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FIG. 7. — Capitamon capitatum n. gen., n in Identity of the freshwater crab Indochinamon beieri (Pretzmann, 1966), with the description of a new genus and four new species from northeastern India (Decapoda, Brachyura, Potamidae)
FIG. 7. — Capitamon capitatum n. gen., n. sp., holotype ♂ (49.5 × 37.3 mm) (ZSI-WRC C.2400): A, left G1 ultimate article (dorsal view); B, left G2; C, left G1 ultimate article (ventral view); D, left G1 (dorsal view); E, left G1 (ventral view). Scale bar: A, C, 1 mm; B, D, E, 2 mm.
FIG. 10. — Capitamon clarki n. gen., n in Identity of the freshwater crab Indochinamon beieri (Pretzmann, 1966), with the description of a new genus and four new species from northeastern India (Decapoda, Brachyura, Potamidae)
FIG. 10. — Capitamon clarki n. gen., n. sp., holotype ♂ (42.1 × 32.9 mm) (NHM 1909.5.1.1): A, left G1 (ventral view); B, left G1 ultimate article (ventral view); C, left G2; D, left G1 ultimate article (dorsal view). Scale bar: A, C, 1 mm; B, D, 0.5 mm.
Table 4 in Indopolystoma n. gen. (Monogenea, Polystomatidae) with the description of three new species and reassignment of eight known Polystoma species from Asian frogs (Anura, Rhacophoridae)
<p><b>Table 4.</b> Body measurements of <i>Indopolystoma</i> spp.</p><table><tbody><tr><th>Parasite species</th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th><th><i>Indopolystoma</i></th></tr></tbody><tbody><tr><th></th><td><i>viridi</i> n. sp.</td><td><i>elongatum</i> n. sp.</td><td><i>parvum</i> n. sp.</td><td><i>carvirostris</i></td><td><i>hakgalense</i></td><td><i>indicum</i></td><td><i>leucomystax</i></td><td><i>mutus</i> n. comb.</td><td><i>pingbianensis</i></td><td><i>rhacophori</i></td><td><i>zuoi</i></td></tr><tr><th></th><td></td><td></td><td></td><td>n. comb.</td><td>n. comb.</td><td>n. comb.</td><td>n. comb.</td><td></td><td>n. comb.</td><td>n. comb.</td><td>n. comb.</td></tr><tr><th>Host species</th><td><i>Zhangixalus</i></td><td><i>Zhangixalus arboreus Zhangixalus</i></td><td><i>Kurixalus bisacculus</i></td><td><i>Taruga</i></td><td><i>Rhacophorus</i></td><td><i>Polypedates</i></td><td><i>Polypedates</i></td><td><i>Zhangixalus</i></td><td><i>Zhangixalus</i></td><td><i>Feihyla</i></td></tr><tr><th></th><td><i>viridis</i></td><td></td><td><i>omeimontis</i></td><td>or <i>Kurixalus</i></td><td><i>eques</i></td><td><i>nigropalmatus</i></td><td><i>leucomystax</i></td><td><i>mutus</i></td><td><i>dugritei</i></td><td><i>arboreus</i></td><td><i>palpebralis</i></td></tr><tr><th></th><td></td><td></td><td></td><td><i>verrucosus</i></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th>Site</th><td>Bladder</td><td>Bladder</td><td>Bladder</td><td>Bladder</td><td>Bladder</td><td>Bladder</td><td>Bladder</td><td>Bladder</td><td>Bladder</td><td>Bladder</td><td>Bladder</td></tr><tr><th>Locality</th><td>Japan</td><td>Japan</td><td>China</td><td>China</td><td>Sri Lanka</td><td>India</td><td>China</td><td>China</td><td>China</td><td>Japan</td><td>China</td></tr><tr><th>Number of mature specimens</th><td>15</td><td>3</td><td>2</td><td>10</td><td>12</td><td>8</td><td>5</td><td>2</td><td>6–7</td><td>–</td><td>3</td></tr><tr><th>Body length</th><td>8550</td><td>14,791</td><td>4714</td><td>5070</td><td>(3870–9230)</td><td>12,556</td><td>7568</td><td>7338</td><td>9428</td><td>(4500–6000)</td><td>2716 (1624–3533)</td></tr><tr><th></th><td>(5532–11,907)</td><td>(12,847–14,878)</td><td>(4536–4891)</td><td>(4030–7790)</td><td></td><td>(6732–16,614)</td><td>(6665–8514)</td><td>(6875–7800)</td><td>(6000–12,000)</td><td></td><td></td></tr><tr><th>Greatest width</th><td>2112 (1534–2859)</td><td>3182 (3170–3270)</td><td>1916 (1701–2130)</td><td>1130 (810–1400)</td><td>(890–1790)</td><td>4164 (2222–5641)</td><td>2732 (2542–3311)</td><td>3063 (2550–3575) 1990 (1640–2390) (1000–1900)</td><td>1280 (1202–1904)</td></tr><tr><th>Width at vagina</th><td>1481 (1175–1800)</td><td>1967 (1902–2031)</td><td>1402 (1279–1525)</td><td>830</td><td>–</td><td>2057 (1197–2622)</td><td>–</td><td>–</td><td>1572</td><td>–</td><td>–</td></tr><tr><th>Haptor length</th><td>773 (526–1354)</td><td>916 (734–1098)</td><td>667 (584–749)</td><td>680 (500–750)</td><td>(635–794)</td><td>1298 (977–1710)</td><td>824 (753–989)</td><td>913 (875–950)</td><td>869 (424–1253)</td><td>(800–1100)</td><td>701 (632–924)</td></tr><tr><th>Haptor width</th><td>1184 (588–1592)</td><td>1661 (1512–1810)</td><td>1258 (1022–1494)</td><td>890 (640–1500)</td><td>(1016–1509)</td><td>2104 (1584–2466)</td><td>1693 (1355–2040)</td><td>1650 (1425–1875) 784 (415–1374)</td><td>(1100–1600)</td><td>1063 (831–1317)</td></tr><tr><th>False oral sucker</th><td>394 (266–465)</td><td>551 (528–573)</td><td>395 (358–431)</td><td>–</td><td>(189–402)</td><td>466 (236–574)</td><td>392 (194–424)</td><td>388 (275–500)</td><td>–</td><td>–</td><td>–</td></tr><tr><th>width</th></tr><tr><th>Pharynx length</th><td>210 (124–268)</td><td>237 (227–247)</td><td>191 (187–194)</td><td>–</td><td>–</td><td>291 (164–395)</td><td>252 (219–286)</td><td>245 (210–280)</td><td>253 (218–328)</td><td>(188–240)</td><td>164</td></tr><tr><th>Pharynx width</th><td>209 (164–244)</td><td>259 (256–268)</td><td>190 (174–205)</td><td>–</td><td>(135–197)</td><td>249 (164–349)</td><td>216 (194–246)</td><td>235 (200–270)</td><td>229 (189–252)</td><td>(188–220)</td><td>151</td></tr><tr><th>Ovary length</th><td>775 (577–925)</td><td>1072 (1062–1108)</td><td>545 (483–606)</td><td>497</td><td>(492–874)</td><td>1049 (504–1368)</td><td>608 (451–683)</td><td>588 (550–625)</td><td>711.5 (453–927)</td><td>(420–630)</td><td>369 (329–400)</td></tr><tr><th>Ovary width</th><td>401 (286–536)</td><td>520 (514–563)</td><td>269 (231–306)</td><td>390</td><td>(207–349)</td><td>499 (288–630)</td><td>259 (191–294)</td><td>400 (375–425)</td><td>–</td><td>(210–340)</td><td>–</td></tr><tr><th>Length of eggs</th><td>241 (191–268)</td><td>240 (224–256)</td><td>221 (219–222)</td><td>–</td><td>–</td><td>205 (190–214)</td><td>–</td><td>–</td><td>307</td><td>(238–300)</td><td>–</td></tr><tr><th>Width of eggs</th><td>125 (74–165)</td><td>118 (106–130)</td><td>103 (93–113)</td><td>–</td><td>–</td><td>132 (125–140)</td><td>–</td><td>–</td><td>165</td><td>(140–163)</td><td>–</td></tr><tr><th>Number of</th><td>1</td><td>1</td><td>1</td><td>0</td><td>–</td><td>up to 40</td><td>0</td><td>0</td><td>1–8</td><td>Usually 1 but</td><td>0</td></tr><tr><th>intra-uterine eggs</th><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>sometimes</td><td></td></tr><tr><th></th><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>more than 