WoRMS taxon details
Mesorchis Dietz, 1909
108486 (urn:lsid:marinespecies.org:taxname:108486)
accepted
Genus
Aequistoma Beaver, 1942 · unaccepted > junior subjective synonym
Beaverostomum Gupta, 1963 · unaccepted > junior subjective synonym
Pseudechinostomum Shchupakov, 1936 · unaccepted > junior subjective synonym (Pre-occupied)
- Species Mesorchis acridotherei Wang, 1976
- Species Mesorchis amurensis (Tatonova, Izrailskaia & Besprozvannykh, 2020) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis aylacostoma (Ostrowski de Núñez & Quintana, 2008) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis chasanensis (Besprozvannykh, Rozhkovan & Ermolenko, 2016) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis conciliatus Dietz, 1909
- Species Mesorchis denticulatus (Rudolphi, 1802) Dietz, 1909
- Species Mesorchis dogieli (Holcman-Spector & Olagüe, 1989) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis elongatus (Gupta & Jahan, 1979) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis fusca (Lal, 1939) Cajiao-Mora & Bullard in Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis gigantica (Gupta, 1963) Cajiao-Mora & Bullard in Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis gracilis (Mendheim, 1940) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis jacaretinga (Teixeira de Freitas & Lent, 1938) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis magniovatus (Yamaguti, 1939) Cajiao-Mora & Bullard in Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis microtestius Kurova, 1927
- Species Mesorchis nattereri (Ostrowski de Núñez, 2003) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis nigerica (Gupta, 1963) Cajiao-Mora & Bullard in Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis pandei (Nath, 1973) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis paradenticulatus (Nasir & Rodriguez, 1969) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis pendulus (Looss, 1899) Dietz, 1909
- Species Mesorchis pennanti Verma, 1936
- Species Mesorchis polycestus Dietz, 1909
- Species Mesorchis pseudodenticulatus (Mendheim, 1940) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis pseudoechinatus (Olsson, 1876) Dietz, 1909
- Species Mesorchis skrjabini Dotsenko in Skrjabin & Baschkirova, 1956
- Species Mesorchis tringae Wang, 1976
- Species Mesorchis uruguayensis (Holcman-Spector & Olagüe, 1989) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025
- Species Mesorchis advena (Shchupakov, 1936) Kurochkin, 1959 accepted as Stephanoprora advena (Shchupakov, 1936) Eslami & KIani, 2009 (Superseded combination)
- Species Mesorchis anomala (Travassos, 1922) Baschkirova, 1947 accepted as Stephanoprora anomala Travassos, 1922 (Superseded combination)
- Species Mesorchis bitamarae Krasnolobova & Sergeeva, 1964 accepted as Bashkirovitrema skrjabini Krasnolobova & Sergeeva, 1964 (unaccepted > junior objective synonym)
- Species Mesorchis camponica (Nasir & Diaz, 1971) accepted as Mesorchis jacaretinga (Teixeira de Freitas & Lent, 1938) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025 (unaccepted > junior subjective synonym)
- Species Mesorchis denticulatoides Issaitschikov, 1925 accepted as Stephanoprora denticulatoides (Issaitschikov, 1925) Beaver, 1937 accepted as Stephanoprora polycestus (Dietz, 1909) Beaver, 1937 accepted as Mesorchis polycestus Dietz, 1909 (unaccepted > superseded combination)
- Species Mesorchis iliensis Gvozdev, 1962 accepted as Stephanoprora iliensis (Gvozdev, 1962) (unaccepted > superseded combination)
- Species Mesorchis kasachi Baschkirova, 1941 accepted as Stephanoprora kasachi (Baschkirova, 1941) Yamaguti, 1958 (unaccepted > superseded combination)
- Species Mesorchis mahendrai Garg, 1965 accepted as Stephanoprora mahendrai (Garg, 1965) (unaccepted > superseded combination)
- Species Mesorchis mergi (Cannon, 1939) Skrjabin & Baschkirova, 1956 accepted as Echinochasmus mergi (Cannon, 1939) Odening, 1963 (unaccepted > superseded combination)
- Species Mesorchis ozakii Asada, 1926 accepted as Stephanoprora ozakii (Asada, 1927) Beaver, 1937 (unaccepted > superseded combination)
- Species Mesorchis podicipei (Etchegoin & Martorelli, 1997) accepted as Mesorchis uruguayensis (Holcman-Spector & Olagüe, 1989) Cajiao-Mora & Bullard in Cajiao-Mora, Dutton, Jacobs, Beytell, Netherlands, Du Preez & Bullard, 2025 (unaccepted > junior subjective synonym)
- Species Mesorchis pseudodenticulatus (Mendheim, 1940) Skrjabin & Baschkirova, 1956 accepted as Stephanoprora pseudodenticulata Mendheim, 1940 (unaccepted > superseded combination)
- Species Mesorchis reynoldi (Bhalerao, 1926) Skrjabin & Baschkirova, 1956 accepted as Stephanoprora polycestus (Dietz, 1909) Beaver, 1937 accepted as Mesorchis polycestus Dietz, 1909 (unaccepted > junior subjective synonym)
- Species Mesorchis singularis Lutz, 1924 accepted as Stephanoprora singularis (Lutz, 1924) Beaver, 1937 accepted as Echinoparyphium singularis (Lutz, 1924) Kohn & Fernandes, 1976 (unaccepted > superseded combination)
marine, terrestrial
masculine
Dietz, E. (1909). Die Echinostomiden der Vogel. <em>Zoologischer Anzeiger.</em> 34: 180–192. [details]
WoRMS (2025). Mesorchis Dietz, 1909. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=108486 on 2025-03-31
Date
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Nomenclature
original description
Dietz, E. (1909). Die Echinostomiden der Vogel. <em>Zoologischer Anzeiger.</em> 34: 180–192. [details]
original description (of Aequistoma Beaver, 1942) Beaver, P. C. (1942). Aequistoma, nom. nov. for Pseudechinostomum Shchupakov, 1936, preoccupied by Pseudechinostomum Odhner, 1911. <em>Proceedings of the Helminthological Society of Washington.</em> 9: 31.
