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72 results for “Proteocephalidae”
FIGURES 10–12 in Towards a robust systematic baseline of Neotropical fish tapeworms (Cestoda: Proteocephalidae): amended diagnoses of two genera from the redtail catfish, Phractocephalus hemioliopterus
FIGURES 10–12. LINe DRAWINgS Of Ephedrocephalus microcephalus DIeSINg, 1850 fROM Phractocephalus hemioliopterus. 10. SCOLeX, DORSOVeNTRAL VIeW (MHNG-PLAT-22371) 11. SCOLeX, SAgITTAL SeCTION (MHNG-PLAT-28296). 12. GRAVID PROgLOTTID, VeNTRAL VIeW (MHNG-PLAT-22009). NOTe: THe TeSTeS ARe OMITTeD. Abbreviations: CC—CHROMOPHILIC CeLLS; DO—DORSAL OSMORegULATORY CANALS; gC—gLANDULAR CeLLS; LM—INTeRNAL LONgITUDINAL MUSCULATURe; Me—MeTASCOLeX; OC—OSMORegULATORY CANALS; VO—VeNTRAL OSMORegULATORY CANALS.
FIGURES 13–18 in Towards a robust systematic baseline of Neotropical fish tapeworms (Cestoda: Proteocephalidae): amended diagnoses of two genera from the redtail catfish, Phractocephalus hemioliopterus
FIGURES 13–18. LINe DRAWINgS Of Ephedrocephalus microcephalus DIeSINg, 1850 fROM Phractocephalus hemioliopterus. 13. PRegRAVID PROgLOTTID, DORSAL VIeW (MHNG-PLAT-22009). NOTe: ONLY THe LATeRALMOST VITeLLINe fOLLICLeS IN THe ANTIPORAL AND POSTPORAL SIDeS ARe RePReSeNTeD, bUT THeY OCCUPY THe eNTIRe VeNTRAL SURfACe. 14–16. CROSS-SeCTIONS AT LeVeL Of MIDDLe PART Of PROgLOTTID, CIRRUS-SAC AND OVARY, ReSPeCTIVeLY (MHNG-PLAT-21910). 17. TeRMINAL geNITALIA, DORSAL VIeW (MHNG-PLAT- 22009). 18. EggS IN DISTILLeD WATeR (MHNG-PLAT-21851). Abbreviations: CC—CHROMOPHILIC CeLLS; CI—CIRRUS; CS—CIRRUS-SAC; DO—DORSAL OSMORegULATORY CANAL; eD—ejACULATORY DUCT; eM—eMbRYOPHORe; gA—geNITAL ATRIUM; LM—INTeRNAL LONgITUDINAL MUSCULATURe; LN—LONgITUDINAL NeRVe; Mg—MeHLIS' gLAND; OD—OVIDUCT; ON—ONCOSPHeRe; OV—OVARY; ST—SUbTegUMeNTAL MUSCLe fIbeRS; SU—SUbTegUMeNTAL CeLLS; Te—TeSTeS; Tg—TegUMeNT; UT—UTeRUS; V—VACUOLe; VA—VAS DefeReNS; VC—VAgINAL CANAL; VI—VITeLLINe fOLLICLeS; VO—VeNTRAL OSMORegULATORY CANAL; VS—VAgINAL SPHINCTeR.
FIGURE 29 in Towards a robust systematic baseline of Neotropical fish tapeworms (Cestoda: Proteocephalidae): amended diagnoses of two genera from the redtail catfish, Phractocephalus hemioliopterus
FIGURE 29. LINe DRAWINg Of Zygobothrium megacephalum DIeSINg, 1850 fROM Phractocephalus hemioliopterus. SAgITTAL SeCTION Of THe SCOLeX, SHOWINg THe POWeRfUL CIRCULAR MUSCULATURe IN THe ANTeRIOR PART Of SUCKeRS, USeD AS A SPHINCTeR fOR THe HOLDfAST SYSTeM (MHNG-PLAT-21847). Abbreviations: CM—CIRCULAR MUSCULATURe; LM—INTeRNAL LONgITUDINAL MUSCULATURe; OC—OSMORegULATORY CANAL.