10</td><td></td></tr><tr><th>Genital bulb width</th><td>105 (67–124)</td><td>139 (129–211)</td><td>83 (75–90)</td><td>–</td><td>–</td><td>–</td><td>(69–76)</td><td>–</td><td>–</td><td>–</td><td>–</td></tr><tr><th>Number of genital</th><td>8–9</td><td>8</td><td>8</td><td>8</td><td>–</td><td>8</td><td>8</td><td>9</td><td>–</td><td>8</td><td>8</td></tr><tr><th>spines</th></tr><tr><th>Length of genital</th><td>40 (27–49)</td><td>41 (38–44)</td><td>17 (16–18)</td><td>–</td><td>–</td><td>39 (38–40)</td><td>–</td><td>39 (38–40)</td><td>–</td><td>42</td><td>–</td></tr><tr><th>spine</th></tr><tr><th>Haptoral sucker</th><td>333 (242–423)</td><td>420 (380–459)</td><td>335 (281–389)</td><td>259 (212–339)</td><td>(250–320)</td><td>353 (264–465)</td><td>289 (207–356)</td><td>310 (270–350)</td><td>434 (349–491)</td><td>(320–400)</td><td>251 (209–311)</td></tr><tr><th>width</th></tr><tr><th>Hamulus handle length</th><td>313 (276–373)</td><td>407 (303–419)</td><td>326 (311–340)</td><td>285 (257–326)</td><td>(380–440)</td><td>320 (178–414)</td><td>332 (260–410)</td><td>340 (330–350)</td><td>408 (332–441)</td><td>(350–420)</td><td>240 (185–307)</td></tr><tr><th>Hamulus guard length</th><td>–</td><td>–</td><td>–</td><td>249 (208–306)</td><td>–</td><td>–</td><td>–</td><td>290 (280–300)</td><td>382 (340–461)</td><td>–</td><td>205 (173–265)</td></tr><tr><th>Hamulus hook length</th><td>66 (48–74)</td><td>78.5 (72–85)</td><td>52 (39–64)</td><td>–</td><td>–</td><td>–</td><td>–</td><td>40 (38–43)</td><td>–</td><td>–</td><td>–</td></tr><tr><th>Marginal hooklet length</th><td>–</td><td>–</td><td>–</td><td>(16–18) only on suckers</td><td>(20.5–36.9) C1–C2</td><td>–</td><td>–</td><td>–</td><td>–</td><td>(24–42)</td><td>–</td></tr><tr><th>Marginal hooklet</th><td>40 (31–44)</td><td>36</td><td>32</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>(38–42)</td><td>–</td></tr><tr><th>C1 length</th></tr><tr><th>Marginal hooklet</th><td>21.5 (16–31)</td><td>23 (18–32)</td><td>(19–20)</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>(24–27)</td><td>–</td></tr><tr><th>C2–C8 length</th></tr><tr><th>Haptoral length/Body length</th><td>0.09 (0.05–0.17)</td><td>0.06 (0.05–0.07)</td><td>0.14 (0.12–0.165)</td><td>0.13</td><td>0.11</td><td>0.10</td><td>0.11</td><td>0.12</td><td>0.09</td><td>0.18</td><td>0.26</td></tr><tr><th>Number of anastomoses</th><td>0</td><td>>1</td><td>1</td><td>>1</td><td>>1</td><td>1–2</td><td>>1</td><td>>1</td><td>0–1</td><td>>1</td><td>3–4</td></tr></tbody></table><p>Note. To the exception of the newly described species, body measurements for all other species were extracted or estimated from Crusz and Ching [12], Diengdoh and Tandon [13], Fan et al. [19, 20], Meng et al. [33], Shen et al. [40], Yamaguti [53] and Zhang and Long [54].</p><p>“–” means data missing.</p>
Table 3 in Indopolystoma n. gen. (Monogenea, Polystomatidae) with the description of three new species and reassignment of eight known Polystoma species from Asian frogs (Anura, Rhacophoridae)
