Global Cestode DatabaseCestode Scientific Name
| Species ID | 3237 |
|---|---|
| Order | Phyllobothriidea |
| Family | Phyllobothriidae |
| Subfamily | |
| Genus | Paraorygmatobothrium |
| Species | prionacis |
| Authority | (Yamaguti, 1934) Ruhnke, 1994 |
| Taxonomic Status | Synonym |
| Valid Name | Scyphophyllidium prionacis (Yamaguti, 1934) Caira, Jensen & Ruhnke, 2020 |
| Synonyms | Phyllobothrium prionacis Yamaguti, 1934; Crossobothrium prionacis (Yamaguti, 1934) Williams, 1968 |
| Genus Record | No |
| Type Species | Yes |
| Verified | No |
| Verified By | |
| Citation(s) |
Yamaguti, S. 1934. Studies on the helminth fauna of Japan. Part 4. Cestodes of fishes. Japanese Journal of Zoology 6: 1-112. (510) Download PDFRuhnke, T. R. 1994. Paraorygmatobothrium barberi n. g., n. sp. (Cestoda: Tetraphyllidea), with amended descriptions of two species transferred to the genus. Systematic Parasitology 28: 65-79. (390) Download PDF |
| Redescription | |
| Scientific Name Notes |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 09/09/2006 | Created | T.R. Ruhnke and J.N. Caira |
| 06/30/2014 | Modified | |
| 06/06/2015 | Modified | J. Caira |
| 06/08/2015 | Modified | J. Caira |
| 03/02/2020 | Modified | B. Barbeau |
| 07/15/2020 | Modified | B. Barbeau |
Type Host
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| Host Notes |
Type Locality
| Country | Japan |
|---|---|
| Body of Water | Pacific coast |
| Island(s) | |
| City/Region | |
| Coordinates | |
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Specimens
| Type Material | type and paratypes in Yamaguti’s collection |
|---|---|
| Total Number of Type Specimens | |
| Voucher Material | |
| Specimen Notes |
Data are given as in original description unless otherwise indicated.
FIGURES 84 & 85. Phyllobothrium prionacis n. sp. 84. Scolex. 85. Mature segments; ventral view. Type 0.09-1.1 x 0.35-0.36 mm. Abbreviations: C.p., cirrus pouch; G.p., genital pore; Ov., ovary; Sh.gl., shell gland; Test., testis; Vag., vagina; Vit., vitellaria. 
From Ruhnke, 1994 (Cit# 390). Figs. 1-5. Line drawings of Paraorygmatobothrium prionacis n. comb. 1. Scolex of voucher (USNM no. 82939). 2. Mature segment of voucher (USNM no. 82938). 3. Cross-section through segment posterior to cirrus-sac and anterior to ovary of voucher (HWML no. 36773). 4. Cross-section through segment at ovary of voucher (HWML no. 36772). 5. Egg. Abbreviations: DE, dorsal excretory duct; NC, nerve-chord; NS, neck scutes; O, ovary; T, testes; U, uterus; UD, uterine duct; V, vitelline follicle; VA, vagina; VE, ventral excretory duct 
From Ruhnke, 1994 (Cit# 390). Figs 6-12. Scanning electron micrographs of Paraorygmatobothrium prionacis, n. comb. 6. Scolex (numbers indicate regions of scolex illustrated in enlarged photos in Figs 7-10). 7. Apical region of scolex. 8. Proximal bothridial surface. 9. Distal bothridial surface. 10. Distal surface of apical sucker. 11. Neck posterior to scolex. 12. Enlarged view of surface of neck. Scale-bars: 6, 100 µm; 8, 2 µm; 11, 50 µm; 7, 9, 10, 12, 500 nm. 
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