FIGURES 19–28 in Towards a robust systematic baseline of Neotropical fish tapeworms (Cestoda: Proteocephalidae): amended diagnoses of two genera from the redtail catfish, Phractocephalus hemioliopterus
FIGURES 19–28. SCANNINg eLeCTRON MICROgRAPHS Of Zygobothrium megacephalum DIeSINg, 1850 (MHNG-PLAT-85239) fROM Phractocephalus hemioliopterus. 19. SCOLeX, ANTeRO-DORSOVeNTRAL VIeW. 20. SCOLeX, APICAL VIeW. 21. SCOLeX, LATeRAL VIeW. 22. DeTAIL Of THe SURfACe Of A MATURe PROgLOTTID. NOTe: THe LACINIATION PATTeRN ON THe PROgLOTTID SURfACeS. 23–28. MICROTRICHeS ON THe APeX Of THe SCOLeX, bRIDge-LIKe TISSUe, eXTeRNAL RIM Of SUCKeRS, beTWeeN SUCKeRS, STRObILA AND SURfACe Of LACINIATION, ReSPeCTIVeLY. NOTe: SMALL bLACK NUMbeRS CORReSPOND TO THe fIgUReS SHOWINg HIgHeR MAgNIfICATION IMAgeS Of THeSe SURfACeS.
FIGURES 1–9 in Towards a robust systematic baseline of Neotropical fish tapeworms (Cestoda: Proteocephalidae): amended diagnoses of two genera from the redtail catfish, Phractocephalus hemioliopterus
FIGURES 1–9. SCANNINg eLeCTRON MICROgRAPHS Of Ephedrocephalus microcephalus DIeSINg, 1850 (MHNG-PLAT-28296) fROM Phractocephalus hemioliopterus. 1. SCOLeX, LATeRAL VIeW, SHOWINg THe DeePLY WRINKLeD MeTASCOLeX. 2. DeTAIL Of THe SUCKeRS, APICAL VIeW. 3. SCOLeX, APICAL VIeW. 4–9. MICROTRICHeS ON THe APeX Of SCOLeX, eXTeRNAL AND INTeRNAL RIM Of SUCKeRS, SURfACe beTWeeN SUCKeRS, MeTASCOLeX AND STRObILA, ReSPeCTIVeLY. NOTe: SMALL bLACK NUMbeRS CORReSPOND TO THe fIgUReS SHOWINg HIgHeR MAgNIfICATION IMAgeS Of THeSe SURfACeS.
FIGURES 38, 39 in Towards a robust systematic baseline of Neotropical fish tapeworms (Cestoda: Proteocephalidae): amended diagnoses of two genera from the redtail catfish, Phractocephalus hemioliopterus
FIGURES 38, 39. LINe DRAWINgS Of eggS Of Cangatiella PAVANeLLI & DOS SANTOS, 1991 IN DISTILLeD WATeR. 38. Cangatiella arandasi PAVANeLLI & DOS SANTOS, 1991 (MHNG-PLAT-34751) fROM Trachelyopterus galeatus. 39. Cangatiella macdonaghi (SZIDAT & SORIA, 1951) (MHNG-PLAT-30269) fROM Odontesthes hatcheri. Abbreviations: eM—eMbRYOPHORe; Oe—OUTeR eNVeLOPe; ON—ONCOSPHeRe; PP—POLAR PROjeCTIONS; V—VACUOLe.
FIGURES 34–37 in Towards a robust systematic baseline of Neotropical fish tapeworms (Cestoda: Proteocephalidae): amended diagnoses of two genera from the redtail catfish, Phractocephalus hemioliopterus
FIGURES 34–37. LINe DRAWINgS Of Zygobothrium megacephalum DIeSINg, 1850 fROM Phractocephalus hemioliopterus. 34, 35. CROSS-SeCTIONS AT THe LeVeL Of THe ANTeRIOR AND POSTeRIOR PART Of THe TeRMINAL geNITALIA, ReSPeCTIVeLY. 36. TeRMINAL geNITALIA, VeNTRAL VIeW (MHNG-PLAT-18317). NOTe THe SMALL SPINeS (SPINITRICHeS) ON THe CIRRUS. 37. EggS IN DISTILLeD WATeR (MHNG- PLAT-85239). Abbreviations: AC—ARMeD CIRRUS; CC—CHROMOPHILIC CeLLS; DP—DIgITATe PROjeCTIONS; DO—DORSAL OSMORegULATORY CANAL; eD—ejACULATORY DUCT; eM—eMbRYOPHORe; LA—LACINIATIONS; LM—INTeRNAL LONgITUDINAL MUSCULATURe; Oe—OUTeR eNVeLOPe; ON—ONCOSPHeRe; V—VACUOLe; VA—VAS DefeReNS; VI—VITeLLINe fOLLICLeS; VO—VeNTRAL OSMORegULATORY CANAL; VS—VAgINAL SPHINCTeR.