<p><b>Table 3.</b> Matrix of 28S <i>p</i> -distances (lower left) and total differences (upper right) inferred from pairwise comparisons in MEGA7. <i>B. w.</i> refers to <i>B. wittei</i> and <i>Z. s.</i> to <i>Z. smaragdinus</i>. See also Table 1 for other host species.</p><table><tbody><tr><th></th><th>[1]</th><th>[2]</th><th>[3]</th><th>[4]</th><th>[5]</th><th>[6]</th><th>[7]</th><th>[8]</th><th>[9]</th><th>[10]</th><th>[11]</th><th>[12]</th><th>[13]</th><th>[14]</th></tr></tbody><tbody><tr><th><i>Polystoma cuvieri</i> [1]</th><td>0</td><td>29</td><td>17</td><td>42</td><td>41</td><td>42</td><td>41</td><td>58</td><td>55</td><td>79</td><td>59</td><td>58</td><td>232</td><td>206</td></tr><tr><th><i>Polystoma gallieni</i> [2]</th><td>0.022</td><td>0</td><td>38</td><td>57</td><td>54</td><td>55</td><td>54</td><td>79</td><td>73</td><td>94</td><td>69</td><td>69</td><td>231</td><td>206</td></tr><tr><th><i>Polystoma naevius</i> [3]</th><td>0.013</td><td>0.029</td><td>0</td><td>49</td><td>48</td><td>49</td><td>48</td><td>64</td><td>60</td><td>80</td><td>69</td><td>65</td><td>233</td><td>205</td></tr><tr><th><i>Indopolystoma</i> sp. (ex <i>Z. s.</i>) [4]</th><td>0.032</td><td>0.044</td><td>0.038</td><td>0</td><td>5</td><td>6</td><td>5</td><td>60</td><td>56</td><td>82</td><td>49</td><td>43</td><td>233</td><td>195</td></tr><tr><th><i>Indopolystoma viridi</i> n. sp. [5]</th><td>0.032</td><td>0.042</td><td>0.037</td><td>0.004</td><td>0</td><td>3</td><td>2</td><td>59</td><td>57</td><td>81</td><td>50</td><td>44</td><td>221</td><td>196</td></tr><tr><th><i>Indopolystoma parvum</i>. n. sp. [6]</th><td>0.032</td><td>0.042</td><td>0.038</td><td>0.005</td><td>0.002</td><td>0</td><td>3</td><td>60</td><td>58</td><td>82</td><td>51</td><td>45</td><td>223</td><td>196</td></tr><tr><th><i>Indopolystoma elongatum</i> n. sp. [7]</th><td>0.032</td><td>0.042</td><td>0.037</td><td>0.004</td><td>0.002</td><td>0.002</td><td>0</td><td>59</td><td>57</td><td>81</td><td>50</td><td>44</td><td>223</td><td>196</td></tr><tr><th><i>Eupolystoma alluaudi</i> [8]</th><td>0.045</td><td>0.061</td><td>0.049</td><td>0.046</td><td>0.045</td><td>0.046</td><td>0.045</td><td>0</td><td>50</td><td>79</td><td>75</td><td>70</td><td>241</td><td>214</td></tr><tr><th><i>Kankana manampoka</i> [9]</th><td>0.042</td><td>0.056</td><td>0.046</td><td>0.043</td><td>0.044</td><td>0.045</td><td>0.044</td><td>0.038</td><td>0</td><td>66</td><td>69</td><td>59</td><td>239</td><td>211</td></tr><tr><th><i>Madapolystoma</i> sp. (ex <i>B. w.</i>) [10]</th><td>0.061</td><td>0.072</td><td>0.062</td><td>0.063</td><td>0.062</td><td>0.063</td><td>0.062</td><td>0.061</td><td>0.051</td><td>0</td><td>89</td><td>89</td><td>231</td><td>205</td></tr><tr><th><i>Diplorchis ranae</i> [11]</th><td>0.045</td><td>0.053</td><td>0.053</td><td>0.038</td><td>0.038</td><td>0.039</td><td>0.038</td><td>0.058</td><td>0.053</td><td>0.068</td><td>0</td><td>20</td><td>227</td><td>197</td></tr><tr><th><i>Parapolystoma bulliense</i> [12]</th><td>0.045</td><td>0.053</td><td>0.05</td><td>0.033</td><td>0.034</td><td>0.035</td><td>0.034</td><td>0.054</td><td>0.045</td><td>0.068</td><td>0.015</td><td>0</td><td>228</td><td>193</td></tr><tr><th><i>Pseudodiplorchis americanus</i> [13]</th><td>0.178</td><td>0.178</td><td>0.179</td><td>0.172</td><td>0.17</td><td>0.172</td><td>0.172</td><td>0.185</td><td>0.184</td><td>0.178</td><td>0.175</td><td>0.175</td><td>0</td><td>176</td></tr><tr><th><i>Pseudopolystoma dendriticum</i> [14]</th><td>0.158</td><td>0.158</td><td>0.158</td><td>0.15</td><td>0.151</td><td>0.151</td><td>0.151</td><td>0.165</td><td>0.162</td><td>0.158</td><td>0.152</td><td>0.148</td><td>0.135</td><td>0</td></tr></tbody></table>
