about as wide as half of prefemur, subcylindrical, densely setose up to its median region ( Fig. 144B ); remaining podomeres with setae along the mesal region. SECOND LEG-PAIR OF MALES . Coxa ( cx ) large and rounded; penis ( pn ) located at proximal region, circle-shaped ( Fig. 144C ); prefemur compressed dorsoventrally; remaining podomeres setose. GONOPODS . Gonocoxa ( gcx ) elongated, subrectangular, with the base slightly arched; antero-posteriorly flattened ( Fig. 144D–F ); with rows of papillae mesally. Seminal groove ( sg ) curved; arising medially on mesal cavity and terminating apically on the seminal apophysis ( sa ). Shoulder ( sh ) subtriangular. Telopodite ( tp ) as wide as half of gcx ( Fig. 144D ); solenomere ( sl ) with apicomesal process ( amp ) short; ectal process ( ep ) subtriangular, elongated and perpendicular to amp ; sa located at mesal portion, elongated, visible apically. Internal branch ( ib ) subtriangular, narrow, surrounding basally tp as a shield; ib with setae along its entire margin exceeding apically seminal region of sl ( Fig. 144D–F ). VULVAE . As typical for the genus. Bursa subtriangular, glabrous ( Fig. 179E ); internal valve subtriangular; operculum slightly curved ectad; external valve subtriangular. Distribution Known only from Iraquara, Bahia State , Brazil ( Fig. 189 ).