Cyathorobbea hypermnestra

Fig. 1 Pharynx musculature of Stilbonematinae, CLSM optical sections. Anterior on the left side. a Eubostrichus topiarius, b Paralaxus cocos, c Catanema schiemeri, d Robbea lotti, e Robbea weberae, f Rob- bea judithae, g Cyathorobbea hypermnestra, h Cyathorob- bea ruetzleri, i Cyathorobbea agricola, j Laxus oneistus. Scalebars 20 μm. ap, anterior pharynx; b, bulbus; bd, buccal dilator muscle; c, corpus; da, dorsal ampulla; gd, gland duct; i, isthmus; sp, spiral muscle; spm, somato-pharyngeal mus- cle; sm, somatic muscle

Fig. 5 Dorsal and subventral gland ampullae. Anterior on the left side. a Catanema schiemeri, CLSM optical section, autofluorescence, corpus, b Catanema schiemeri, TEM micrograph, corpus c Catanema schiemeri, CLSM micrograph, isthmus, musculature in orange, nuclei in blue d Robbea lotti, CLSM optical section, musculature in orange, nuclei in blue, corpus e Robbea weberae, CLSM optical section, musculature in orange, nuclei in blue, corpus f Robbea judithae, CLSM optical section, musculature in orange, nuclei in blue, corpus g Cyathorobbea hypermnestra, CLSM optical section, musculature in orange, corpus h Cyathorobbea hypermnestra, TEM micrograph, corpus i Cyathorobbea hypermnestra TEM micrograph, anterior isthmus j Cyathorobbea ruetzleri, CLSM optical section, musculature

Fig. 7 Pharyngeal region, pharynx nuclei, CLSM opti- cal sections. Colors: a–c, e, f: musculature in red/orange, nuclei in blue; d: musculature in blue, nuclei in magenta; nuclei within the orange labelled area/ outline are pharynx nuclei. For some species the outline of the pharynx is further indicated with white dashed lines. a Catanema schiemeri, b Robbea judithae, c Robbea lotti, d Rob- bea weberae, e Cyathorobbea hypermnestra, f Cyathorobbea ruetzleri, g Cyathorobbea agri- cola, h Laxus oneistus. Dashed lines indicate the outline of the pharynx. Scalebars 20 μm. en, elongated nucleus inside the pharynx; n, nucleus inside the pharynx; ne, epidermal nuclei

Fig. 11 Pharyngeal region a Cyathorobbea ruetzleri, volume rendering, corpus musculature b Cyathorobbea hypermnestra, CLSM maximum intensity projection, bulbus, musculature in orange, nuclei in blue c, d Cyathorobbea agricola, CLSM optical sections, corpus region, musculature in orange, nuclei in blue e Cyathorobbea agricola, CLSM optical section, pharynx region, musculature in blue, nuclei in magenta. Scalebars a 10 μm, b 20 μm, c 10 μm, d 20 μm, e 20 μm. b, bulbus; bd, buccal dilator; c, corpus; da, dorsal ampulla; en, elongated nucleus; gd, gland duct; i, isthmus; n, nucleus; spm, somato-pharyngeal muscle; va, subventral ampulla

Fig. 10 3D Reconstructions of corpus nuclei, anterior on the right a Catanema schiemeri, b Cyathorobbea hypermnestra, c, d Robbea judithae. Scalebars a 10 μm, b 15 μm, c 20 μm, d 10 μm. c, corpus