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184 results for “Amynthas”
Figure 3 in Four new species of Amynthas earthworms (Oligochaeta: Megascolecidae) from the Central Mountain Range of southern Taiwan
Figure 3. Amynthas biorbis sp. nov. Holotype (TESRI-O-H-33) (86 mm): (A) ventral view of male pore region (mp, male porophore; gp, genital papilla;); (B) dorsal view of right spermathecae (amp, ampulla; dv, diverticulum); (C) dorsal view of right seminal vesicles (sv) (dl, dorsal lobe); (D) dorsal view of right prostate gland (ac, accessory gland); (E) dorsal view of right caecum.
Figure 2 in Four new species of Amynthas earthworms (Oligochaeta: Megascolecidae) from the Central Mountain Range of southern Taiwan
Figure 2. Amynthas libratus sp. nov. Holotype (TESRI-O-H-32) (72 mm): (A) ventral view of spermathecal pore region (gp, genital papilla; sp, spermathecal pore); (B) ventral view of male pore region (mp, male porophore); (C) dorsal view of right spermathecae (amp, ampulla; dv, diverticulum; ac, accessory gland); (D) dorsal view of right seminal vesicles (sv) (dl, dorsal lobe); (E) dorsal view of right prostate gland; (F) dorsal view of right caecum.
Figure 1 in Four new species of Amynthas earthworms (Oligochaeta: Megascolecidae) from the Central Mountain Range of southern Taiwan
Figure 1. Amynthas pavimentus sp. nov. Holotype (TESRI-O-H-31) (121 mm): (A) ventral view of spermathecal pore region (gp, genital papilla; sp, spermathecal pore); (B) ventral view of male pore region (mp, male porophore); (C) dorsal view of right spermathecae (amp, ampulla; dv, diverticulum; ac, accessory gland); (D) dorsal view of right seminal vesicles (sv) (dl, dorsal lobe); (E) dorsal view of right prostate gland; (F) dorsal view of right caecum.
Figure 4 in Three new species of the Amynthas hawayanus-group (Oligochaeta: Megascolecidae) from Hainan Island, China
Figure 4. Amynthas edwardsi sp. nov. (A) ventral view. (B) spermathecae; scale bars 1.7 mm (A), 1.0 mm (B).
Figure 2 in Three new species of the Amynthas hawayanus-group (Oligochaeta: Megascolecidae) from Hainan Island, China
Figure 2. Amythas bouchei sp. nov. (A) ventral view. (B) spermathecae; scale bars 3.5 mm (A), 0.9 mm (B).
Figure 1 in Three new species of the Amynthas hawayanus-group (Oligochaeta: Megascolecidae) from Hainan Island, China
Figure 1. Collection sites in Hainan Island: species 1, Amynthas bouchei sp.nov. (species 1 was collected in Jianfengling National Nature Reserve); species 2, Amynthas omodeoi sp. nov.; species 3, Amynthas edwardsi sp. nov. (both species 2 and species 3 were collected in Diaoluoshan National Forest Park).
Figure 3 in Three new species of the Amynthas hawayanus-group (Oligochaeta: Megascolecidae) from Hainan Island, China
Figure 3. Amynthas omodeoi sp. nov. (A) ventral view. (B) spermathecae; scale bars 1.0 mm (A), 0.8 mm (B).
FIG. 1. Amynthas hohuanmonti s in A new athecate earthworm of the genus Amynthas Kinberg (Megascolecidae: Oligochaeta) from Taiwan with discussion on phylogeny and biogeography of the A. illotus species-group
FIG. 1. Amynthas hohuanmonti s sp. nov. Holotype (113 mm): (A) male pore region (po, porophore; gp, genital papilla); (B) lateral view of seminal vesicles (sv) and testis sacs (ts); (C) left vestigial prostate gland (pg) with normal prostatic duct (pd) and accessory glands (ag); (D) right vestigial prostate gland with normal prostatic duct and accessory glands. Paratype (97 mm): (E) right nodule-like prostate gland with normal prostatic duct and accessory glands; (F) left prostate gland absent but with normal prostatic duct and accessory glands.
FIG. 3 in A new athecate earthworm of the genus Amynthas Kinberg (Megascolecidae: Oligochaeta) from Taiwan with discussion on phylogeny and biogeography of the A. illotus species-group
FIG. 3. Distribution of ®ve species of the illotus species-group (solid circles with species names) in East Asia in relation to the land areas closed by the coastal lines at present (solid lines) and in the early Pleistocene (dashed lines) cited from ®gure 3 of Hikida and Ota (1997).
FIG. 2 in A new athecate earthworm of the genus Amynthas Kinberg (Megascolecidae: Oligochaeta) from Taiwan with discussion on phylogeny and biogeography of the A. illotus species-group
FIG. 2. Male pore structures in XVIII of the ®ve species of the illotus species-group (open circles, porophores; solid circles, genital papillae).
FIGURE 1 in Three new earthworm species of the genus Amynthas (Clitellata: Megascolecidae) from Mt. Chiak National Park, Korea
FIGURE 1. Amynthas chiakensis sp. nov. (A, B), Amynthas gyeongriae sp. nov. (C, D), and Amynthas wonjuensis sp. nov. (E, F). A, C, E. Ventral view. B, D, F. Spermathecae. Scale bars = 5 mm (A, C, E), 2.5 mm (B, D, F).