Table 1 in Indopolystoma n. gen. (Monogenea, Polystomatidae) with the description of three new species and reassignment of eight known Polystoma species from Asian frogs (Anura, Rhacophoridae)
<p><b>Table 1.</b> Species of polystomes investigated with their 18S, 28S, 12S and COI GenBank Accession numbers. <i>Indopolystoma</i> spp. were considered earlier as <i>Polystoma</i> spp. in Verneau et al. [51], Badets et al. [2] and Héritier et al. [22].</p><table><tbody><tr><th>Polystome species</th><th>Host species</th><th>Family</th><th>Country</th><th>18S 28S 12S COI</th></tr></tbody><tbody><tr><th><i>Diplorchis ranae</i></th><td><i>Glandirana rugosa</i></td><td>Ranidae</td><td>Japan</td><td>AM157184 AM157198 KR856070 JF699304</td></tr><tr><th><i>Eupolystoma alluaudi</i></th><td><i>Bufo</i> sp.</td><td>Bufonidae</td><td>Togo</td><td>AM051066 AM157199 KR856072 FR667558</td></tr><tr><th><i>Kankana manampoka</i></th><td><i>Platypelis pollicaris</i></td><td>Microhylidae</td><td>Madagascar</td><td>HM854292 HM854293 KR856074 JF699307</td></tr><tr><th><i>Madapolystoma</i> sp.</th><td><i>Blommersia wittei</i></td><td>Mantellidae</td><td>Madagascar</td><td>FM897290 FM897273 KR856075 JF699308</td></tr><tr><th><i>Indopolystoma elongatum</i> n. sp.</th><td><i>Zhangixalus arboreus</i></td><td>Rhacophoridae</td><td>Japan</td><td>AM157190 AM157213 KR856094 KR856170</td></tr><tr><th><i>Indopolystoma parvum</i> n. sp.</th><td><i>Z. omeimontis</i></td><td>Rhacophoridae</td><td>China</td><td>AM157189 AM157212 KR856093 KR856169</td></tr><tr><th><i>Indopolystoma viridi</i> n. sp.</th><td><i>Z. viridis</i></td><td>Rhacophoridae</td><td>Japan</td><td>AM157191 AM157214 KR856095 MN564839</td></tr><tr><th><i>Indopolystoma</i> * sp.</th><td><i>Z. smaragdinus</i></td><td>Rhacophoridae</td><td>India</td><td>AM157193 AM157216 KR856085 MN564838</td></tr><tr><th><i>Parapolystoma bulliense</i></th><td><i>Litoria gracilenta</i></td><td>Hylidae</td><td>Australia</td><td>AM157186 AM157202 KR856079 KR856166</td></tr><tr><th><i>Polystoma cuvieri</i></th><td><i>Physalaemus cuvieri</i></td><td>Leptodactylidae</td><td>Paraguay</td><td>AM051068 AM157203 KR856080 AM913862</td></tr><tr><th><i>Polystoma gallieni</i></th><td><i>Hyla meridionalis</i></td><td>Hylidae</td><td>France</td><td>AM051070 AM157205 KR856084 JF699305</td></tr><tr><th><i>Polystoma naevius</i></th><td><i>Smilisca baudinii</i></td><td>Hylidae</td><td>Costa Rica</td><td>AM157187 AM157209 KR856089 AM913864</td></tr><tr><th><i>Pseudodiplorchis americanus</i></th><td><i>Scaphiopus couchii</i></td><td>Scaphiopodidae</td><td>USA</td><td>AM051079 AM157219 KR856097 KR856173</td></tr><tr><th><i>Pseudopolystoma dendriticum</i></th><td><i>Onychodactylus japonicus</i></td><td>Hynobiidae</td><td>Japan</td><td>FM992700 FM992707 KR856122 KR856180</td></tr></tbody></table><p><sup>*</sup> This undescribed polystome species, which was recovered from <i>R. maximus</i> of India, was tentatively considered as <i>P. indicum</i> in Verneau et al. [51], Badets et al. [2] and Héritier et al. [22]. Its host species, which was originally considered as <i>R. maximus</i>, should bear the nomen <i>Z. smaragdinus</i>.</p>
