Cestode Scientific Name
| Species ID | 1957 |
|---|---|
| Order | Lecanicephalidea |
| Family | Aberrapecidae |
| Subfamily | |
| Genus | Aberrapex |
| Species | arrhynchum |
| Authority | (Brooks, Mayes & Thorson, 1981) Jensen, 2001 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | Discobothrium arrhynchum Brooks, Mayes & Thorson, 1981 |
| Genus Record | No |
| Type Species | No |
| Verified | Yes |
| Verified By | |
| Citation(s) |
Brooks, D. R., M. A. Mayes and T. B. Thorson. 1981. Cestode parasites in Myliobatis goodei Garman (Myliobatiformes: Myliobatidae) from Rķo de la Plata, Uruguay, with a summary of cestodes collected from South American elasmobranchs during 1975-1979. Proceedings of the Biological Society of Washington 93: 1239-1252. (74) Download PDFJensen, K. 2001. Four new genera and five new species of lecanicephalideans (Cestoda: Lecanicephalidea) from elasmobranchs in the Gulf of California, Mexico. Journal of Parasitology 87: 845-861. (3865) Download PDF |
| Redescription | |
| Scientific Name Notes |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 09/18/2006 | Created | K. Jensen , R. Guyer, R. Tracy |
| 08/20/2014 | Modified | |
| 07/30/2015 | Modified | K. Jensen |
| 06/09/2016 | Modified | K. Jensen |
| 11/19/2018 | Modified | R. Kuchta |
| 11/24/2021 | Modified | B. Barbeau |
| 01/07/2022 | Modified | B. Barbeau |
Type Host
| Host Class | |||||||
|---|---|---|---|---|---|---|---|
| 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 |
Type Locality
| Country | Uruguay |
|---|---|
| Body of Water | Rio de la Plata Estuary |
| Island(s) | |
| City/Region | near Montevideo |
| Coordinates | |
| DD Latitude | [not given] |
| DD Longitude | |
| Additional Localities | |
| Locality Notes |
Specimens
| Type Material | USNPC No. 75722 (holotype) USNPC No. 75723 HWML No. 21003 |
|---|---|
| Total Number of Type Specimens | 30 specimens |
| Voucher Material | |
| Specimen Notes |
Data are given as in original description unless otherwise indicated.
Global Cestode Database
FIGURES 1 & 2. Discobothrium arrhynchum n. sp. 1. Scolex. 2. Mature proglottid.
From Jensen, 2001 (Cit# 3865). FIGURES 78. Aberrapex arrhynchum n. comb. 7. Whole worm (paratype, HWML 21003). 8. Mature proglottid of paratype (HWML 21003). Abbreviations: U, uterus; UD, uterine duct; VA, vagina; VD, vas deferens.
From Jensen, 2001 (Cit# 3865). FIGURES 1419. Scanning electron micrographs of paratype of Aberrapex arrhynchum n. comb. (HWML 21003).
14. Scolex. 15. Enlarged view of microtriches on distal acetabular surface. 16. Enlarged view of microtriches on proximal acetabular surface. 17. Enlarged view of microtriches on posterior third of distal acetabular surface; note absence of bladelike spiniform microtriches from this region. 18. Enlarged view of microtriches on surface of scolex proper at apex of scolex. 19. Microtriches on proglottid and posterior margin of proglottid. Scale bar in
Figures 9 and 14, 50 µm; scale bar in Figures 1013 and 1519, 1 µm
From Jensen, 2001 (Cit# 3865).
USNPC No. 75723, paratype slide
USNPC No. 75723, scolex of paratype
USNPC No. 75723, segment of paratype 