FIGURES 5–9. Australotaenia hobbsi n in A new species of Australotaenia (Cestoda: Proteocephalidae) from a hylid frog in Australia
FIGURES 5–9. Australotaenia hobbsi n. sp. from Ranoidea australis, Australia; holotype (A44/MU). 5―terminal genitalia, dorsal view; note the absence of a vaginal sphincter. 6―cross section at the level of testes; note a weak inner longitudinal musculature represented by a few isolated muscle fibres. 7―cross section at the level of the ovary; note the presence of the uterus at level of ovarian isthmus. 8, 9―eggs. Abbreviations: cc—chromophilic cells; ci—cirrus; cs—cirrus sac; do—dorsal osmoregulatory canal; du—diverticula of uterus; em—embryophore; ga—genital atrium; lm—inner longitudinal musculature; Mg—Mehlis' gland; oe—outer envelope; on— oncosphere; ov—ovary; sc—subtegumental cells (illustrated only partially on dorsal side); te—testes; tg—tegument; us— uterine stem; va—vas deferens; vc—vaginal canal; vi—vitelline follicles.
FIGURES 1–4. Australotaenia hobbsi n in A new species of Australotaenia (Cestoda: Proteocephalidae) from a hylid frog in Australia
FIGURES 1–4. Australotaenia hobbsi n. sp. from Ranoidea australis, Australia; holotype (A44/MU) 1―scolex; 2―mature proglottid, ventral view; ventral osmoregulatory canals indistinguishable except for the aporal pre-equatorial region; 3― pregravid proglottid, dorsal view; note the presence of numerous testes; 4―sketch of lateral uterine diverticula and the ovary in gravid proglottid, ventral view; note the posterior extension of the uterus situated ventral to the ovary and reaching to the posterior margin of the proglottid. Abbreviations: ao—apical organ; cc—chromophilic cells; cm—circular muscles; do—dorsal osmoregulatory canal; du— diverticula of uterus; gc—gland cells; Mg—Mehlis' gland; ov—ovary; rm—retractor muscles; su—sucker; te—testes; ud— uteroduct; us—uterine stem; vi—vitelline follicles; vo—ventral osmoregulatory canals.
FIGURES 19, 20 in Tapeworms (Cestoda: Proteocephalidae) of Australian reptiles: hidden diversity of strictly host-specific parasites
FIGURES 19, 20. Australophiotaenia striata (Johnston, 1914) n. comb., syntype from Townsville, Queensland, Australia [Coll. No. AHC 28406.] 19. Mature proglottid, ventral view. 20. Pregravid proglottid, dorsal view.
FIGURE 18 in Tapeworms (Cestoda: Proteocephalidae) of Australian reptiles: hidden diversity of strictly host-specific parasites
FIGURE 18. Australophiotaenia striata (Johnston, 1914) n. comb., syntype from Townsville, Queensland, Australia [Coll. No. AHC 28406.], scolex.
FIGURES 5–10 in Tapeworms (Cestoda: Proteocephalidae) of Australian reptiles: hidden diversity of strictly host-specific parasites
FIGURES 5–10. Australophiotaenia longmani (Johnston, 1916) n. comb., 5, 6. Syntype from Yuleba, Queensland, Australia [Coll. No. QMNH G16/468] 5. Scolex. 6. Mature proglottid, dorsal. 7–10. Voucher MHNG-PLAT-36551 (field No. AUS 013). 7. Pregravid proglottid, dorsal. 8. Cross section at level of uterus with eggs in capsules. 9, 10. Eggs in capsules.