Table 2 in Indopolystoma n. gen. (Monogenea, Polystomatidae) with the description of three new species and reassignment of eight known Polystoma species from Asian frogs (Anura, Rhacophoridae)
<p><b>Table 2.</b> Matrix of COI <i>p</i> -distances (lower left) and total differences (upper right) inferred from pairwise comparisons in MEGA7. <i>B. w.</i> refers to <i>B. wittei</i> and <i>Z. s.</i> to <i>Z. smaragdinus</i>. See also Table 1 for other host species.</p><table><tbody><tr><th></th><th>[1]</th><th>[2]</th><th>[3]</th><th>[4]</th><th>[5]</th><th>[6]</th><th>[7]</th><th>[8]</th><th>[9]</th><th>[10]</th><th>[11]</th><th>[12]</th><th>[13]</th><th>[14]</th></tr></tbody><tbody><tr><th><i>Polystoma cuvieri</i> [1]</th><td>0</td><td>50</td><td>49</td><td>65</td><td>72</td><td>64</td><td>69</td><td>78</td><td>70</td><td>72</td><td>64</td><td>67</td><td>75</td><td>69</td></tr><tr><th><i>Polystoma gallieni</i> [2]</th><td>0.146</td><td>0</td><td>55</td><td>64</td><td>66</td><td>61</td><td>64</td><td>78</td><td>67</td><td>73</td><td>67</td><td>71</td><td>80</td><td>69</td></tr><tr><th><i>Polystoma naevius</i> [3]</th><td>0.143</td><td>0.161</td><td>0</td><td>51</td><td>55</td><td>54</td><td>64</td><td>70</td><td>69</td><td>67</td><td>60</td><td>66</td><td>77</td><td>70</td></tr><tr><th><i>Indopolystoma</i> sp. (ex <i>Z. s.</i>) [4]</th><td>0.19</td><td>0.187</td><td>0.149</td><td>0</td><td>35</td><td>43</td><td>47</td><td>79</td><td>64</td><td>71</td><td>70</td><td>56</td><td>74</td><td>74</td></tr><tr><th><i>Indopolystoma viridi</i> n. sp. [5]</th><td>0.211</td><td>0.193</td><td>0.161</td><td>0.102</td><td>0</td><td>36</td><td>50</td><td>75</td><td>67</td><td>75</td><td>69</td><td>64</td><td>70</td><td>71</td></tr><tr><th><i>Indopolystoma parvum</i> n. sp. [6]</th><td>0.187</td><td>0.178</td><td>0.158</td><td>0.126</td><td>0.105</td><td>0</td><td>49</td><td>80</td><td>68</td><td>80</td><td>63</td><td>69</td><td>79</td><td>75</td></tr><tr><th><i>Indopolystoma elongatum</i> n. sp. [7]</th><td>0.202</td><td>0.187</td><td>0.187</td><td>0.137</td><td>0.146</td><td>0.143</td><td>0</td><td>78</td><td>68</td><td>75</td><td>75</td><td>67</td><td>74</td><td>73</td></tr><tr><th><i>Eupolystoma alluaudi</i> [8]</th><td>0.228</td><td>0.228</td><td>0.205</td><td>0.231</td><td>0.219</td><td>0.234</td><td>0.228</td><td>0</td><td>71</td><td>77</td><td>76</td><td>78</td><td>89</td><td>78</td></tr><tr><th><i>Kankana manampoka</i> [9]</th><td>0.205</td><td>0.196</td><td>0.202</td><td>0.187</td><td>0.196</td><td>0.199</td><td>0.199</td><td>0.208</td><td>0</td><td>56</td><td>65</td><td>66</td><td>77</td><td>77</td></tr><tr><th><i>Madapolystoma</i> sp. (ex <i>B. w.</i>) [10]</th><td>0.211</td><td>0.213</td><td>0.196</td><td>0.208</td><td>0.219</td><td>0.234</td><td>0.219</td><td>0.225</td><td>0.164</td><td>0</td><td>78</td><td>77</td><td>71</td><td>87</td></tr><tr><th><i>Diplorchis ranae</i> [11]</th><td>0.187</td><td>0.196</td><td>0.175</td><td>0.205</td><td>0.202</td><td>0.184</td><td>0.219</td><td>0.222</td><td>0.19</td><td>0.228</td><td>0</td><td>65</td><td>72</td><td>76</td></tr><tr><th><i>Parapolystoma bulliense</i> [12]</th><td>0.196</td><td>0.208</td><td>0.193</td><td>0.164</td><td>0.187</td><td>0.202</td><td>0.196</td><td>0.228</td><td>0.193</td><td>0.225</td><td>0.19</td><td>0</td><td>71</td><td>78</td></tr><tr><th><i>Pseudodiplorchis americanus</i> [13]</th><td>0.219</td><td>0.234</td><td>0.225</td><td>0.216</td><td>0.205</td><td>0.231</td><td>0.216</td><td>0.26</td><td>0.225</td><td>0.208</td><td>0.211</td><td>0.208</td><td>0</td><td>82</td></tr><tr><th><i>Pseudopolystoma dendriticum</i> [14]</th><td>0.202</td><td>0.202</td><td>0.205</td><td>0.216</td><td>0.208</td><td>0.219</td><td>0.213</td><td>0.228</td><td>0.225</td><td>0.254</td><td>0.222</td><td>0.228</td><td>0.24</td><td>0</td></tr></tbody></table>
