Global Cestode DatabaseCestode Scientific Name
| Species ID | 14041 |
|---|---|
| Order | Onchoproteocephalidea II |
| Family | |
| Subfamily | |
| Genus | Acanthobothrium |
| Species | stefaniae |
| Authority | Franzese & Ivanov, 2018 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | |
| Citation(s) |
Franzese, F. and V. A. Ivanov. 2018. Hyperapolytic species of Acanthobothrium (Cestoda: Onchoproteocephalidae) from batoids off Argentina. Parasitology International 67: 431–443. (7126) Download PDF |
| Redescription | |
| Scientific Name Notes |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 06/11/2019 | Created | K. Herzog |
| 06/11/2019 | Modified | K. Herzog |
Type Host
| Host Class | Elasmobranchii | ||||||
|---|---|---|---|---|---|---|---|
| Host Order | Torpediniformes | ||||||
| Host Family | Narcinidae | ||||||
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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 | PD5-005 |
Type Locality
| Country | Argentina |
|---|---|
| Body of Water | Atlantic Ocean |
| Island(s) | |
| City/Region | Buenos Aires Province, Mar Chiquita City |
| Coordinates | 37°46′S, 56°56′W |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | |
| Locality Notes | Coastal waters off Villa Gesell (37°29′S, 56°45′W) (PD5-021), off San Clemente del Tuyú (35°50′S, 56°18′W) (PD5-112) and off Camarones (45°08′S, 65°19′W) (PD7-267) |
Specimens
| Type Material | holotype (MACN-Pa 624); 19 paratypes (19 paratypes MACN-Pa 625/1–6, 626/1–3, 627/1, 628/1–2); 12 paratypes (IPCAS C-786); 13 paratypes (LRP 9403–9410) |
|---|---|
| Total Number of Type Specimens | 45 |
| Voucher Material | |
| Specimen Notes | MACN-Pa paratypes: 8 entire worms, 7 detached mature proglottids, 3 detached gravid proglottids and histological sections of 1 detached mature proglottid; IPCAS paratypes: 5 entire worms, 4 detached mature proglottids and 3 detached gravid proglottids; LRP paratypes: 5 entire worms, 4 detached mature proglottids and 4 detached gravid proglottids |
Data are given as in original description unless otherwise indicated.
Fig. 1. Acanthobothrium stefaniae sp. n. from Discopyge tschudii Heckel. A – entire worm (paratype IPCAS No. C-786); B – detail of hooks (paratype MACN-Pa No. 625/ 4); C – scolex (paratype IPCAS No. C-786); D – detached mature proglottid (paratype MACN-Pa No. 627/1); E – detail of ootype region of a detached mature proglottid (paratype LRP No. 9408); F – egg. Abbreviations: mg – Mehlis' gland; ov – ovary; t – testes; ut – uterus; vf – vitelline follicle; vg – vagina. 
Fig. 3. Acanthobothrium stefaniae sp. n. from Discopyge tschudii Heckel, crosssections of a detached mature proglottids (paratype MACN-Pa No. 628/2). A – cross section at level of the testes anterior to cirrus sac; B – cross section at level of the genital pore; C – cross section at level of the cirrus sac; D – cross section at level of the ovarian isthmus. Abbreviations: cs – cirrus sac; mg – Mehlis' gland; ov – ovary; t – testes; ut – uterus; vd – vas deferens; vf – vitelline follicle; vg – vagina. 
Fig. 2. Acanthobothrium stefaniae sp. n. from Discopyge tschudii Heckel, scanning electron micrographs. A – scolex, small letters indicate locations of details shown in Fig. 2B, E, F, H, I; B – bothridial muscular pad, small letters indicate locations of details shown in Fig. 2C, D; C – detail of distal surface of muscular pad and accessory sucker (arrows indicate cilia); D – surface of apex of the scolex (arrows indicate cilia); E – distal bothridial surface in the anterior loculus (arrow indicates cilium); F – distal bothridial surface in the posterior loculus; G – surface of the anterior third of a detached mature proglottid (inset shows a detail of the microtriches); H – surface of the cephalic peduncle; I – proximal bothridial surface. Best viewed in Firefox