FIGURES 11–17 in Tapeworms (Cestoda: Proteocephalidae) of Australian reptiles: hidden diversity of strictly host-specific parasites
FIGURES 11–17. Australophiotaenia mjobergi (Nybelin, 1917) n. comb., syntype from Police Camp, Northern Territory, Australia [Coll. No. SMNH 3272]. 11. Scolex. 12. Pregravid proglottid, ventral. 13. Terminal genitalia. 14–16. Cross sections at level of ovary, testes and uterus, respectively. 17. Eggs in capsules.
FIGURES 1–4 in Tapeworms (Cestoda: Proteocephalidae) of Australian reptiles: hidden diversity of strictly host-specific parasites
FIGURES 1–4. Australophiotaenia amphiboluri (Nybelin, 1917) n. comb., syntype from Mount Tamborine, Queensland, Australia [Coll. No. SMNH 3279]. 1. Mature proglottid, ventral. 2. Cross sections at level of testes. 3. Cross sections at level of uterus with forming eggs. 4. Cross sections at level of eggs in capsules. Abbreviations (Figs. 1–20): cc—chromophilic cells; ci—cirrus; cs—cirrus-sac; doc—dorsal osmoregulatory canal; ec—egg capsule; em—bi-layered embryophore; ga—genital atrium; gc—gland cells; lm—internal longitudinal musculature; gm—Mehlis' glands; mf—muscle fibres; mi—microtriches; oe—outer envelope; od—oviduct; on—oncosphere; ov—ovary; st—subtegumental muscle fibres; su—subtegumental cells; te—testes; tg—tegument; ud—uterine diverticula; us—uterine stem; va—vas deferens; vc—vaginal canal; vd—vitelloduct; vf—vitelline follicles; voc—ventral osmoregulatory canal; vs—vaginal sphincter.
Fig. 3 in Untangling convoluted taxonomy of Chambriella Rego, Chubb & Pavanelli, 1999 (Cestoda: Proteocephalidae), with erection of Riggenbachiella n. g. and the description of a new species from pimelodid catfishes in the Neotropical Region
Fig. 3 Chambriella megacephala (Woodland, 1934) ex Zungaro jahu. A, Scolex, apical view (paratype of C. agostinhoi, CHIOC 32820c); B, Terminal genitalia, ventral view (holotype of C. agostinhoi, CHIOC 32820a); C, Terminal genitalia, dorsal view (MHNH- PLAT 22025); D, E, Cross-sections at anterior and cirrus-sac level of proglottides, respectively (MHNH-PLAT 19546); F, Eggs drawn in distilled water (MHNH-PLAT 20768). Abbreviations: al, anterior sucker loculus; ci, cirrus; cs, cirrus-sac; do, dorsal osmoregulatory canal; ed, ejaculatory duct; em, bi-layered embryophore; lm, internal longitudinal musculature; oe, outer envelope; on, oncosphere; pl, posterior sucker loculus; st, subtegumental muscle fibres; su, subtegumental cells; te, testes; tg, tegument; ut, uterus; va, vas deferens; vi, vitelline follicles; vo, ventral osmoregulatory canal; vs, vaginal sphincter. Scale-bars: A, D, E, 200 lm; B, C, 100 lm; F, 20 lm
Fig. 2 in Untangling convoluted taxonomy of Chambriella Rego, Chubb & Pavanelli, 1999 (Cestoda: Proteocephalidae), with erection of Riggenbachiella n. g. and the description of a new species from pimelodid catfishes in the Neotropical Region
Fig. 2 Scanning electron micrographs of representatives of c monticelliine proteocephalideans. Chambriella megacephala (Woodland, 1934) ex Sorubimichthys planiceps (MHNG-PLAT 54608): A, B, Scoleces, dorsoventral and apical views, respectively; C, D, G, Microtriches on the apex of the scolex, external upper surface of the suckers and between suckers, respectively. Riggenbachiella amazonense n. sp. ex S. planiceps (MHNG-PLAT 54609): E, F, Scoleces, dorsoventral and apical views, respectively; H, K, L, Microtriches on the apex of the scolex, external upper surface of the suckers and between suckers, respectively. Riggenbachiella paranaense (Pavanelli & Rego, 1989) ex Hemisorubim platyrhynchos (MHNG-PLAT 36430): I, J, Scoleces, dorsoventral and apical views, respectively; M–O, Microtriches on the apex of the scolex, external upper surface of the suckers and between suckers, respectively. Scale-bars: A, B, E, F, I, J, 100 lm; C, D, G, H, K–O, 1 lm
