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    Polycladida Lang 1881

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    Order Polycladida Lang, 1881 Suborder Cotylea Lang, 1884Published as part of Dittmann, Isabel L., Dibiasi, Wolfgang, Noreña, Carolina & Egger, Bernhard, 2019, Description of the snail-eating flatworm in marine aquaria, Pericelis tectivorum sp. nov. (Polycladida, Platyhelminthes), pp. 383-397 in Zootaxa 4565 (3) on page 385, DOI: 10.11646/zootaxa.4565.3.5, http://zenodo.org/record/259031

    FIGURE 8 in A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes)

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    FIGURE 8. Drawings of A. Cycloporus papillosus var. levigatus and B–C. Cycloporus papillosus as shown in Lang (1884). Original scale.Published as part of Dittmann, Isabel L., Grosbusch, Alexandra L., Bertemes, Philip & Egger, Bernhard, 2023, A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes), pp. 235-248 in Zootaxa 5319 (2) on page 244, DOI: 10.11646/zootaxa.5319.2.5, http://zenodo.org/record/818250

    FIGURE 6. A–C in A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes)

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    FIGURE 6. A–C. Cross sections of marginal pores of Cycloporus pinkipus sp. n. Arrows point to marginal pores.Published as part of Dittmann, Isabel L., Grosbusch, Alexandra L., Bertemes, Philip & Egger, Bernhard, 2023, A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes), pp. 235-248 in Zootaxa 5319 (2) on page 242, DOI: 10.11646/zootaxa.5319.2.5, http://zenodo.org/record/818250

    Description of the snail-eating flatworm in marine aquaria, Pericelis tectivorum sp. nov. (Polycladida, Platyhelminthes)

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    Dittmann, Isabel L., Dibiasi, Wolfgang, Noreña, Carolina, Egger, Bernhard (2019): Description of the snail-eating flatworm in marine aquaria, Pericelis tectivorum sp. nov. (Polycladida, Platyhelminthes). Zootaxa 4565 (3): 383-397, DOI: 10.11646/zootaxa.4565.3.

    FIGURE 7. Phylogenetic maximum likelihood reconstruction using partial 28S in A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes)

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    FIGURE 7. Phylogenetic maximum likelihood reconstruction using partial 28S sequences (accession numbers in brackets) of polyclads, rooted with Macrostomum lignano; branches other than Euryleptidae and Stylostomidae collapsed. Bootstrap nodal support of 200 non-parametric bootstrap replicates. Full tree in Suppl. Mat. 2. Cycloporus pinkipus sp. n. marked in pink. Additional representatives of Cycloporus written in red. Representatives of Eurylepta written in light green. Branches of Euryleptidae in light green. Branches of Stylostomidae in light blue. Branches of Pseudocerotidae in purple. Scale bar indicates the number of substitutions per site.Published as part of Dittmann, Isabel L., Grosbusch, Alexandra L., Bertemes, Philip & Egger, Bernhard, 2023, A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes), pp. 235-248 in Zootaxa 5319 (2) on page 243, DOI: 10.11646/zootaxa.5319.2.5, http://zenodo.org/record/818250

    FIGURE 5 in A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes)

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    FIGURE 5. Sagittal reconstruction of the genital of Cycloporus pinkipus sp. n. cg = cement glands, cp = cement pouch, fd =female duct, fp = female pore, i = intestine, m = mouth opening, mp = male pore, o = ovary, p = pharynx, ps = penis sheath, pp = penis papilla, pv = prostatic vesicle, st = stylet, sv = seminal vesicle, t = testis, u = uterus, uv = uterine vesicle, vd = vas deferens. Orientation: anterior to the left.Published as part of Dittmann, Isabel L., Grosbusch, Alexandra L., Bertemes, Philip & Egger, Bernhard, 2023, A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes), pp. 235-248 in Zootaxa 5319 (2) on page 242, DOI: 10.11646/zootaxa.5319.2.5, http://zenodo.org/record/818250

    FIGURE 1 in A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes)

