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117 results for “Acanthodrilidae”
FIGURE 3 in An integrative taxonomic approach to the identification of three new New Zealand endemic earthworm species (Acanthodrilidae, Octochaetidae: Oligochaeta)
FIGURE 3. Octochaetus kenleei Holotype showing dorsal view of prostomium and pygidium, and ventral view of body with spermathecae and prostates in situ; gizzards are in 5 and 6 and calciferous gland is in 17; enlarged 9rhs spermatheca shows nephridia on either side.
FIGURE 1 in An integrative taxonomic approach to the identification of three new New Zealand endemic earthworm species (Acanthodrilidae, Octochaetidae: Oligochaeta)
FIGURE 1. Maoridrilus felix Holotype showing dorsal view of prostomium and pygidium, and ventral view of body with spermathecae and prostates in situ; nephridium of 6lhs is as seen from dorsal dissection; enlarged penial seta 19rhs.
FIGURE 2 in An integrative taxonomic approach to the identification of three new New Zealand endemic earthworm species (Acanthodrilidae, Octochaetidae: Oligochaeta)
FIGURE 2. Deinodrilus gorgon Holotype showing dorsal view of prostomium and ventral view of body with spermathecae and prostates in situ; gizzard is in 6.
FIGURE 11 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 11. Geographic distribution of Ramiellona strigosa and Ramiellona americana in Mexico and Guatemala (right), and geographic distribution of Ramiellona tojolabala sp. nov., Ramiellona teapaensis sp. nov. and Ramiellona microscolecina sp. nov. in Mexico (left).
FIGURE 10 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 10. Ramiellona americana (Gates). IEOL 3098. A. External lateral view of anterior region. Scale 5 mm. B. Dorsal view of spermatheca from segment 9. C. Ventral view of the same spermatheca. Scale 2 mm. D–G: Penial setae from right side of segment 17: D. Seta a. E. Distal portion of seta a. F. Seta b. G. Distal portion of seta b. Scale 0.5 mm.
FIGURE 9. Ramiellona strigosa setosa Righi. A–D in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 9. Ramiellona strigosa setosa Righi. A–D: Penial setae of one individual from Huimanguillo, Tabasco, IEOL 3313. SEM photographs. A. Seta a of segment 19 (scale 500 µm). B. Distal portion of seta 19a (scale 100 µm). C. Seta b of segment 19 (scale 500 µm). D. Apex ornamentation of seta 19b (scale 50 µm). E–H: Penial setae of one individual from Ixhuatan, Tabasco, IEOL 4090. SEM photographs. E. Seta a of segment 17 (scale 500 µm). F. Apex ornamentation of seta 17a (scale 50 µm). G. Seta b of segment 17 (scale 200 µm). H. Apex ornamentation of seta 17b (scale 20 µm).
FIGURE 8 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 8. Ramiellona strigosa setosa Righi. Penial setae of one individual from Chajul, Chiapas, IEOL 1949. SEM photographs. A. Seta a of segment 17 (scale 200 µm). B. Apex ornamentation of seta 17a (scale 20 µm). C. Seta b of segment 17 (scale 200 µm). D. Apex ornamentation of seta 17b. (scale 20 µm).
FIGURE 6 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 6. Ramiellona microscolecina sp.nov. Penial seta from right side of segment 17. SEM photographs. A. Seta a (scale 200 µ). B. Apex ornamentation of seta a (scale 50 µm). C. Seta b (scale 200 µm). D. Apex ornamentation of seta b (scale 20 µm). Paratype IEOL 4251.
FIGURE 7 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 7. Ramiellona strigosa setosa Righi. Ventral view of individuals from different populations, showing different patterns of genital marks: A. Chajul, IEOL 1978. B. Chajul, IEOL 1940. C. Agua Blanca, IEOL 4239. D. Huimanguillo, IEOL 3313–1. E. San Cristobal, IEOL 4040. Scale 2 mm.
FIGURE 5 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 5. Ramiellona microscolecina sp. nov. A. Ventral view of anterior region (paratype IEOL 3701). B. Right side spermatheca, dorsal view. C. Right side spermatheca, ventral view. Holotype IEOL 3356. Scale 1 mm.
FIGURE 4 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 4. Ramiellona teapaensis sp. nov. A. Penial seta b of segment 17 (scale 100 µm). B. Spermathecal seta b of segment 7 (scale 100 µm). Holotype IEOL 4224. C. Distal ornamentation of penial seta 17a. (scale 10 µm). D. Ornamentation of spermathecal seta 8a. (scale 10 µm). Paratype IEOL 4225. SEM photographs.
FIGURE 3 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 3. Ramiellona teapaensis sp. nov. A. External ventral view of anterior region. B. Spermatheca from segment 9, dorsal view. C. Simplified drawing of a transverse section of esophagus and dorsal stalked calciferous glands from segment 10. D = dorsal, V = ventral, d.v. = dorsal vessel, s.v. = supra-esophageal vessel. Paratype IEOL 4225. Scale 0.5 mm.
FIGURE 2 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 2. Ramiellona tojolabala sp. nov. A. Penial seta a of segment 19 (scale 200 µm). SEM photographs. B. Apex of penial seta 19a (scale 50 µm). C. Spermathecal seta a of segment 7 (scale 100 µm). D. Apex of spermathecal seta 7a (scale 20 µm). Paratype IEOL 2149.
