Cestode Scientific Name
| Species ID | 1900 |
|---|---|
| Order | Lecanicephalidea |
| Family | Tetragonocephalidae |
| Subfamily | |
| Genus | Tylocephalum |
| Species | trygonis |
| Authority | (Shipley & Hornell, 1905) Shipley & Hornell, 1906 |
| Taxonomic Status | Synonym |
| Valid Name | Tetragonocephalum trygonis Shipley & Hornell, 1905 |
| Synonyms | |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | |
| Citation(s) |
Shipley, A. E. and J. Hornell. 1905. Further report on parasites found in connection with the pearl oyster fishery at Ceylon. Report to the Government of Ceylon on the Pearl Oyster Fisheries of the Gulf of Manaar (Herdman), Part 3 : 49-56. (430) Download PDFShipley, A. E. and J. Hornell. 1906. Report on the cestode and nematode parasites from the marine fishes of Ceylon. Report to the Government of Ceylon on the Pearl Oyster Fisheries of the Gulf of Manaar (Herdman), Part 5 5: 43-96. (431) Download PDF |
| Redescription | |
| Scientific Name Notes |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 09/09/2006 | Created | K. Jensen , R. Tracy |
| 02/18/2010 | Modified | |
| 07/29/2015 | Modified | K. Jensen |
| 08/07/2015 | Modified | K. Jensen |
| 01/08/2016 | Modified | K. Jensen |
| 06/09/2016 | Modified | K. Jensen |
Type Host
| Host Class | |||||||
|---|---|---|---|---|---|---|---|
| Host Order | Myliobatiformes | ||||||
| Host Family | Dasyatidae | ||||||
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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 | Ceylon [Sri Lanka] |
|---|---|
| Body of Water | |
| Island(s) | |
| City/Region | |
| Coordinates | |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | |
| Locality Notes |
Specimens
| Type Material | [not given] |
|---|---|
| Total Number of Type Specimens | a number |
| Voucher Material | |
| Specimen Notes |
Data are given as in original description unless otherwise indicated.
Global Cestode Database
FIGURES 3-8. Tetragonocephalum trygonis n. sp. 3. Whole worm. 4. Another head of the same, showing different dimension. 5. Some mature proglottides of the same more highly magnified, showing the dumb-bell-shaped uterus. 6. Transverse section through the same, showing the penis, the genital recess, and the narrow part of the uterus. 7. Another transverse section, showing the opening of the genital recess to the exterior. 8. A third transverse section nearer the end of a proglottis, showing the uterus taking up almost all the space.


