Global Cestode DatabaseCestode Scientific Name
| Species ID | 14230 |
|---|---|
| Order | Lecanicephalidea |
| Family | |
| Subfamily | |
| Genus | Tetragonocephalum |
| Species | georgei |
| Authority | Jensen & Guyer, 2021 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | |
| Citation(s) |
Jensen, K. and R. Guyer. 2021. First report of Lecanicephalidean tapeworms (Eucestoda) from freshwater, including description of three new species of Tetragonocephalum Shipley and Hornell, 1905. Journal of Parasitology 107(1): 1-15. (7230) Download PDF |
| Redescription | |
| Scientific Name Notes | ZooBank registration: urn:lsid:zoobank.org:act:A2BBEF3A- 4AC4-4131-AB17-59CBE7EB6EA4 |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 01/20/2021 | Created | B. Barbeau |
| 01/20/2021 | Modified | B. Barbeau |
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 | Host specimen no. BO-108 |
Type Locality
| Country | Malaysia |
|---|---|
| Body of Water | Kinabatangan River |
| Island(s) | |
| City/Region | Kampung Abai, Sabah |
| Coordinates | 5° 41' 10.81N, 118° 23' 8.35E |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | |
| Locality Notes |
Specimens
| Type Material | MZUM[P] 2020.1 (holotype); MZUM[P] 2020.2–4 [P] (paratypes); USNM 1620830–1620834 (paratypes); LRP 10261–10267 (paratypes) |
|---|---|
| Total Number of Type Specimens | 16 |
| Voucher Material | scoleces prepared for SEM retained in the personal collection of KJ at the University of Kansas |
| Specimen Notes |
Data are given as in original description unless otherwise indicated.
Figure 1. Line drawings of Tetragonocephalum georgei n. sp. (A–C). (A) Whole worm (holotype,
MZUM[P] 2020.1 [H]). (B) Scolex (paratype, USNM 1620831). (C) Mature proglottid (paratype, USMN 1620830); vitelline ducts connecting vitelline
fields anterior and posterior to cirrus sac drawn as thick, solid black lines; arrows indicate level at which sections in Fig. 3 were taken. 
Figure 3. Photomicrographs of cross sections of a mature proglottid
of Tetragonocephalum georgei n. sp. (paratype, USNM 1620834). (A) At
level anterior to cirrus sac. (B) At level of ovary anterior to ovicapt. Abbreviations: OV, ovary; T, testis; UT, uterus; VA, vagina; VF, vitelline
follicle. 
Figure 2. Scanning electron micrographs of Tetragonocephalum georgei n. sp. (A) Scolex; small letters indicate location of details shown in B–D, and F. (B) Surface of apical organ. (C) Surface of posterior region of apical organ. (D) Surface of scolex proper at level of acetabula (E) Surface of acetabula. (F) Surface of strobila. Best viewed in Firefox
