Abstract
Two new species of the genus Panaietis (Copepoda: Cyclopoida: Anthessiidae) inhabiting the inside of the mouth cavities of marine snails are described from shallow waters of southern Japan. Panaietis bobocephala sp. nov. collected from the small abalone, Haliotis asinina (Vetigastropoda: Lepetellida: Haliotidae), is mainly characterized by the well-developed posterolateral corners of tergite on first pediger, the pointed spines on legs 1 to 5, the maxilla with two teeth, and the leg armature formula. Panaietis flavellata sp. nov. from Angaria neglecta (Vetigastropoda: Trochida: Angariidae) is characterized by the combination of following: leg 5 is situated on ventral side of the fifth pediger, inner margin of the second segment of antenna greatly protruded, and the leg armature formula.
References
Avdeev, G.V. & Kazachenko, V.N. (1986) Parasitic copepods from fishes of the genus Lophiomus Gill in the Pacific. Crustaceana, 50, 53–67.
https://doi.org/10.1163/156854085x00071
Boxshall, G.A. & Halsey, S.H. (2004) An Introduction to Copepod Diversity. The Ray Society, London, 966 pp.
Conradi, M., Marin, I. & Martin, D. (2012) An unexpected parasitic relationship between a new species of Anthessius (Copepoda: Cyclopoida) and a decapod crustacean, Alpheus macrocheles (Hailstone, 1835) from the NW Mediterranean Sea. Journal of Crustacean Biology, 32, 860–870.
https://doi.org/10.1163/193724012x640281
Ho, J.-S. (1981) Parasitic Copepoda of gastropods from the Sea of Japan. Report of the Sado Marine Biological Station, Niigata University, 11, 23–41.
Humes, A.G. (1986) Myicola metisiensis (Copepoda: Poecilostomatoida), a parasite of the bivalve Mya arenaria in eastern Canada, redefinition of the Myicolidae, and diagnosis of the Anthessiidae n. fam. Canadian Journal of Zoology, 64, 1021–1033.
https://doi.org/10.1139/z86-152
Humes, A.G. & Gooding, R.U. (1964) A method for studying the external anatomy of copepods. Crustaceana, 6, 238–240.
https://doi.org/10.1163/156854064x00650
Izawa, K. (1976) Two new parasitic copepods (Cyclopoida: Myicolidae) from Japanese gastropod molluscs. Publications of the Seto Marine Biological Laboratory, 23, 213–227.
https://doi.org/10.5134/175940
Kim, I.-H. (1998) Cirripedia, Symbiotic Copepoda, and Pycnogonida. Illustrated Encyclopedia of Fauna & Flora of Korea. Vol. 38. Ministry of Education, Seoul, 1038 pp. [in Korean]
Monod, T. (1934) Notes on the bionomics of Trochus niloticus Linn. 3. Sur un Copépode parasite de Trochus niloticus. Records of the Indian Museum, 36, 213–218.
Monod, T. & Dollfus, R.P. (1932) Les copépodes parasites de mollusques. Annales de Parasitologie Humaine et Comparée, 10, 129–204.
https://doi.org/10.1051/parasite/1932102129
Monod, T. & Dollfus, R.P. (1934) Des Copépodes parasites de mollusques (deuxième supplément). Annales de Parasitologie Humaine et Comparée, 12, 309–321.
https://doi.org/10.1051/parasite/1934124309
Sars, G.O. (1918) Copepoda Cyclopoida. Parts XIII & XIV. Lichomolgidae (concluded), Oncaeidae, Corycaeidae, Ergasilidae, Clausiidae, Eunicicolidae, Supplement. An Account of the Crustacea of Norway, with short descriptions and figures of all the species. Bergen Museum, Bergen, 6, 173–225.
Stebbing, T.R.R. (1900) On Crustacea brought by Dr. Willey from the South Seas. Zoological Results Based on Material from New Britain, New Guinea, Loyalty Islands and Elsewhere Collected during the Years 1895, 1896 and 1897, 5, 605–690.
Uyeno, D. (2016) Copepods (Cyclopoida) associated with top shells (Vestigastropoda: Trochoidea: Tegulidae) from coastal waters in southern Japan, with descriptions of three new species. Zootaxa, 4200, 109–130.
https://doi.org/10.11646/zootaxa.4200.1.4
Uyeno, D. & Hirose, E. (2018) Lomanoticola nishiharai n. sp., a new species of copepod parasitic on the facelinid nudibranch, Sakuraeolis enosimensis (Baba, 1930), from the Seto Inland Sea, western Japan, including histological observations of the female lateral body process. Zoological Science, 35, 382–387.
https://doi.org/10.2108/zs180006
Uyeno, D. & Nagasawa, K. (2012a) Four new species of splanchnotrophid copepods (Poecilostomatoida) parasitic on doridacean nudibranchs (Gastropoda, Opistobranchia) from Japan, with proposition of one new genus. ZooKeys, 247, 1–29.
https://doi.org/10.3897/zookeys.247.3698
Uyeno, D. & Nagasawa, K. (2012b) New species of the copepod genus Anthessius Della Valle, 1880 (Poecilostomatoida: Anthessiidae) from Turbo marmoratus Linnaeus (Gastropoda: Turbinidae) collected during the KUMEJIMA 2009 Expedition. Zootaxa, 3367, 60–68.
Uyeno, D., Ogasaka, R. & Nagasawa, K. (2016) Nippoparasitus unoashicola, a new genus and species of philoblennid copepod (Cyclopoida) parasitic on the Pacific sugar limpet, Patelloida saccharina (Linnaeus, 1758) (Patellogastropoda: Lottiidae) from the intertidal zone of eastern Japan. Zootaxa, 4174 (1), 386–395.
https://doi.org/10.11646/zootaxa.4174.1.23
Yamaguti, S. (1936) 6. Parasitic copepods from mollusks of Japan, I. Japanese Journal of Zoology, 7, 113–127.