Cestode Scientific Name
| Species ID | 12857 |
|---|---|
| Order | Diphyllidea |
| Family | |
| Subfamily | |
| Genus | Halysioncum |
| Species | arafurense |
| Authority | Ivanov & Caira, 2013 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | V. Ivanov, R. Kuchta |
| Citation(s) |
Ivanov, V. A. and J. N. Caira. 2013. New species of Halysioncum Caira, Marques, Jensen, Kuchta et Ivanov, 2013 (Cestoda: Diphyllidea) from Indo-Pacific stingrays of the genus Aetomylaeus Garman (Myliobatiformes: Myliobatidae). Folia Parasitologica 60(4): 321-330. (6212) Download PDF |
| Redescription | |
| Scientific Name Notes |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 06/23/2014 | Created | V. Lopez |
| 08/20/2014 | Modified | |
| 08/16/2015 | Modified | K. Jensen |
| 03/23/2016 | Modified | B. Barbeau |
| 06/17/2016 | Modified | B. Barbeau |
| 08/22/2016 | Modified | R. Kuchta |
| 08/23/2016 | Modified | R. Kuchta |
| 12/21/2021 | Modified | B. Barbeau |
Type Host
| Host Class | Chondrichthyes | ||||||
|---|---|---|---|---|---|---|---|
| Host Order | Myliobatiformes | ||||||
| Host Family | Myliobatida | ||||||
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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 | Banded eagle ray |
Type Locality
| Country | Australia |
|---|---|
| Body of Water | Pacific Ocean, Arafura Sea |
| Island(s) | Wessel Islands |
| City/Region | Northern Territory |
| Coordinates | |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | |
| Locality Notes | East of Wessel Islands |
Specimens
| Type Material | QM No. G234249 (holotype) QM Nos. G234250-G234251 (2 paratypes) LRP Nos. 8055-8058 (4 paratypes) USNPC No. 106955 (paratypes) IPCAS No. C-637 (2 paratypes) |
|---|---|
| Total Number of Type Specimens | |
| Voucher Material | LRP No. 8056 |
| Specimen Notes | specimens examined with SEM retained in the collection of the senior author, voucher of one specimen examined with SEM deposited in LRP (8056) |
Data are given as in original description unless otherwise indicated.
Global Cestode Database
Figs. 18-24. Halysioncum arafurense sp. n. Fig. 18. Entire worm (holotype, QM G234249). Fig. 19. Scolex, dorsoventral view
(paratype, QM G234250). Fig. 20. Detail of spines on the cephalic peduncle (paratype, QM G234250). Fig. 21. Apical armature,
dorsoventral view (paratype, LRP 8058). Fig. 22. Continuous row of lateral hooklets, arrows indicate proximal protuberance on
hooklets (paratype USNPC 106955). Fig. 23. Detail of terminal genitalia in lateral view (paratype, USNPC 106955). Fig. 24. Mature
proglottid in ventral view (paratype, LRP 8058). Abbreviations: isv- internal seminal vescicle; mg- Mehlis' gland; ov _ovary;
sr- seminal receptacle; ut- uterus; vf, vitelline follicle; vg- vagina ; 1-12 -type A hooks; 1 '-11'- type B hooks.
Figs. 25-37. Halysioncum arafurense sp. n., scanning electron micrographs. Fig. 25. General view of scolex, dorsoventral view.
Small number indicates location of details shown in Fig. 36. Fig. 26. Scolex, dorsoventral view. Small numbers indicate locations of
details shown in Figs. 28-34. Fig. 27. Detail of continuous row of lateral hooklets. Fig. 28. Surface of apex of scolex. Fig. 29. Border
between central and lateral regions of distal bothrial surface. Fig. 30. Central region of distal bothrial surface. Fig. 31. Lateral
and posterior region of distal bothrial surface. Fig. 32. Border between distal and proximal bothrial surface, anterior region.
Fig. 33. Proximal bothrial surface, anterior region. Fig. 34. Proximal bothrial surface, posterior region. Fig. 35. Surface of scolex
proper. Fig. 36. Surface of cephalic peduncle. Fig. 37. Surface of immature proglottid. Scale bars: Fig. 25 =50 µm; Fig. 26 = 25 µm;
Fig. 27 = 10 µm; Figs. 28,32-37 =2µm; Figs. 29-31 = 1 µm 

