Cestode Scientific Name
| Species ID | 14528 |
|---|---|
| Order | Rhinebothriidea |
| Family | Echeneibothriidae |
| Subfamily | |
| Genus | Echeneibothrium |
| Species | cristinae |
| Authority | Franzese, Mutti, Tropea & Ivanov, 2022 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | |
| Genus Record | No |
| Type Species | |
| Verified | No |
| Verified By | |
| Citation(s) |
Franzese, S., L. D. Mutti, C. Tropea, and V. A. Ivanov. 2022. Morphological study of members of the genus Echeneibothrium (Cestoda: Rhinebothriidea: Echeneibothriidae) from rajiform skates of the Argentine Sea and analysis of the phylogenetic relationships within the family Echeneibothriidae. Zoologischer Anzeiger 299: 1-20. (7463) Download PDF |
| Redescription | |
| Scientific Name Notes |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 08/15/2022 | Created | B. Barbeau |
| 08/15/2022 | Modified | B. Barbeau |
| 07/21/2023 | Modified | K. Jensen |
| 10/30/2024 | Modified | V. Bueno |
Type Host
| Host Class | Elasmobranchii | ||||||
|---|---|---|---|---|---|---|---|
| Host Order | Rajiformes | ||||||
| Host Family | Arhynchobatidae | ||||||
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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 | Argentina |
|---|---|
| Body of Water | |
| Island(s) | Isla de los Estados |
| City/Region | Tierra del Fuego |
| Coordinates | 54° 25'S, 65° 18'W |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | |
| Locality Notes |
Specimens
| Type Material | Holotype MACN-Pa No. 734 (whole mature worm), 28 paratypes MACN-Pa No. 735/1–5, 736/1–23 (25 whole mature worms, and histological sections of 1 mature proglottid and 2 scoleces). |
|---|---|
| Total Number of Type Specimens | 37 |
| Voucher Material | |
| Specimen Notes |
Data are given as in original description unless otherwise indicated.
Global Cestode Database
Fig. 2. Line drawings of Echeneibothrium cristinae sp. nov. from Bathyraja cousseauae. (A) Whole mature worm (holotype MACN-Pa No. 734). (B) Terminal mature proglottid (paratype MACN-Pa No. 736/4). (C) Scolex (holotype MACN-Pa No. 734). (D) Detail of terminal genitalia in a terminal mature proglottid (paratype MACNPa No. 736/4). Abbreviations: amsp, apical modification of scolex proper; ao, apical organ; cs, cirrus sac; dod, dorsal osmorregulatory duct; ov, ovary; sr, seminal receptacle; t, testes; ut, uterus; vd, vas deferens; vf, vitelline follicle; vg, vagina.
Fig. 4. Cross sections of terminal mature proglottid of Echeneibothrium cristinae sp. nov. from Bathyraja cousseauae (paratype MACN-Pa No. 736/21). (A) Cross section at the level of testes. (B) Cross section at the level of cirrus sac. (C) Cross section at the level of seminal receptacle. (D) Cross section at the level of ovarian isthmus.
Abbreviations: cs, cirrus sac; dod, dorsal osmorregulatory duct; ov, ovary; sr, seminal receptacle; t, testes; ut, uterus; vd, vas deferens; vf, vitelline follicle; vg, vagina; vod, ventral osmoregulatory duct.
Fig. 1. [left] Light micrographs of whole mature worms of Echeneibothrium spp. from the Argentine Sea. (A) Echeneibothrium cristinae sp. nov. from Bathyraja cousseauae
(holotype MACN-Pa No. 734). Fig. 5. [center and right] Septal musculature of bothridium of Echeneibothrium spp. (A) Longitudinal section of bothridium of Echeneibothrium cristinae sp. nov. from Bathyraja cousseauae
(paratype MACN-Pa No. 736/22). (B) Transverse section of bothridium of Echeneibothrium cristinae sp. nov. from Bathyraja cousseauae (paratype MACN-Pa No.
736/23).