Figure 2 in Four new earthworms of the genus Amynthas (Oligochaeta: Megascolecidae) from Mount Emei, Sichuan Province, China
Figure 2. (a) Amynthas retortus Sun and Jiang sp. nov., holotype, spermathecal pore region; (b) A. retortus sp. nov., male pore region; (c) A. retortus sp. nov., intestinal caecum; (d) A. retortus sp. nov., spermathecae. (e) Amynthas orbicularis Sun and Jiang sp. nov., holotype, dorsal view of spermathecal pores; (f) A. orbicularis sp. nov., male pore region; (g) A. orbicularis sp. nov., intestinal caecum; (h) A. orbicularis sp. nov., prostate gland region; (i) A. orbicularis sp. nov., spermathecae.
Figure 1 in Four new earthworms of the genus Amynthas (Oligochaeta: Megascolecidae) from Mount Emei, Sichuan Province, China
Figure 1. (a) Amynthas leshanensis Sun and Qiu sp. nov., holotype, spermathecal pores; (b) A. leshanensis sp. nov., male pore region; (c) A. leshanensis sp. nov., intestinal caecum; (d) A. leshanensis sp. nov., spermathecae. (e) Amynthas gilvus Sun and Qiu sp. nov., holotype, male pore region; (f) A. gilvus sp. nov., intestinal caecum; (g) A. gilvus sp. nov., spermathecae.
Figure 3 in Four new earthworm species of the genus Amynthas Kinberg (Oligochaeta: Megascolecidae) from the island of Hainan and Guangdong Province, China
Figure 3. Amynthas infuscuatus Jiang and Sun sp. nov. (A) Ventral view of holotype, scale bar 2 mm; (B) spermathecae of holotype, scale bar 1 mm; (C) prostate gland of holotype.
Figure 1 in Four new earthworm species of the genus Amynthas Kinberg (Oligochaeta: Megascolecidae) from the island of Hainan and Guangdong Province, China
Figure 1. Amynthas instabilis Qiu and Jiang sp. nov. (A) Ventral view of holotype, scale bar 2 mm; (B) spermathecae of holotype, scale bar 1 mm; (C) prostate gland of holotype; (D) male pore region of one paratype.
Fig. 3 in Amynthas carnosus (Goto & Hatai, 1899) redescribed on its neotype (Oligochaeta: Megadrilacea: Megascolecidae)
Fig. 3. Variation in genital markings and spermathecal pores from Kobayashi (1936: text-figs. 1-2) showing permissible variations as determined by his detailed study.
Fig. 9. Amynthas diffringens - A in Megascolex (Perichaeta) diffringens Baird, 1869 and Pheretima pingi Stephenson, 1925 types compared to the Amynthas corticis (Kinberg, 1867) and A. carnosus (Goto & Hatai, 1899) species-groups (Oligochaeta: Megadrilacea: Megascolecidae)
Fig. 9. Amynthas diffringens - A the previously dissected syntype showing prostomium, ventral habitus with spermathecae and prostates in situ and caecum 27rhs; X2 enlargements are of a 9lhs spermathea, 5/6/7/8/9rhs spemathecal pores and 18rhs male pore; B A. sanctaehelenae prostomium of previously dissected subadult type.
Fig. 4. Amynthas corticis - specimens A in Megascolex (Perichaeta) diffringens Baird, 1869 and Pheretima pingi Stephenson, 1925 types compared to the Amynthas corticis (Kinberg, 1867) and A. carnosus (Goto & Hatai, 1899) species-groups (Oligochaeta: Megadrilacea: Megascolecidae)
Fig. 4. Amynthas corticis - specimens A from Arataki, New Zealand (providing DNA WM7 specimen in Auckland Museum) and B Korea (providing DNA WM9) plus male pores of its two sympatric specimens for comparison (specimens NIBRIV249903-4). Note: these superficially similar specimens separate genetically (see Fig. 1).
Fig. 3. A. Amynthas carnosus roki subsp. n in Survey of Busan Oligochaeta earthworms supported by DNA barcodes
Fig. 3. A. Amynthas carnosus roki subsp. n. holotype (H, DNA w56) showing habitus, prostomium, spermathecae, caecum and prostate of 18lhs in situ with X2 enlargements of post-intersegmental spermathecal pores of 8rhs and simple male pore of 18rhs. B. Sketch of these from Busan paratype (P, DNA H4 agreeing 100%). 3C and 3D are comparison sketches with similar X2 enlargements for sympatric A. carnosus carnosus (Goto and Hatai, 1899) specimens from Incheon (200 and 280 mm long) with pre-intersegmental spermathecal pores that provided DNA samples w55 and w57, respectively, agreeing>99% with each other (see Fig. 1 and Appendix).
Fig. 1. Phylotree from MEGA5 in Megascolex (Perichaeta) diffringens Baird, 1869 and Pheretima pingi Stephenson, 1925 types compared to the Amynthas corticis (Kinberg, 1867) and A. carnosus (Goto & Hatai, 1899) species-groups (Oligochaeta: Megadrilacea: Megascolecidae)
Fig. 1. Phylotree from MEGA5 program Maximum Likelihood defaults - sample codes explained in the Appendix; ◆- samples have figured specimens; ◇- ex GenBank. Appears to show significant genetic difference between specimens superficially compliant with broad A. corticis definition as discussed below that taxon herein. Synonym priority for either Gp 1 or Gp 2 is currently unresolved.
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