Global Cestode DatabaseCestode Scientific Name
| Species ID | 14354 |
|---|---|
| Order | Tetraphyllidea |
| Family | Rhoptrobothriidae |
| Subfamily | |
| Genus | Myzophyllobothrium |
| Species | nagasawai |
| Authority | Jensen, Pen & Caira, 2021 |
| Taxonomic Status | Valid |
| Valid Name | |
| Synonyms | |
| Genus Record | No |
| Type Species | No |
| Verified | No |
| Verified By | |
| Citation(s) |
Jensen, K., I. A. M. Pen, and J. N. Caira. 2021. A revision of the Rhoptrobothriidae (Cestoda: "Tetraphyllidea"). Zootaxa 4999(3): 201-218. (7364) Download PDF |
| Redescription | |
| Scientific Name Notes | urn:lsid:zoobank.org:act:930A6E47-571D-411F-9377-2DD6E8351AE1 |
Record Data
| Date (MM/DD/YYYY) | Action | User Name |
|---|---|---|
| 07/19/2021 | Created | B. Barbeau |
| 07/19/2021 | Modified | B. Barbeau |
| 07/20/2021 | Modified | B. Barbeau |
Type Host
| Host Class | |||||||
|---|---|---|---|---|---|---|---|
| Host Order | Myliobatiformes | ||||||
| Host Family | Aetobatidae | ||||||
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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 | Japan |
|---|---|
| Body of Water | Seto Inland Sea |
| Island(s) | |
| City/Region | |
| Coordinates | |
| DD Latitude | |
| DD Longitude | |
| Additional Localities | |
| Locality Notes |
Specimens
| Type Material | Holotype (complete mature worm; MPM no. 21757) and four paratypes (one incomplete mature worm, one detached pre-gravid proglottid, and one detached gravid proglottid [MPM no. 21758], and one egg preparation [MPM no. 21759]); six paratypes (three complete mature worms [USNM nos. 1655910–1655912], two detached gravid proglottids [USNM nos. 1655913 and 1655914], and one proglottid cross-section series [USNM no. 1655915]); five paratypes (two complete mature worms [LRP nos. 10351 and 10352], two detached gravid proglottids [LRP nos. 10353 and 10354], and one proglottid cross-section series [LRP nos. 10355–10358]) and two SEM strobilar vouchers (LRP nos. 10359 and 10360); two scolices and one gravid proglottid examined with SEM retained with KJ at the University of Kansas. |
|---|---|
| Total Number of Type Specimens | Based on six complete mature worms, one incomplete mature worm, one detached pre-gravid proglottid, five detached gravid proglottids, two cross-section series of mature proglottids, two scolices and one detached gravid proglottid examined with SEM, and one egg preparation |
| Voucher Material | |
| Specimen Notes |
Data are given as in original description unless otherwise indicated.
FIGURE 2. Line drawings of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (D–F). D. Scolex (USNM no. 1655912, paratype) of M. nagasawai. E. Whole worm (MPM no. 21757, holotype) of M. nagasawai. F. Terminal mature proglottid (USNM no. 1655911, paratype) of M. nagasawai. 
FIGURE 6. Photomicrographs of histological sections of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan. A. Cross section through detached gravid proglottid between cirrus sac and ovary. B. Cross section through mature proglottid at level of ovarian bridge. C. Eggs. Abbreviations: O, ovary; T, testes; U, uterus; UD, uterine duct; V, vitelline follicles; VA, vagina; VE, ventral excretory vessel. 
FIGURE 5. Scanning electron micrographs of Myzophyllobothrium nagasawai n. sp. from Aetobatus narutobiei from Japan (A–M) and of Myzophyllobothrium cf. nagasawai from Aetobatus narutobiei from Viet Nam (N). A. Scolex of M. nagasawai; small letters indicate locations of details in C–J; arrowhead points to primary areola. B. Surface of scolex proper of M. nagasawai. C. Distal surface of anterior loculus of M. nagasawai. D. Distal surface of posterior loculus of M. nagasawai. E. Proximal surface posterior loculus of M. nagasawai. F. Distal surface of remus of M. nagasawai. G. Proximal surface of remus of M. nagasawai. H. Proximal surface of primary areola of M. nagasawai. I. Rim of remus of M. nagasawai. J. Strobilar surface of
M. nagasawai. K. Base of everted cirrus of M. nagasawai. L. Tip of everted cirrus of M. nagasawai. M. Eggs of M. nagasawai.
N. Scolex of M. cf. nagasawai; arrowheads point to primary areolae. Best viewed in Firefox