FIG. 15. — A1-A3 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 15. — A1-A3, Pseudaganides subbiangulatus (d'Orbigny, 1850), specimen 2023.PB.N155, la Crèche, Lower Callovian, Gracilis Zone; B1-B3, Belmonticeras subsinuatum (d'Orbigny, 1850), specimen 2023.PB.N150, Chauray, Lower Bajocian, Laeviuscula Zone; C, Pseudaganides subbiangulatus, specimen 2023. PB.N110, detail of the well preserved and particular aperture, Bougon, Lower Callovian, Gracilis Zone, Patina Subzone, Boginense Horizon. *, end of the phragmocone. Scale bars: 1 cm.
FIG. 14. — A1-A3 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 14. — A1-A3, Pseudaganides subbiangulatus (d'Orbigny, 1850), specimen 2023.PB.N144, la Grève quarry near Saint-Laon, Middle Callovian, Anceps Zone; B1-B3, Pseudaganides dimidiatus Marchand & Tintant, 1971, specimen 2023.PB.N126, la Grève quarry, Middle Callovian, Anceps Zone; C1-C3, Pseudaganides aganiticus (Schlotheim, 1820), specimen 2023.PB.N111, Montreuil-Bellay (Maine-et-Loire), Upper Callovian, Athleta Zone, Trezeense Subzone. *, end of the phragmocone. Scale bars: 1 cm.
FIG. 13. — A in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 13. — A, Antaganides cf. erycinus (Tagliarini, 1901), n. comb., specimen 2023.PB.N129, with its preserved muscle scar, Niort, Upper Bajocian, Niortense Zone; B, Antaganides cf. erycinus (Tagliarini, 1901), n. comb.,specimen 2023.PB.N148, with its siphuncle,viaduc de l'Égray, Upper Bajocian,Niortense Zone; C, Pseudaganides crechensis n. sp., specimen 2023.PB.N143, newly hatched shell showing its reticulate ornamentation on the phragmocon; D1-D3, Pseudaganides subbiangulatus (d'Orbigny, 1850),specimen 2023.PB.N110, full grown shell with its well preserved aperture,Bougon,Lower Callovian,Gracilis Zone,Patina Subzone,Boginense Horizon; E1-E3, Pseudaganides subbiangulatus, specimen 2023.PB.N112, Niort,Middle Callovian,Anceps Zone,Stuebeli Subzone.*, end of the phragmocone. Scale bars:1 cm.
FIG. 11. — A1-A3, Antaganides grulkei n. gen., n in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 11. — A1-A3, Antaganides grulkei n. gen., n. sp., holotype (2023.PB.N97), adult shell, les Hauts-de-Rochefort quarry, Middle Bathonian, Progracilis Zone; B1-B3, Antaganides grulkei n. gen., n. sp., specimen 2023.PB.N134, Champs-Albert near la Crèche, Upper Bathonian, base of the Retrocostatum Zone; C1-C3, Pseudaganides aquitanense n. sp., holotype (2023.PB.N96), adult shell, Aiffres, Upper Bathonian, Retrocostatum Zone; D1, D2, Pseudaganides aquitanense n. sp., specimen 2023.PB.N106, Champs-Albert near la Crèche, Upper Bathonian, Retrocostatum Zone; E1, E2, Pseudaganides aquitanense n. sp., paratype (2023.PB.N124), bed 8b, Buffevent quarry near Niort, Upper Bathonian, Retrocostatum Zone. *, end of the phragmocone. Scale bars: 1 cm.
