Global Cestode DatabaseCestode Scientific Name
| Species ID | 5627 |
|---|---|
| Order | Lecanicephalidea |
| Family | Polypocephalidae |
| Subfamily | |
| Genus | Hornellobothrium |
| Species | extensivum |
| Authority | Jensen, 2005 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | |
| Citation(s) |
Jensen, K. 2005. Tapeworms of Elasmobranchs (Part I). A monograph on the Lecanicephalidea (Platyhelminthes, Cestoda). Bulletin of the University of Nebraska State Museum 18: 1-241. (4502) Download PDF |
| Redescription | |
| Scientific Name Notes |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 08/31/2009 | Created | K. Koch, V. Lopez |
| 07/25/2014 | Modified | |
| 01/09/2016 | Modified | K. Jensen |
| 01/12/2016 | Modified | K. Jensen |
| 06/09/2016 | Modified | K. Jensen |
| 08/07/2017 | Modified | K. Jensen |
Type Host
| Host Class | Elasmobranchii | ||||||
|---|---|---|---|---|---|---|---|
| Host Order | Myliobatiformes | ||||||
| Host Family | Myliobatidae | ||||||
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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 | host specimen identification sensu Naylor et al. (2012) |
Type Locality
| Country | Australia |
|---|---|
| Body of Water | |
| Island(s) | |
| City/Region | Darwin, Northern Territory |
| Coordinates | |
| DD Latitude | -12.333 |
| DD Longitude | 130.9 |
| Additional Localities | |
| Locality Notes |
Specimens
| Type Material | Holotype (QM No. G222902); 5 paratypes (QM Nos. G222903-222907); 5 paratypes (USNPC No. 94577); 3 paratypes (KUNHM Nos. 002107-002109); 10 paratypes (LRP Nos. 3279-3288) |
|---|---|
| Total Number of Type Specimens | 20 whole mounts, 2 specimen cross-section series, 2 specimen longitudinal section series, and 4 specimens prepared for SEM |
| Voucher Material | |
| Specimen Notes |
Data are given as in original description unless otherwise indicated.
Fig. 33. A-F. Line drawings of Hornellobothrium extensivum Jensen, n. sp. A. Whole worm (holotype, QM No. G 222902). B. Scolex (USNPC No. 94577). C. Mature terminal proglottid (QM No. G 222906). D. Cross-section through mature proglottid at level of ovarian bridge (QM No. G 222907). E. Cross-section through mature proglottid between ovary and cirrus sac (QM No. G 222907). F. Terminal genitalia (USNPC No. 94577). 
Fig. 34. A-H. Scanning electron micrographs of Hornellobothrium extensivum Jensen, n. sp. A. Scolex. B. Anterior strobila of laterally expanded, non-reproductive proglottids. C. Microtriches on surface of scolex proper. D. Microtriches on distal acetabular surface. E. Microtriches on proximal acetabular surface. F. Microtriches on scolex proper posterior to acetabula. G. Microtriches on laterally expanded, non-reproductive proglottids; note larger microtriches on posterior margin. H. Microtriches on reproductive proglottids. Scale bars: A, 25 µm; B, 50 µm; C-H, 1 µm. 
QM No. G222902, holotype slide 
QM No. G222902, scolex of holotype 
QM No. G222902, terminal proglottid of holotype 
QM No. G222906, paratype slide Best viewed in Firefox
