Cestode Scientific Name
| Species ID | 14237 |
|---|---|
| Order | Phyllobothriidea |
| Family | |
| Subfamily | |
| Genus | Ruhnkebothrium |
| Species | bajaense |
| Authority | Caira, Bueno & Jensen, 2021 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | |
| Citation(s) |
Caira, J. N., V. Bueno, and K. Jensen. 2021. Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii). Zoological Journal of the Linnean Society : 1-29. (7240) Download PDF |
| Redescription | |
| Scientific Name Notes | ZooBank registration: B2A2E247-2A00-4599-AA76- ABA973D3349E |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 03/01/2021 | Created | B. Barbeau |
| 03/01/2021 | Modified | B. Barbeau |
| 03/08/2021 | Modified | B. Barbeau |
| 03/12/2021 | Modified | B. Barbeau |
| 11/14/2025 | Modified | J. Caira |
Type Host
| Host Class | |||||||
|---|---|---|---|---|---|---|---|
| Host Order | Carcharhiniformes | ||||||
| Host Family | Sphyrnidae | ||||||
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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 host is Sphyrna lewini 2 of the scalloped hammerhead complex (sensu Naylor et al., 2012) |
Type Locality
| Country | México |
|---|---|
| Body of Water | Gulf of California |
| Island(s) | |
| City/Region | Baja California Sur |
| Coordinates | 23°02'45N, 109°41'33W |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | Gulf of California off Loreto, Baja California Sur, Mexico (25°49′52″N, 111°19′38″W) |
| Locality Notes | Type locality off San Jose del Cabo |
Specimens
| Type Material | CNHE no. 10662 (Holotype, mature worm); one paratype (partial mature worm hologenophore, LRP no. 10278), two paratypes (immature worm SEM vouchers, LRP nos 10276 and 10277) |
|---|---|
| Total Number of Type Specimens | 4 |
| Voucher Material | |
| Specimen Notes | Sequence data: GenBank accession MW419962 (BJ- 323; JW504), hologenophore LRP no. 10278 |
Data are given as in original description unless otherwise indicated.
Global Cestode Database
Figure 2. Line drawings of adults of Ruhnkebothrium (specimen accession numbers in parentheses). D, scolex of Ruhnkebothrium bajaense (CNHE no. 10662). E, mature proglottid of Ru. bajaense (CNHE no. 10662).
Figure 4. Scanning electron micrographs of Ruhnkebothrium bajaense. A, scolex. B, detail of anterior loculi. C, distal surface of rim of posterior loculus. D, distal surface of anterior loculus. E, distal surface of anterior-most region of posterior
loculus adjacent to anterior loculus. F, distal surface of posterior loculus as it expands. G, distal surface of expanded region of posterior loculus. H, proximal surface of posterior loculus. I, scutes on surface of neck. 