FIGURE 1 in New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala
FIGURE 1. Ramiellona tojolabala sp. nov. A. External ventral view of anterior region. B. Spermatheca from segment 9, dorsal view. C. Transverse section (hand made dissection) from segment 9, showing the esophagus and dorsal stalked calciferous glands. D = dorsal, V = Ventral. Holotype IEOL 4238. Scale 1 mm.
FIGURE 4 in Lavellodrilus notosetosus sp. nov. (Annelida, Crassiclitellata, Acanthodrilidae): a new Mexican earthworm with uncommon characters, revealed by a preliminary revision of subfamily Acanthodrilinae
FIGURE 4. Frequency of selected morphological characters in Acanthodrilinae, partitioned across geographical regions. A and B show percentages of species carrying the character, relative to the total number of species (511); C and D show percentage of species carrying the character relative to the number of species for each region. US-MX-C= south, central and eastern USA, central and north eastern Mexico and Cuba, Haiti, Puerto Rico and Virgin Islands; MX-CA = central, eastern and southern Mexico, western Cuba, and Central America north of Nicaragua; SAM= Chile and southern Argentina; SAF= South Africa; AI=Antarctic Islands; M= Madagascar; AUS= Australia; NZ= New Zealand; NC= New Caledonia.
FIGURE 3 in Lavellodrilus notosetosus sp. nov. (Annelida, Crassiclitellata, Acanthodrilidae): a new Mexican earthworm with uncommon characters, revealed by a preliminary revision of subfamily Acanthodrilinae
FIGURE 3. Lavellodrilus notosetosus sp. nov. Internal. A. Dorsal view of segments 9–22; below septum 13/14, hearts, dorsal vessel and esophagus of segment 13 are diagrammatically shown (Paratype IEOL-3127; scale 2 mm). ES= Esophagus, vascularized region, G= Genital setae within follicles, H= Heart, HP= Parietal holonephridium, I= Start of intestine, PS= Penial setae follicles, S= septa SS= Somatic setae cd. B. Prostatic glands and penial setae follicles of segments 17 and 19; the intestine and esophagus were removed to facilitate view; (Holotype IEOL-3109; scale 1 mm). C= Nerve cord, M= Prostate muscular duct, PG= Prostate glandular region, PS= Penial setae follicles. C. Spermathecae of segment 9 in situ, dorsal view (Paratype IEOL-3109-2; scale 500 µm). D. Extracted left spermatheca from segment 9, (Paratype IEOL-3111; scale 500 µm). A= Spermathecal ampulla,). C= Nerve cord, DU= Spermathecal duct, DI= Spermathecal diverticle,
FIGURE 2 in Lavellodrilus notosetosus sp. nov. (Annelida, Crassiclitellata, Acanthodrilidae): a new Mexican earthworm with uncommon characters, revealed by a preliminary revision of subfamily Acanthodrilinae
FIGURE 2. Lavellodrilus notosetosus sp. nov. Setae. A. Right genital setae a of segment 12 (Holotype IEOL-3109; scale 400 µm). B. Apex of genital seta 12b (Holotype; scale 10 µm). C. Right penial setae b of segment 17 (Holotype IEOL-3109; scale 500 µm). D. Apex of penial seta 17a (Paratype IEOL 3108-2; scale 20 µm).
FIGURE 1 in Lavellodrilus notosetosus sp. nov. (Annelida, Crassiclitellata, Acanthodrilidae): a new Mexican earthworm with uncommon characters, revealed by a preliminary revision of subfamily Acanthodrilinae
FIGURE 1. Lavellodrilus notosetosus sp. nov. External. A. Ventral view of anterior region (Holotype IEOL-3109; scale 1 mm). B. Ventro-lateral view of female pores (Fp) (Paratype IEOL-3123; scale 1 mm). C. Ventro-lateral view of the genital zone showing genital papillae (Gp) and prostatic pores (Pp) (Paratype IEOL-3109-2; scale 1 mm). D. Ventro-lateral view of segment 12, showing the butterfly-like genital mark (Paratype IEOL-3123; scale 1 mm). E. Transverse section in the middle part of the body, behind segment 40, showing somatic setae (a,b,c,d), dorsal vessel (Dv) and intestine (I) (fragment of an individual collected 06/05/1982; scale 1 unity= 0.21 mm) F. Ventral view of anterior region (Paratype IEOL-3109-2; scale 1 mm).
FIGURE 4 in New species of the earthworm genus Zapatadrilus (Clitellata, Acanthodrilidae) from northern Mexico
FIGURE 4. Right prostate glands of segment 18 of the three new species. A–C. External appearance, dorsal view, photograph. D–G. Cross section, scanning electron micrographs. A,D. Zapatadrilus aurelius sp. nov. B,E. Zapatadrilus montezumensis sp. nov. C,F,G. Zapatadrilus huastecus sp. nov. In external appearance (A–C), the prostates of the three species are racemose, but internally (D–G), the cross sections reveal the presence of a single central duct; therefore the prostates are tubulo-racemose. The central duct is indicated by a red arrow. Scale bars = 100µm (D,E), 50µm (F), 10µm (G).
FIGURE 1 in New species of the earthworm genus Zapatadrilus (Clitellata, Acanthodrilidae) from northern Mexico
FIGURE 1. Zapatadrilus aurelius sp. nov. Holotype IEOL4480. A. Anterior region of specimen, external ventral view. B–D. Right spermatheca from segment 8, dorsal view (B), lateral view (C), and ventral view (D). Am= Ampulla, Di= Diverticulum, Du= Duct, Gm= Genital marking, Gp= Genital papilla. Scale bar 1 mm.
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