Global Cestode DatabaseCestode Scientific Name
| Species ID | 7488 |
|---|---|
| Order | Diphyllobothriidea |
| Family | Diphyllobothriidae |
| Subfamily | |
| Genus | Diphyllobothrium |
| Species | yonagoensis |
| Authority | Yamane, Kamo, Yazaki, Fukumoto & Maejima, 1981 |
| Taxonomic Status | Synonym |
| Valid Name | Diphyllobothrium stemmacephalum Cobbold, 1858 |
| Synonyms | |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | |
| Citation(s) |
Yamane, Y, H. Kamo, S. Yazaki, S. Fukumoto, and J. Maejima. 1981. On a new marine species of the genus Diphyllobothrium (Cestoda: Pseudopyllidea) found from a man in Japan. Japanese Journal of Parasitology 30(2): 101–111. (6656) Download PDF |
| Redescription | |
| Scientific Name Notes | -the species name was corrected by Kamo et al. (1982) as "yonagoense" following to the neuter generic name -synonymised with D. stemmacephalum by Andersen (1987) |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 07/20/2010 | Created | B. Barbeau |
| 08/02/2012 | Modified | |
| 01/14/2016 | Modified | R. Kuchta |
| 05/11/2016 | Modified | B. Barbeau |
| 09/19/2016 | Modified | B. Barbeau |
| 08/08/2017 | Modified | R. Kuchta |
Type Host
| Host Class | Mammalia | ||||||
|---|---|---|---|---|---|---|---|
| Host Order | Primates | ||||||
| Host Family | Hominidae | ||||||
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Type Host (Literal) |
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Type Host (Valid) |
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| Additional Host(s) | |||||||
| Site in Host | intestine | ||||||
| Host Notes |
Type Locality
| Country | Japan |
|---|---|
| Body of Water | Pacific Ocean |
| Island(s) | |
| City/Region | Yonago City, Tottori Prefecture |
| Coordinates | |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | |
| Locality Notes |
Specimens
| Type Material | -Department of Medical Zoology, Touori University school of Medicine, Yonago City, 683 Japan No. HLS7703 (holotype) |
|---|---|
| Total Number of Type Specimens | |
| Voucher Material | |
| Specimen Notes |
Data are given as in original description unless otherwise indicated.
Fig. 1. Whole worm preserved in 5% formalin solution. Fig. 2. Anterior part of strobila. Fig. 3. Scolex, neck and immature segmems (scale= 1 mm). Fig. 4. Egg (scale= 10 μ). Fig. 5. Coracidium hatched in sea-water. Fig. 6. Egg shell surface by scanning electron microscop (X 5,000). Fig. 7. Immature segments at ca. 100 mm from anterior end (no staining). Fig. 8. Mature segments at ca. 500 mm from anterior end (no staining). Fig. 9. Mature segmems at ca. 1,000 mm from anterior end (no staining). 
Fig. 10. Mature segments at ca. 2,000 mm from anterior end (no staining). Fig. 11. Gravid segments at ca. 3.000 mm from anterior end (no staining). Fig. 12. Mature segments at ca. 2,500 mm from anterior end, showing abnormal segmentation (no staining). Fig. 13. Gravid segments at ca. 3.400 mm from anterior end. Egg scarecely seen in uteri (no staining). Fig. 14. Terminal segment (no staining). Fig. 15. Area of genital atrium by scanning electron microscopy (X 50). Fig. 16. Area of genital atrium by SEM, showing double sets of genital organs (X 50) c= cirrus, u= uterine opening. Fig. 17. Cross cracking of mature segment by freeze-fructure method of SEM (X 50). 
Fig. 18. Matute segment stained with carmine, showing double sets of genital organs in one segments (scale= 2 mm). Fig. 19. Uterine loops in mature segment. Fig. 20. Uterine loops in two mature segments, showing single sets and double sets of genital organ, respectively. Fig. 21. Cross section of mature segment, showing double sets of genital organs (scale=0.5 mm). Fig. 22. Cross section of mature segment (scale=0.5 mm) lm= longitudinal muscle layer, n= nerve cord, t = testes, tm = transverse muscle layer, y = yolk gland (vitellaria), Fig. 23. Sagittal section of mature segment (scale=0.5 mm). Fig. 24. Larger magnification of Fig. 23 (scale= 0.5) c= cirrus sac, g= genital atrium. s= seminal vesicle, u = uterus, uo = uterine opening, v= vagina. Fig. 25. Sagittal section of another mature segment (scale= 0.5 mm).
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