File:Symmetric and asymmetric animal genitalia.jpg
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English: Pairwise examples of animal species with asymmetric (top row) male genitalia and their counterparts in related symmetric species (bottom row). A, Limnodrilus cervix Brinckhurst 1963: Tubificidae: Oligochaeta: Annelida (penis, after Stimpson et al. 1982); B, Limnodrilus hoffmeisteri Claparède 1862: Tubificidae: Oligochaeta: Annelida (penis, after Stimpson et al. 1982); (note, however, that the penes in Limnodrilus are paired;) C, Metagonia mariguitarensis (González-Sponga 1998): Pholcidae: Araneae: Arthropoda (right and left palp, after Huber 2000); D, Metagonia tingo Huber 2000: Pholcidae: Aranaea: Arthropoda (left and right palp, after Huber 2000); E, Sus scrofa L. 1758: Suidae: Mammalia: Chordata (penis, after Nickel-Schummer-Seiferle 1960 in Prasad 1970); F, Dama dama (L. 1758): Cervidae: Mammalia: Chordata (penis, after Mandowsky 1927 in Prasad 1970); G, Gieysztoria dodgei (Graff 1911): Dalyelliidae: Rhabdocoela: Platyhelminthes (genital armature, after Graff 1911); H, Microdalyellia fairchildi (Graff 1911): Dalyelliidae: Rhabdocoela: Platyhelminthes (genital armature, after Graff 1911); I, Tetrameres spirospiculum Pinto & Vicente 1995: Tetrameridae: Spirurida: Nematoda (spicules, after Pinto & Vicente 1995); J, Oswaldocruzia tcheprakovae Ben Slimane & Durette-Desset 1996: Molineidae: Strongylida: Nematoda (spicules, after Ben Slimane & Durette-Desset 1996). (All figured in ventrodorsal view, except C and D, which are figured in retrolateral and prolateral view, respectively.) |
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| Source | Own work |
| Author | Schilthuizen |
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| current | 04:27, 16 September 2015 | | 1,706 × 1,179 (464 KB) | Schilthuizen (talk | contribs) | User created page with UploadWizard |
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