File:Osedax ryderi (10.11646-zootaxa.4377.4.1) Figure 8.png

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English: FIGURE 8. Osedax ryderi n. sp., previously Osedax ‘nude-palp-G’, ‘nude palp #20’. A. Live holotype (SIO-BIC A4617) female, with dwarf male allotypes (SIO-BIC A4618) in tube (not visible) before dissection from whale bone at 2898 meters. B. Preserved holotype, with intact ovisac. Trunk is short and the palps contracted to be shorter than oviduct. C. One of two males (SIO-BIC A4618) found in tube of holotype. Male has been squeezed with sperm coming out of head region. Prototroch is visible anteriorly with orange pigmentation. Several hooks are visible in posterior segmented region. D. Posterior segmented region showing hooked chaetae in pairs on one side of segments 2 and 3. Other chaetae are not in plane of focus. E. Developing dwarf male (SIO-BIC A4618), or larval stage that has yet to become mature. No sperm or spermatids are visible in body. Prototroch is visible with prominent orange pigmentation and hooked chaetae are visible posteriorly.
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Source https://doi.org/10.11646/ZOOTAXA.4377.4.1
Author Rouse, G.W., Goffredi, S.K., Johnson, S. & Vrijenhoek, R.C. 2018. An inordinate fondness for Osedax (Siboglinidae: Annelida): Fourteen new species of bone worms from California. Zootaxa 4377(4): 451–489. DOI: 10.11646/zootaxa.4377.4.1
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current17:30, 9 December 2020Thumbnail for version as of 17:30, 9 December 20202,008 × 2,362 (5.65 MB)Christian Ferrer (talk | contribs){{Information |description ={{en|1=FIGURE 8. ''Osedax ryderi'' n. sp., previously Osedax ‘nude-palp-G’, ‘nude palp #20’. A. Live holotype (SIO-BIC A4617) female, with dwarf male allotypes (SIO-BIC A4618) in tube (not visible) before dissection from whale bone at 2898 meters. B. Preserved holotype, with intact ovisac. Trunk is short and the palps contracted to be shorter than oviduct. C. One of two males (SIO-BIC A4618) found in tube of holotype. Male has been squeezed with sperm coming out of...

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