Didymocystis opercularis Yamaguti, 1938
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Identity & source status
- Scientific name
- Didymocystis opercularis Yamaguti, 1938
- Name authority
- Yamaguti, 1938
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Platyhelminthes
- Class
- Trematoda
- Order
- Plagiorchiida
- Family
- Didymozoidae
- Genus
- Didymocystis
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: yes · Freshwater: no · Terrestrial: no. These do not form a complete habitat description.
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumPlatyhelminthes Minot, 1876
- subphylumRhabditophora Ehlers, 1985
- classTrematoda
- subclassDigenea Carus, 1863
- orderPlagiorchiida La Rue, 1957
- suborderHemiurata Skrjabin & Guschanskaja, 1954
- superfamilyHemiuroidea Looss, 1899
- familyDidymozoidae Monticelli, 1888
- subfamilyDidymozoinae Monticelli, 1888
- tribeDidymozoini Monticelli, 1888
- genusDidymocystis Ariola, 1902
- speciesDidymocystis opercularis Yamaguti, 1938
Close classified relatives
These entries share the source’s genus, Didymocystis. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Didymocystis abdominalis Yamaguti, 1938 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis alalongae Yamaguti, 1938 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis albacari Pozdnyakov, 1996 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis chorinemi Pozdnyakov, 1996 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis dolichorchis (Gu & Shen, 1983) Murugesh & Madhavi, 1995 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis guttata Murugesh & Madhavi, 1995 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis katsuwoni (Yamaguti, 1970) Pozdnyakov, 1996 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis komoroensis (Nikolaeva & Dubina, 1978) Kamegai & Araki, 1995 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis margolisi Kamegai & Araki, 1995 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis miliaris Yamaguti, 1938 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis neothunni (Yamaguti, 1970) Pozdnyakov, 1996 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Didymocystis radiata Ku & Shen, 1965 | DidymozoidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Didymocystoides opercularis (Yamaguti, 1938) Yamaguti, 1970 (Yamaguti, 1938) Yamaguti, 1970 | synonym |
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- Yamaguti, S. (1938). Studies on the helminth fauna of Japan. Part 24. Trematodes of fishes, V. Japanese Journal of Zoology, 8, 15–74. Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:35YRB. Classification follows source parent identifiers. English common names may vary by region.