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    FIGURE 1. Live images of Cycloporus pinkipus sp. n. A–E. Incident light, F–G. Transmitted light. A., E. Dorsal view of the holotype (specimen #3). B. Ventral view of the holotype (specimen #3). C. Dorsal view of specimen #2. D. Dorsal view of specimen #1. F. Dorsal view of paratype 1 (specimen #5). G. Dorsal view of specimen #4. ce = cerebral eyes, p = pharynx, su = sucker, t = tentacle, te = tentacle eyes. Orientation: A–B anterior directed upwards, C–G anterior directed to the left.Published as part of Dittmann, Isabel L., Grosbusch, Alexandra L., Bertemes, Philip & Egger, Bernhard, 2023, A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes), pp. 235-248 in Zootaxa 5319 (2) on page 238, DOI: 10.11646/zootaxa.5319.2.5, http://zenodo.org/record/818250

    FIGURE 4 in A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes)

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    FIGURE 4. Sagittal sections of genital apparatus of Cycloporus pinkipus sp. n. (paratype 1; specimen #5). A–D. Penis papilla, stylet, prostatic vesicle and vas deferens. E–L. Junction between seminal vesical and vas deferens. M. Female genital. Arrows indicate the region of detailed views. N. Detailed view of ovary. O. Detailed view of female pore. P. Female duct, uterus and uterine vesicle. cg = cement glands, fd =female duct, fp = female pore, ma = male atrium, mp = male pore, o = ovary, pp = penis papilla, ps = penis sheath, pv = prostatic vesicle, pvd = prostatic vesicle duct, st = stylet, sv = seminal vesicle, svd = seminal vesicle duct, ut = uterus, uv = uterine vesicle, vd = vas deferens. Orientation: anterior to the left. Same scale bars in A–L., O–P.Published as part of Dittmann, Isabel L., Grosbusch, Alexandra L., Bertemes, Philip & Egger, Bernhard, 2023, A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes), pp. 235-248 in Zootaxa 5319 (2) on page 241, DOI: 10.11646/zootaxa.5319.2.5, http://zenodo.org/record/818250

    Cycloporus pinkipus Egger & Dittmann 2023, sp. n.

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    <i>Cycloporus pinkipus</i> Egger & Dittmann sp. n. <p>(Figs. 1–6)</p> <p> <b>Material examined.</b> <i>Cycloporus pinkipus</i> sp. n. specimens #1 and #2 used for molecular analysis. Specimens #3 and #5 sagittally sectioned. Specimens #1, #2, #3, #4 and #5 used for live observations. Specimen #6 cross-sectioned.</p> <p> <b>Type material.</b> Serial sections of holotype and paratypes submitted to the Natural History Museum Vienna, Austria. GenBank accession numbers of partial nuclear ribosomal subunits of specimen #2 are OQ676574 (18S) and OQ676575 (28S). The ZooBank registration number is urn:lsid:zoobank.org:act: 6765D50D-C5C8-44D3-A032- 29FDFAC6165F.</p> <p> <b>Holotype.</b> One sagittally sectioned specimen (#3) stained with AZAN (NHMW-ZOO-EV-M-5880).</p> <p> <b>Paratype 1.</b> One sagittally sectioned specimen (#5) stained with AZAN (NHMW-ZOO-EV-M-5881).</p> <p> <b>Paratype 2.</b> One cross-sectioned specimen (#6) stained with AZAN (NHMW-ZOO-EV-M-5882).</p> <p> <b>Type locality.</b> Port of Punat, Krk, Croatia (45°01’23’’N 14°37’41’’E).</p> <p> <b>Habitat.</b> Animals were found in brown algae.</p> <p> <b>Etymology.</b> The species epithet ‘pinkipus’ refers to the typical pink spots which characterises the dorsal colouration, and rhymes with ‘Cycloporus’.</p>Published as part of <i>Dittmann, Isabel L., Grosbusch, Alexandra L., Bertemes, Philip & Egger, Bernhard, 2023, A new species of Cycloporus from the Adriatic Sea, with an updated phylogeny of the families Euryleptidae and Stylostomidae (Polycladida, Platyhelminthes), pp. 235-248 in Zootaxa 5319 (2)</i> on page 237, DOI: 10.11646/zootaxa.5319.2.5, <a href="http://zenodo.org/record/8182500">http://zenodo.org/record/8182500</a&gt
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