Fig 1.
Ommatoiulus avatar n. sp., male paratype.
Photograph of head and anterior-most rings.
Fig 2.
Volume rendering highlighting genitalia and other sexual characters in the cybertypes. (A) Holotype male with highlighted gonopods, first pair of legs and mandibular stipites. (B) Paratype female with highlighted vulvae and eggs. Images not to scale.
Fig 3.
Ommatoiulus avatar n. sp., male paratype.
Photographs of dissected gonopods in toto. (A) anterior view; (B) posterior view. Abbreviations. Dg. digit-shaped process; Ms. mesomerite; S. solenomerite; P. promerite; Px. paracoxite.
Fig 4.
Ommatoiulus avatar n. sp., male paratype.
Photographs of dissected gonopods showing details. (A) right gonopod, mesal view; (B) left promerite, posterior view; (C) left posterior gonopod, mesal view; (D) left posterior gonopod, posterior view; (E) left posterior gonopod, lateral view. Abbreviations. Dg. digit-shaped process; F. fovea; Lf. lamellar fold of the solenomerite; Mr. mesal ridge; Ms. mesomerite; n. notch; P. promerite; Ps. pointed process of the solenomerite; Px. paracoxite; S. solenomerite; T. rudimentary telopodite.
Fig 5.
Ommatoiulus avatar n. sp., male paratype, gonopods details, SEM.
(A) left promerite, posterior view; (B) left posterior gonopods, antero-lateral view; (C) left posterior gonopod, lateral view; (D) left posterior gonopod, meso-apical view. Abbreviations. Bp. blunt process of the solenomerite; Dg. digit-shaped process; F. fovea; g. seminal groove; Lf. lamellar fold of the solenomerite; Mr. mesal ridge; Ms. mesomerite; n. notch; Px. paracoxite; S. solenomerite; Sl. serrated lamella of the solenomerite; T. rudimentary telopodite.
Fig 6.
Ommatoiulus avatar n. sp., male paratype, gonopod details, SEM.
(A) right gonopod, mesal view; (B) right gonopod, meso-posterior view; (C) right gonopod, postero-apical view; (D) right gonopod, latero-apical view. Abbreviations. Dg. digit-shaped process; F. fovea; g. seminal groove; Lf. lamellar fold of the solenomerite; Ms. mesomerite; P. promerite; Px. paracoxite; S. solenomerite; Sl. serrated lamella of the solenomerite.
Fig 7.
Volume rendering: Amira snapshots enhanced to illustrate the gonopods and left vulva in the cybertypes. (A) Gonopods, anterior view; (B) Gonopods, posterior view; (C) Left gonopod, mesal view; (D) Left vulva, posterior view. Abbreviations. Ap. apodemes; B. bursa; F. fovea; Ms. mesomerite; Op. operculum; P. promerite; Px. paracoxite; S. solenomerite. Images not to scale.
Fig 8.
Ommatoiulus avatar n. sp., female paratype, vulvae details, SEM.
(A) left vulva, posterior view; (B) left vulva, mesal view; (C) left vulva, lateral view; (D) left vulva, anterior view. Abbreviations. B. bursa; C. concavity. Ci. crest of the valve; Op. operculum; Tr. triangular process of the valve.
Fig 9.
3D virtual dissection of the holotype depicting the gonopods in situ. (A) Oblique transverse cut at body ring 10, showing attached musculature; (B) Parasagittal cut showing musculature and other anatomical structures. Images not to scale.
Fig 10.
3D virtual dissection of the paratype, depicting vulvae in situ. (A) Horizontal cut; (B) Transverse cut at body ring 3; (C) Parasagittal cut. Images not to scale.
Fig 11.
Virtual sections of the cybertypes (male and female), selected from the archived image stacks and displayed with unaltered window and level (brightness and contrast) settings. (A) Cybertype male, parasagittal section showing gonopods, musculature and other anatomical structures. (B) Cybertype female, parasagittal cut showing vulvae, eggs, musculature and other anatomical structures. (C) Cybertype male, transverse section showing parts of the gonopods.