Line Drawing 1
 Figure 2 Line drawings of Rhinoptericola megacantha Carvajal & Campbell, 1975. (A) Whole worm (USNM 1661579; voucher). (B) Scolex (USNM 1661577; voucher). (C) Terminal proglottid (USNM 1661584; vouche... MoreFigure 2 Line drawings of Rhinoptericola megacantha Carvajal & Campbell, 1975. (A) Whole worm (USNM 1661579; voucher). (B) Scolex (USNM 1661577; voucher). (C) Terminal proglottid (USNM 1661584; voucher); circumcortical vitelline follicles are drawn only on the lateral margins and in the region delimited by dashed lines. Arrowheads indicate the level at which the sections in Fig. 5 were taken. |
Line Drawing 2
 Figure 3 Line drawings of the tentacular armature of Rhinoptericola megacantha Carvajal & Campbell, 1975. (A) Metabasal armature, internal surface (LRP 10538; voucher). (B) Metabasal armature, bothria... MoreFigure 3 Line drawings of the tentacular armature of Rhinoptericola megacantha Carvajal & Campbell, 1975. (A) Metabasal armature, internal surface (LRP 10538; voucher). (B) Metabasal armature, bothrial surface (USNM 1661582; voucher). (C) Metabasal armature, external surface (LRP 10538; voucher). (D) Comparison of metabasal hook shapes. (E) Basal armature, internal surface (USNM 73836; holotype). (F) Basal armature, bothrial surface (USNM 1661576; voucher). (G) Basal armature, external surface (USNM 73836; holotype). (H) Basal armature, antibothrial surface (USNM 1661579; voucher). Asterisks (*) in E–H indicate macrohooks. |
Photo Micrograph
 Figure 5 Light micrographs of cross-sections of Rhinoptericola megacantha Carvajal & Campbell, 1975. (A) Scolex at the level of the bothria. (B) Scolex at the level of the prebulbar organs. (C) Mature... MoreFigure 5 Light micrographs of cross-sections of Rhinoptericola megacantha Carvajal & Campbell, 1975. (A) Scolex at the level of the bothria. (B) Scolex at the level of the prebulbar organs. (C) Mature proglottid anterior to the genital pores. (D) Mature proglottid at the anterior margin of the ovary. (E) Mature proglottid at the level of the Mehlis’ gland. Abbreviations: BO, bothrium; BU, bulb; DEV, dorsal excretory vessel; M, Mehlis’ gland; O, ovary; PBO, prebulbar organ; RM, retractor muscle; T, testis; TE, tentacle; TS, tentacle sheath; U, uterus; UD, uterine duct; UTD, uterine diverticulum; VA, vagina; VEV, ventral excretory vessel; VID, vitelline duct; VF, vitelline follicle |
Scanning Electron Micrograph
 Figure 4 Scanning electron micrographs of Rhinoptericola megacantha Carvajal & Campbell, 1975. (A) Scolex; small letters indicate the location of details shown in (I–K). (B) Bothria and tentacular arm... MoreFigure 4 Scanning electron micrographs of Rhinoptericola megacantha Carvajal & Campbell, 1975. (A) Scolex; small letters indicate the location of details shown in (I–K). (B) Bothria and tentacular armature; small letters indicate the location of details shown in (D–H). (C) Surface of everted cirrus. (D) Distal bothrial surface. (E) Proximal bothria surface near the bothrial rim. (F) Bothrial surface away from the bothrial rim. (G) Surface of the scolex proper between the bothria. (H) Surface of the scolex proper at the apex. (I) Surface of the pars vaginalis. (J) Surface of the pars bulbosa. (K) Strobilar surface. (L) Separate male and female genital pores. (M) Metabasal armature, internal surface. (N) Metabasal armature, external surface. (O) Basal armature, internal surface. (P) Basal armature, bothrial surface. Asterisks (*) in O and P indicate macrohooks. |