FIG. 10 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 10. — Evolution of the size of the adult shell and phragmocone among the different species of Antaganides n. gen. and Pseudaganides Spath, 1927 for full grown shells.
FIG. 12. — A1-A3, Pseudaganides buffeventi n in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 12. — A1-A3, Pseudaganides buffeventi n. sp., holotype (2023.PB.N76), adult shell, bed 9, Buffevent quarry near Niort, Lower Callovian, Bullatus Zone; B1-B3, Pseudaganides buffeventi n. sp., specimen 2023.PB.N102, adult shell, Salles, Lower Callovian, Bullatus Zone; C1-C3, Pseudaganides crechensis n. sp., holotype (2023.PB.N107), Champs-Albert near la Crèche, Lower Callovian, Gracilis Zone, Prahecquense Subzone. *, end of the phragmocone. Scale bars: 1 cm.
FIG. 9 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 9. — Ratio "P/L" of the depth of the width of the lateral lobe compared with its width among the different species of Antaganides n. gen. and Pseudaganides Spath, 1927.
FIG. 8 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 8. — Ratio "W/H" of the shell among the different species of Antaganides n. gen. and Pseudaganides Spath, 1927.
FIG. 6 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 6. — Ratio "w" of the width of the whorl compared with the diameter of the shell (W/D) among the different species of Antaganides n. gen. and Pseudaganides Spath, 1927.
FIG. 4 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 4. — Suture lines of Antaganides n. gen. and Pseudaganides Spath, 1927: A, Antaganides cf. erycinus (Tagliarini,1901), n. comb., 2023.PB.N117; B, Antaganides sauvageti n. gen., n. sp. 2023.PB.N64; C, Antaganides fournieri n. gen., n. sp., 2023.PB.N105; D, Pseudaganides aquitanense n. sp., 2023.PB.N96; E, Pseudaganides buffeventi n. sp., 2023.PB.N76; F, Pseudaganides crechensis n. sp., 2023.PB.N107; G, Pseudaganides subbiangulatus (d'Orbigny, 1850), 2023. PB.N73, Patina Zone; H, Pseudaganides subbiangulatus, 2023.PB.N112, Anceps Zone.
FIG. 5 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 5. — Ratio "h" of the height of the whorl compared with the diameter of the shell (H/D) among the different species of Antaganides n. gen. and Pseudaganides Spath, 1927.
FIG. 3. — A1-A3 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 3. — A1-A3, Antaganides cf. erycinus (Tagliarini,1901), n. comb., specimen 2023.PB.N117, bed 32, viaduc de l'Égray, Upper Bajocian, Niortense Zone; B1-B3, Antaganides sauvageti n. gen., n. sp., holotype (2023.PB.N64), viaduc de l'Égray, Lower Bathonian, Zigzag Zone; C1-C3, Antaganides fournieri n. gen., n. sp., holotype (2023.PB.N105), adult shell, les Hauts-de-Rochefort quarry, Middle Bathonian, Progracilis Zone. *, end of the phragmocone. Scale bars: 2 cm.
FIG. 7 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 7. — Ratio "u" of the umbilical width compared with the diameter of the shell (U/D) among the different species of Antaganides n. gen. and Pseudaganides Spath, 1927.
FIG. 1 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae
FIG. 1. — Geographical map reporting the position of the localities that provided specimens of Antaganides n. gen. and Pseudaganides Spath, 1927: 1, Buffevent quarry; 2, Niort; 3, Aiffres; 4, Trotte-buie quarry; 5, A83 highway trench at Viaduc de l'Égray; 6, Les Lucs (Échiré); 7, Chaban-de-Chauray; 8, La Crèche; 9, Salles; 10, Bougon; 11, Les Hauts-de-Rochefort quarry; 12, Les Maisons-Blanches; 13, La Grève quarry near Saint-Laon; 14, Montreuil-Bellay.
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