page(s): 31 [details]
original description (of Pseudechinostomum Shchupakov, 1936) Shchupakov, I. G. (1936). Parasitic fauna of the Caspian seal. <em>Uchen. Zapiski Leningrad. Gosudarstv. Univ. Bubnov.</em> (7), s. Biol. (3): 134–143. (In Russian).
page(s): 137 [details]
original description (of Beaverostomum Gupta, 1963) Gupta, R. (1963). On Stephanoprora nigerica sp. nov., with a brief review of the genus Stephanoprora Odhner1902 (Trematoda : Echinostomatidae). <em>Zoologischer Anzeiger.</em> 170: 117–130.
note: nom, nov. pro Stephanoprora polycestus (Dietz, 1909) Odhner, 1911 of Beaver (1936) [details]
basis of record Gibson, D.I. (2001). Digenea, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 136-142 (look up in IMIS) [details]
original description (of Aequistoma Beaver, 1942) Beaver, P. C. (1942). Aequistoma, nom. nov. for Pseudechinostomum Shchupakov, 1936, preoccupied by Pseudechinostomum Odhner, 1911. <em>Proceedings of the Helminthological Society of Washington.</em> 9: 31.
page(s): 31 [details]
original description (of Pseudechinostomum Shchupakov, 1936) Shchupakov, I. G. (1936). Parasitic fauna of the Caspian seal. <em>Uchen. Zapiski Leningrad. Gosudarstv. Univ. Bubnov.</em> (7), s. Biol. (3): 134–143. (In Russian).
page(s): 137 [details]
original description (of Beaverostomum Gupta, 1963) Gupta, R. (1963). On Stephanoprora nigerica sp. nov., with a brief review of the genus Stephanoprora Odhner1902 (Trematoda : Echinostomatidae). <em>Zoologischer Anzeiger.</em> 170: 117–130.
note: nom, nov. pro Stephanoprora polycestus (Dietz, 1909) Odhner, 1911 of Beaver (1936) [details]
basis of record Gibson, D.I. (2001). Digenea, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 136-142 (look up in IMIS) [details]
Taxonomy
taxonomy source
Dietz, E. (1910). Die Echinostomiden der Vögel. <em>Zoologische Jahrbücher.</em> Suppl. 12, 3: 265–512.
page(s): 450 [details]
taxonomy source Cajiao-Mora, K.; Dutton, H.; Jacobs, F.; Beytell, P.; Netherlands, E.; DuPreez, L.; Bullard, S. (2025). Supplemental description of <i>Stephanoprora ornata</i> Odhner, 1902 (Digenea: Echinochasmidae) infecting the Nile crocodile, <i>Crocodylus niloticus</i> (Crocodylidae) from Namibia with emendation of <i>Mesorchis</i> Dietz, 1909 and a phylogenetic analysis. <em>Journal of Helminthology.</em> 99., available online at https://doi.org/10.1017/s0022149x25000100 [details]
page(s): 450 [details]
taxonomy source Cajiao-Mora, K.; Dutton, H.; Jacobs, F.; Beytell, P.; Netherlands, E.; DuPreez, L.; Bullard, S. (2025). Supplemental description of <i>Stephanoprora ornata</i> Odhner, 1902 (Digenea: Echinochasmidae) infecting the Nile crocodile, <i>Crocodylus niloticus</i> (Crocodylidae) from Namibia with emendation of <i>Mesorchis</i> Dietz, 1909 and a phylogenetic analysis. <em>Journal of Helminthology.</em> 99., available online at https://doi.org/10.1017/s0022149x25000100 [details]
Identification resource
identification resource
Baschkirova, E. J. (1947). Family Echinostomatidae Dietz, 1909. <em>Osnovy Trematodologii.</em> 1: 310–391. (In Russian, English translation, 1979, by Amerind Publishing Co.).
page(s): 370 [details]
identification resource Skrjabin, K. I.; Baschkirova, E. Y. (1956). Family Echinostomatidae Dietz, 1909. <em>Osnovy Trematodologii.</em> 12: 50–930.
page(s): 701 [details]
page(s): 370 [details]
identification resource Skrjabin, K. I.; Baschkirova, E. Y. (1956). Family Echinostomatidae Dietz, 1909. <em>Osnovy Trematodologii.</em> 12: 50–930.
page(s): 701 [details]