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Figure 8; Male adult Chordodes formosanus from novel hosts. A Posterior end B Anterior end C–D Variable crowned areole morphologies from different individuals E Close view of (C) with typical C. formosanus crowned areoles; F Close view of (D) with smaller crowned areoles. Ca, crowned areole. Scale bars 100 µm (A), 10 µm (B), 100 µm (C–D), and 10 µm (E–F).
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Figure 14; A–F. Chordodes cf. joyeuxi. A. Female posterior end with terminal cloacal opening. B. Overview on cuticle with different types of areoles: tubercle areoles (tuar), thorn areoles (thar) and cluster of crowned and circumcluster areoles (crcl) (here a cluster with long filaments is present). C. Magnification of thorn areoles. E Magnification of tubercle areoles. D, F. Clusters of central crowned areoles and circumcluster areoles (ccar). G–I. Chordodes polycoronatus. G. Abundant large crowned areole clusters (one cluster is encircled). H. Posterior end with precloacal bristlefields (pbf). I. Magnification showing similar structure of areoles in the clusters.
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Figure 12; A, B. Pseudochordodes meridionalis, V2930. Cuticular structure in low (A) and higher (B) magnification, encircled in B is a tubercle areole. C–O. Chordodes sp., specimen V2230 (C–G) was formerly designated as holotype of C. pilosus. C. Overview onto the ventral side. Note elevated clusters on both sides of the ventral midline (vml). D. Overview onto the lateral side. Note scattered elevated clusters (arrow indicates one of these clusters). E. Higher magnification shows that the clusters are composed of elevated areoles. F. Clusters of crowned areoles (crar) and circumcluster areoles (ccar) are strongly eroded. Image shows a cluster from next to the ventral midline which includes crowned areoles with long apical filaments. G. Strongly eroded cluster from the lateral body side. H–O. Specimen V5320; H–K female specimen, L–O male specimen. H, I. Arrangement of crowned areole clusters with long filaments next to the ventral midline (vml). J. Two central crowned areoles within a cluster. K. Crowned areoles (crar) surrounded by circumcluster areoles (ccar). L–O. Cuticle and areoles in the male, see female for abbreviations. P–S. Chordodes brasiliensis, different specimens of number V7351. Cuticle shows scattered elevated crowned areoles among simple areoles (sar). Specimen V7351d has part of the cuticle covered by rests of the larval cuticle (lc).
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Figure 3; a–c Chordodes combiareolatus: a, b cluster of crowned areoles (crar) and circumcluster areoles (ccar) in different degrees of preservation of the apical filaments c simple areoles (sar) and the combined simple/tubercle areoles (tar) characteristic for this species d–h Chordodes cf. furnessi: d simple areoles (sar) and bulging areoles (bar) between clusters of crowned areoles (ccar = circumcluster areoles) e thorn areole (thar) f tubercle (tu) g, h two different clusters of crowned and circumcluster areoles, where no differences between these two types of areoles are visible.
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Figure 4; Chordodes cf. furnessi: a fine structure of areole from a crowned areole cluster b clusters containing crowned areoles with long apical bristles (arrowed) along the assumed midventral line (mvl) c in such clusters crowned areoles (crar) and circumcluster areoles (ccar) can be distinguished (bar = bulging areoles) d anterior end of the animal e fine structure of areoles in the anterior end f some spines (arrowed) are present between the areoles in the anterior end.