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4 results for “Atatina”
FIGURE 1 in Two new species of Atatina earthworm (Rhinodrilidae, Clitellata) from the Gurupi Biological Reserve, Maranhão, Brazil
FIGURE 1. Atatina arimikuriaka sp. nov. A. Ventral view of first thirteen segments. B. Ventral view of clitellum region. C. Left common a seta of XXXVIII. D. Right genital a seta of XIX. E. Dorsal view in cross-section of the left calciferous glands of X–XII. F. Left post-clitellar nephridia of XXX. G. In situ dorsal view of right spermathecae of V–VII. amp: ampulla. bd: bladder. c: crop. d: duct. dv: dorsal blood vessel. Gz: gizzard. h: lateroesophageal heart. I: intestine. lam: lamella. lu: intestinal lumen. np: nephropore. pr: prostomium. sv: seminal vesicle. sp: spermathecal pores. TP: tubercula pubertatis.
FIGURE 2 in Two new species of Atatina earthworm (Rhinodrilidae, Clitellata) from the Gurupi Biological Reserve, Maranhão, Brazil
FIGURE 2. Atatina arimikuritea sp. nov. A. Lateral view of anterior region showing the clitellum. B. Ventral view of clitellum region after dissection. C. Left common a seta of XXXV. D. Right genital a seta of XVIII. E. Dorsal view in cross-section of the left calciferous gland of X–XII. F. Left post-clitellar nephridia of XXX. G. Dorsal view of left spermathecae of IX. amp: ampulla. bd: bladder. c: crop. d: duct. dv: dorsal blood vessel. Gz: gizzard. h: lateroesophageal heart. I: intestine. lam: lamella. lbv: lateral blood vessel. lu: intestinal lumen. nep: nephridia. np: nephropore. sv: seminal vesicle. TP: tubercula pubertatis.
FIGURE 3 in Two new species of Atatina earthworm (Rhinodrilidae, Clitellata) from the Gurupi Biological Reserve, Maranhão, Brazil
FIGURE 3. Geographical distribution of the five species of Atatina in south America and potential gaps in the Amazon biome to find new species.
TABLE 1 in Two new species of Atatina earthworm (Rhinodrilidae, Clitellata) from the Gurupi Biological Reserve, Maranhão, Brazil
<p><b>TABLE 1:</b> List of main characters of the earthworm species belonging to the <i>Atatina</i> genus. cli: Clitellum. *Amputee. GBR: Gurupi Biological Reserve</p><table><tbody><tr><th><b>Character</b></th><th><i>A. puba</i></th><th><i>A. gatesi</i></th><th><i>A. albida</i></th><th><i>A. arimikuriaka</i> <b>n. sp</b></th><th><i>A. arimikuritea</i> <b>n. sp</b></th></tr></tbody><tbody><tr><th>Reference</th><td>Righi 1971</td><td>Righi 1978</td><td>Bartz & Decaëns</td><td>This study</td><td>This study</td></tr><tr><th>Length (mm)</th><td>30–31</td><td>26*</td><td>24–41</td><td>55–68</td><td>27–36</td></tr><tr><th>Segments (Number)</th><td>130–144</td><td>108</td><td>119–299</td><td>219–302</td><td>120–135</td></tr><tr><th>Diameter (mm) X/cli/XXX</th><td>1.2–1.3/1–1.04/0.7–0.76</td><td>0.88/0.97/0.70</td><td>1.5–2/1.5–2.1/1.5–2.4</td><td>1.44–2.83/1.6–2.93/1.28–2.7</td><td>1.48–1.58/1.86–1.94/1.73– 1.74</td></tr><tr><th>Prostomium</th><td>prolobic</td><td>prolobic</td><td>Proepilobic</td><td>tentacular</td><td>prolobic</td></tr><tr><th>First setae</th><td>II</td><td>III</td><td>no reported</td><td>II</td><td>II</td></tr><tr><th>Setae ratio in XXX</th><td>1.2:1:2:0.4:5.8</td><td>2.9:1:4.63:1:13.36</td><td>2:1:3:1:12</td><td>4.8:1:6.2:0.6:15.8</td><td>1.5:1:2:0.5:5.5</td></tr><tr><th>Setae arrange</th><td>regular</td><td>regular</td><td>regular</td><td>regular</td><td>regular</td></tr><tr><th>Common Setae of XXX Excavation</th><td>ornamented</td><td>smooth</td><td>not reported</td><td>smooth</td><td>smooth</td></tr><tr><th>Common Setae of XXX Length (mm)</th><td>not reported</td><td>not reported</td><td>not reported</td><td>0.17-0.317</td><td>0.123-0.136</td></tr><tr><th>Clitellar Genital Setae Excavation</th><td>not reported</td><td>not reported</td><td>not reported</td><td>smooth</td><td>smooth</td></tr><tr><th>Clitellar Genital Setae Length (mm)</th><td>not reported</td><td>not reported</td><td>not reported</td><td>0.312</td><td>0.192</td></tr><tr><th>Clitellum</th><td>XIV–XXIII</td><td>XIV–XXI</td><td>XV–XXIV</td><td>XIII–XXII</td><td>XIII–XXII</td></tr><tr><th>Clitellum shape</th><td>saddle-shaped</td><td>saddle-shaped</td><td>saddle-shaped</td><td>annular</td><td>annular</td></tr><tr><th>Tubercula pubertatis</th><td>1/3 XIX–2/3 XXI</td><td>absent</td><td>XVII–XXIV</td><td>XVI–XXI</td><td>2/3 XVIII–1/3 XX</td></tr><tr><th>Calciferous Gland</th><td>IX–XIII</td><td>XI–XIV</td><td>IX–XII</td><td>X–XII</td><td>X–XIV</td></tr><tr><th>Esophageal hearts</th><td>X–XII</td><td>X–XIII</td><td>IX–X</td><td>X–XI</td><td>X–XI</td></tr><tr><th>Seminal vessel length</th><td>extended to XXIV</td><td>extended to XXI</td><td>extended to LX</td><td>extended to XLIII</td><td>extended to LXX</td></tr><tr><th>Male pore</th><td>16/17 in <i>c</i> line</td><td>not reported</td><td>not recognized</td><td>16/17 near <i>c</i> line</td><td>17/18 near <i>c</i> line</td></tr><tr><th>Ovary</th><td>XIII</td><td>XIII</td><td>not recognized</td><td>XIII</td><td>XIII</td></tr><tr><th>Female pore</th><td>not recognized</td><td>not recognized</td><td>not recognized</td><td>14/15 in <i>a</i> line</td><td>14/15 in <i>a</i> line</td></tr><tr><th>Spermathecae pores</th><td>9/10 in <i>d</i> line</td><td>10/11 in <i>cd</i> line</td><td>8/9, 9/10</td><td>5/6, 6/7, 7/8 in <i>cd</i> line</td><td>9/10 in <i>cd</i> line</td></tr><tr><th>Seminal Chambers</th><td>present</td><td>absent</td><td>not recognized</td><td>absent</td><td>absent</td></tr><tr><th>Locality</th><td>Pará: Belém</td><td>Amazonas: Manaus</td><td>French Guiana: Mitaraka Massif</td><td>Maranhão: GBR</td><td>Maranhão: GBR</td></tr></tbody></table>
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