Global Cestode DatabaseCestode Scientific Name
| Species ID | 12755 |
|---|---|
| Order | Diphyllidea |
| Family | |
| Subfamily | |
| Genus | Halysioncum |
| Species | rayallemangi |
| Authority | (Tyler, 2001) Caira, Marques, Jensen, Kuchta & Ivanov, 2013 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | V. Ivanov, R. Kuchta |
| Citation(s) |
Tyler, G. A. 2001. Diphyllidean cestodes of the Gulf of California, Mexico with description of two new species of Echinobothrium (Cestoda: Diphyllidea). Journal of Parasitology 87(1): 173-184. (4464) Download PDFCaira, J. N., F. P. L. Marques, K. Jensen, R. Kuchta, and V. Ivanov. 2013. Phylogenetic analysis and reconfiguration of genera in the cestode order Diphyllidea. International Journal for Parasitology 43: 621-639. (6204) Download PDF |
| Redescription | |
| Scientific Name Notes |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 10/18/2013 | Created | B. Barbeau |
| 08/20/2014 | Modified | |
| 02/03/2016 | Modified | K. Mojica |
| 02/03/2016 | Modified | J. Caira |
| 03/23/2016 | Modified | B. Barbeau |
| 08/23/2016 | Modified | R. Kuchta |
Type Host
| Host Class | Chondrichthyes | ||||||
|---|---|---|---|---|---|---|---|
| Host Order | Rhinopristiformes | ||||||
| Host Family | Rhinobatidae | ||||||
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Type Host (Literal) |
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Type Host (Valid) |
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| Additional Host(s) | |||||||
| Site in Host | spiral intestine | ||||||
| Host Notes |
Type Locality
| Country | México |
|---|---|
| Body of Water | |
| Island(s) | |
| City/Region | Bahia de Los Angeles, Baja California |
| Coordinates | |
| DD Latitude | 28° 55'N |
| DD Longitude | 113° 32'W |
| Additional Localities | Santa Rosalia, Baja California Sur, Mexico (27° 19'N, 112° 17'W). |
| Locality Notes |
Specimens
| Type Material | Holotype: CNHE no. 3920. Paratypes: CNHE nos. 3921–3922, USNPC nos. 090149.00, 090150.00, HWML no. 15491, LRP nos. 2000–2021 |
|---|---|
| Total Number of Type Specimens | based on 32 mature worms |
| Voucher Material | |
| Specimen Notes |
Data are given as in original description unless otherwise indicated.
FIGURES 21–30. Echinobothrium rayallemangi n. sp. 21. Whole worm. 22. Scolex. 23. Detail of 1 dorsoventral group of apical hooks. 24.
Detail of 1 group of lateral hooklets. 25. Detail of cephalic peduncle spine. 26. Mature segment. 27. Cross section through segment at level indicated by arrow at 27 in Figure 26. 28. Cross section through segment at level indicated by arrow at 28 in Figure 26. 29. Lateral view of
terminal genitalia. 30. Eggs. AH, apical hook; C, cirrus; CP, cephalic peduncle; GP, genital pore; LH, lateral hooklets; MG, Mehlis’ gland; OD, oviduct; OV, ovar y; SP, scolex proper; T, testis; UD, uterine duct; UT, uterus; VD, vas deferens; VF, vitelline follicle; VG, vagina. 
FIGURE 46. Summar y of distributions of various microtrich forms on scolex of Echinobothrium rayallemangi n. sp. All microtriches are drawn to same scale. 
FIGURES 31– 45. Scanning electron micrographs of Echinobothrium rayallemangi n. sp. 31. Scolex proper. 32. Apex of scolex. 33. Dorsal region of scolex anterior to apical hooks. 34. Lateral portion of scolex, anterior to lateral hooklets. 35. Anterior proximal bothrial surface. 36. Proximal bothrial surface, halfway along length, showing cilium (arrow). 37. Posterior proximal bothrial surface. 38. Anterior distal bothrial
surface. 39. Distal bothrial surface, halfway along length. 40. Posterior edge of bothrium, showing microtriches on both proximal and distal surface. 41. Medial distal bothrial surface. 42. Anterior lateral portion of scolex proper. 43. Posterior lateral portion of scolex proper. 44. Neck. 45. Strobila. Scale bar in Figure 31, 40 um. Scale bars in Figures 32–39, 41– 45, 1 um. Scale bar in Figure 40, 5 um. 
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