Fig. 5 in Untangling convoluted taxonomy of Chambriella Rego, Chubb & Pavanelli, 1999 (Cestoda: Proteocephalidae), with erection of Riggenbachiella n. g. and the description of a new species from pimelodid catfishes in the Neotropical Region
Fig. 5 Riggenbachiella paranaense (Pavanelli & Rego, 1989) n. comb. ex Hemisorubim platyrhynchos. A, Scolex, dorsoventral view (MHNH-PLAT 19514); B, Mature proglottis, ventral view (MHNH-PLAT 19514); C, Pregravid proglottis, dorsal view (MHNH-PLAT 19519); D, Terminal genitalia, ventral view (holotype, CHIOC 32490); E, Cross-section, detail at posterior level of proglottides (MHNH-PLAT 19514); F, Cross-section at level of ovary (paratype, CHIOC 32492a); G, Eggs drawn from whole-mounted specimen (MHNH-PLAT 19514). Abbreviations: al, anterior sucker loculus; cc, chromophilic cells; ci, cirrus; cs, cirrus-sac; do, dorsal osmoregulatory canal; em, bi-layered embryophore; gc, glandular cells; idc, internal sperm duct chambers; ln, longitudinal nerve cord; mg, Mehlis' gland; od, oviduct; on, oncosphere; ov, ovary; pl, posterior sucker loculus; te, testes; ut, uterus; vi, vitelline follicles; vo, ventral osmoregulatory canal; vs, vaginal sphincter; vt, vitelloduct. Scale-bars: A, 200 lm; B, C, 500 lm; D, F, 100 lm; E, 50 lm; G, 20 lm
Fig. 1 in Untangling convoluted taxonomy of Chambriella Rego, Chubb & Pavanelli, 1999 (Cestoda: Proteocephalidae), with erection of Riggenbachiella n. g. and the description of a new species from pimelodid catfishes in the Neotropical Region
Fig. 1 Tree resulting from Bayesian Inference (BI) analysis of partial (D1-D3 domains) of lsrDNA data for selected members of the Proteocephalidae, including Riggenbachiella amazonense n. sp. and Chambriella megacephala (Woodland, 1934) n. comb. Bayesian inference posterior probabilities/ Maximum likelihood (ML) bootstrap support values are shown at the nodes. Branches with posterior probability support \ 0.90 (BI) are collapsed and support values \ 70 (ML) are not shown. The scale-bar indicates the number of substitutions per site
Figure 10 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 10. Palaeogeographic map of the Early Miocene, 20 Mya (C. Scotese, Palaeoatlas, v.3). Siluridae have originated. Dashed arrows show the major dispersal routes of Gangesiinae. Range expansion of Siluridae into northern Africa allowed host-shifting into Malapteruridae. Dispersal and diversification of Gangesiinae, especially Gangesia, continued in the Indomalayan region and extended to north-east Asia. The rectangular box with an 'x' mark inside it indicates the absence of gangesiine tapeworms in catfish hosts. Sigmoid marks indicate the presence of Gangesiinae in catfish hosts.
Figure 8 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 8. Palaeogeographic map of the Late Aptian, 115 Mya (C. Scotese, Palaeoatlas, v.3), showing the origin of the Siluriformes (catfishes) in South America with subsequent dispersal to Africa or an origin in Gondwana when Africa and South America were still united, followed by vicariance. The presence of siluriforms in India during this time is questionable. Siluriforms are absent from Eurasia at this time (see text for discussion). The '?' mark on the catfish in Africa indicates the uncertainty about the Gangesiinae in catfishes on that landmass at the time. The '?' mark on the Indian landmass (IND) indicates that it is uncertain if catfishes were present on that landmass at the time. Abbreviations: AUS, Australian region; INM, Indomalayan region; PAL, Palaearctic region.
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