Cyclorhagida Zelinka 1896

Figure 2.Echinoderes komatsui sp. n., camera lucida drawings. A, B Holotype, female (RUMF-ZK-00001), entire animal, dorsal and ventral views, respectively C, D allotype, male (RUMF-ZK-00002), segments 9–11, dorsal and ventral views, respectively. Double circle, grey circle, and black circle indicate sensory spot, type 1 glandular cell outlet, and type 2 glandular cell outlet, respectively. Abbreviations: gco1, type 1 glandular cell outlet; gco2, type 2 glandular cell outlet; ldt, laterodorsal tubule; ltas, lateral terminal accessory spine; lts, lateral terminal spine; lvt, lateroventral tubule; pe, penile spine; si, sieve plate; ss, sensory spot.

Figure 3.Echinoderes komatsui sp. n., Nomarski photomicrographs. A Entire animal B segments 5–7, ventral view C segments 8 and 9, ventral view D segments 10 and 11 of female, dorsal view E segments 10 and 11 of male, dorsal view. Complete circles indicate type 2 glandular cell outlet; dashed circles indicate sensory spots. Abbreviations: ltas, lateral terminal accessory spine; lts, lateral terminal spine; lvt, lateroventral tubule; ps, penile spine; si, sieve plate; te, tergal extension.

Dracoderes abeiFrom Zoological Museum, University of Copenhagen

Figure 4.Echinoderes komatsui sp. n., scanning electron micrographs. A Entire animal, lateral view B outer oral styles, lateral view C close up of laterodorsal type 2 glandular cell outlet on segment 2 D neck, overview E partly retracted head, overview F segments 2–3, lateral view G segments 1–3, ventral view. Complete circles indicate type 2 glandular cell outlets; dashed circles indicate sensory spots. Abbreviations: mvp, midventral placid; oos, outer oral style; pss, primary spinoscalid; sp, spinoscalid followed by ring number.

Figure 5.Diagram of mouth cone, introvert, and placids in Echinoderes komatsui sp. n. Grey area and heavy line arcs show mouth cone and placids, respectively. The table lists the scalid arrangement by sector.

Figure 6.Echinoderes komatsui sp. n., scanning electron micrographs. A Segments 5–8, lateral view B segments 8, lateral view C segments 10 and 11, male, dorsal view D segments 10 and 11, female, ventral view. Complete circle indicates type 2 glandular cell outlet; dashed circles indicate sensory spots. Abbreviations: ldt, laterodorsal tubule; ltas, lateral terminal accessory spine; lts, lateral terminal spine; lvt, lateroventral tubule; pe, penile spine; si, sieve plate; te, tergal extension.

Figure 1.Maps showing the sampling sites. A Close-up of the Okinawa main island and B Ishigaki island.

Figure 7.Echinoderes hwiizaa sp. n., camera lucida drawings. A, B paratype, female (RUMF-ZK-00016), entire animal, dorsal and ventral views, respectively C, D allotype, male (RUMF-ZK-00011), segments 9–11, dorsal and ventral views, respectively. Double circle, grey circle, and black circle indicate sensory spot, type 1 glandular cell outlet, and type 2 glandular cell outlet, respectively. Abbreviations: gco1, type 1 glandular cell outlet; gco2, type 2 glandular cell outlet; ldt, laterodorsal tubule; ltas, lateral terminal accessory spine; lts, lateral terminal spine; lvt, lateroventral tubule; mlt, midlateral tubule; pe, penile spine; si, sieve plate; ss, sensory spot.

Figure 8.Echinoderes hwiizaa sp. n., Nomarski photomicrographs. A entire animal B segments 1–2, ventral view C segments 3–5, ventral view D segments 6–9 ventral view E segments 9–11 of female, ventral view F segment 11 of male, dorsal view. Complete circles indicate type 2 glandular cell outlet; cashed circles indicate sensory spots. Abbreviations: ltas, lateral terminal accessory spine; lts, lateral terminal spine; lvt, lateroventral tubule; mlt, midlateral tubule; pe, penile spine; si, sieve plate; te, tergal extension.

Figure 9.Echinoderes hwiizaa sp. n., scanning electron micrographs. A Mouth cone B introvert, lateral view C neck and segments1–3, lateral view D segments 5–7, lateral view E close up of laterodorsal type 2 glandular cell outlet on segment 2. Complete circles indicate type 2 glandular cell outlet; dashed circles indicate sensory spots. Abbreviations: lvt, lateroventral tubule; oos, outer oral style; pss, primary spinoscalid; sec, introvert sector followed by sector number; sp, spinoscalid followed by ring number.

Figure 10.Diagram of mouth cone, introvert, and placids in Echinoderes hwiizaa sp. n. Grey area and heavy line arcs show mouth cone and placids, respectively. The table lists the scalid arrangement by sector.

Figure 11.Echinoderes hwiizaa sp. n., scanning electron micrographs. A segments 8–11, ventral view B segments 8–11, lateral view C close up showing sieve plate on segment 9 D segments 10 and 11, female, dorsal view. Dashed circles indicate sensory spots. Abbreviations: ldt, laterodorsal tubule; ltas, lateral terminal accessory spine; lts, lateral terminal spine; lvt, lateroventral tubule; mlt, midlateral tubule; pe, penile spine; si, sieve plate; te, tergal extension.

Figure 1.Maps showing the sampling sites. A Close-up of the Okinawa main island and B Ishigaki island.

USNM 1616695 - Specimen Image 5; Field number: MVS0015

USNM 1616695 - Specimen Image 4; Field number: MVS0015

USNM 1616695 - Specimen Image 8; Field number: MVS0015

USNM 1616695 - Specimen Image 7; Field number: MVS0015

USNM 1616695 - Specimen Image 1; Field number: MVS0015

USNM 1616695 - Specimen Image 3; Field number: MVS0015

USNM 1616695 - Specimen Image 6; Field number: MVS0015

USNM 1616695 - Specimen Image 2; Field number: MVS0015

USNM 1616679 - Specimen Image 1; Field number: MVS0022

USNM 1616714 - Specimen Image 4; Field number: MVS0006

USNM 1616718 - Specimen Image 1; Field number: MVS0002