Global Cestode DatabaseCestode Scientific Name
| Species ID | 4762 |
|---|---|
| Order | Trypanorhyncha |
| Family | Lacistorhynchidae |
| Subfamily | |
| Genus | Callitetrarhynchus |
| Species | speciosus |
| Authority | (Linton, 1897) Carvajal & Rego, 1985 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | Rhynchobothrium speciosum Linton, 1897 Tentacularia pseudodera Schuler, 1938 |
| Genus Record | No |
| Type Species | No |
| Verified | Yes |
| Verified By | I. Beveridge |
| Citation(s) |
Linton, E. 1897. Notes on larval cestode parasites of fishes. Proceedings of the United States National Museum 19: 787-824. (271) Download PDFCarvajal, J. and A.A. Rego. 1985. Critical studies on the genus Callitetrarhynchus (Cestoda: Trypanorhyncha) with recognition of Rhynchobothrium speciosum Linton, 1897 as a valid species of Callitetrarhynchus. Systematic Parasitology 7: 161-167. (6532) Download PDF |
| Redescription |
Carvajal, J. and A.A. Rego. 1985. Critical studies on the genus Callitetrarhynchus (Cestoda: Trypanorhyncha) with recognition of Rhynchobothrium speciosum Linton, 1897 as a valid species of Callitetrarhynchus. Systematic Parasitology 7: 161-167. (6532) Download PDF |
| Scientific Name Notes | Original description on page 801 of Linton (1897) (page 17 of PDF). |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 11/30/-0001 | Created | I. Beveridge |
| 05/13/2015 | Modified | |
| 05/26/2015 | Modified | I. Beveridge |
| 05/10/2016 | Modified | B. Barbeau |
| 06/01/2017 | Modified | K. Herzog |
| 07/27/2017 | Modified | K. Jensen |
Type Host
| Host Class | Actinopterygii | ||||||
|---|---|---|---|---|---|---|---|
| Host Order | Perciformes | ||||||
| Host Family | Pomatomidae | ||||||
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Type Host (Literal) |
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Type Host (Valid) |
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| Additional Host(s) | |||||||
| Site in Host | mesentery | ||||||
| Host Notes | see Palm (2004) |
Type Locality
| Country | U.S.A. |
|---|---|
| Body of Water | Atlantic Ocean |
| Island(s) | |
| City/Region | Woods Hole, Massachusetts |
| Coordinates | |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | |
| Locality Notes | Additional localities: Rio de Janeiro, Brazil (Carvajal & Rego, 1985) |
Specimens
| Type Material | USNPC 7708 (holotype) |
|---|---|
| Total Number of Type Specimens | |
| Voucher Material | |
| Specimen Notes | USNPC 77990 (voucher) (Brazil) (per Carvajal & Rego, 1985) |
Data are given as in original description unless otherwise indicated.
Plate IV. Rhynchobothrium speciosum, new species. 13. Embryo removed from cyst, peritoneium of Pomatomus saltatrix. Enlarged three times. a, bothrium. Enlarged six times. 14. Optical section of neck of living specimen from P. saltatrix. Enlarged eighteen times. c, cuticle; gl., granulo-fibrous layer; vl., vascular layer; lm., longitudinal muscles; Pm., parenchyma; sh., proboscis sheath; rm., retractor muscles of proboscides; Pr., retracted proboscis. 
Plate V. Rhynchobothrium speciosum, new species. 1. View of portion of proboscis near base. Specimen from P. saltatrix. Enlarged two hundred and twenty-five times. 2. Obverse side of proboscis from that shown in fig. 1, near apex. 3. Apex of proboscis partly retracted, optical section diagrammatic. Specimen from P. saltatrix. 4. Part of proboscis of embryo removed from cyst in Tylosurus caribbaeus. Enlarged two hundred and twenty-five times. 5. Obverse side of proboscis shown in fig. 4. 6. Group of hooks seen through walls of sheath, proboscides retracted; specimen from cyst in Cynoscion regalis, Enlarged two hundred and twenty-five times. 7. Plexus of vessels of water vascular system in edge of bothrium. Specimen from P. saltatrix. Enlarged one hundred and fifty times, life. 
Figs. 1-3. Callitetrarhynchus speciosus from Pomatomus saltatrix from Brazil. 1. Scolex showing distribution of cephalic glands; 2.
Metabasal tentacle armature showing external face, note the chainette at the centre; 3. Tentacle armature showing internal face. 
Figs. 7-9. SEM of Callitetrarhynchids from Pomatomus saltatrix from Brazil. 7. Scolex of Callitetrarhynchus gracilis, note the bothridial
groove near the border, l13x; 8. Scolex of Callitetrarhynchus speciosus 34x: 9. Marginal groove, weakly developed in Callitetrarhvnchus
speciosus; Figs. 10-12. SEM of Callitetrarhynchids from Pomatomus saltatrix from Brazil. 10. Metabasal armature of Calfitetrarhynchus gracilis
showing external face, note the 'chainette' and satellite hooks of different size. 1230x; 11. Metabasal armature of Callitetrarhynchus
,speciosus showing external face. Note the 'chainette' and satellite hooks of similar size. 822x; 12. Tentacle armature of Callitetrarhynchus
speciosus showing lateral face. 576x. Best viewed in Firefox
