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Smithsonian National Museum of Natural History
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Department of Invertebrate Zoology

copepoda,Pontellina plumata

A drawing by Giesbrecht (1892) of the Copepoda, Pontellina plumata Claus, 1863

bar Chad Walter Image

T. Chad Walter
Museum Specialist


  • Phone: 301-238-1764
  • Fax: 301-238-1833
  • E-mail: walterc@si.edu

  • Mailing and Courier Delivery Address:
    Smithsonian Institution
    Department of Invertebrate Zoology
    Museum Support Center, MRC 534
    4210 Silver Hill Road
    Suitland, MD 20746
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    Responsibilities: Museum collection care and maintenance, transaction, website and database management.

    Professional Activities: Treasurer of the Biological Society of Washington, maintain World of Copepods Website

    Selected Publications:
    Walter, T.C., L. Talaue & J.N. Pasamonte 1982 A preliminary quantitative study on emergence of reef associated zooplankton from a Philippine coral reef. Proceedings of the 4th International Coral Reef Symposium, 1980: 443-451.

    Walter, T.C. 1984 New species of Pseudodiaptomus from the Indo-Pacific, with a clarification of P. aurivilli and P. mertoni (Crustacea: Copepoda: Calanoida). Proceedings of the Biological Society of Washington 97(2):369-391, figs. 1-8.

    Walter, T.C. 1986 The zoogeography of the genus Pseudodiaptomus (Calanoida: Pseudodiaptomidae). In: Schriever, G., H.K. Schminke & C.T. Shih (eds.). Proceedings of the 2nd International Conference on Copepoda, Ottawa, Canada, 13-17 August, 1984. Syllogeus
    58:502-508, fig. 1, tab. 1.

    Walter, T.C. 1986 New and poorly known Indo-Pacific species of Pseudodiaptomus (Copepoda: Calanoida), with a key to the species groups. Journal of Plankton Research
    8(1):129-168, figs. 1-14, tab. 1.

    Walter, T.C. 1987 Review of the taxonomy and distribution of the demersal copepod genus Pseudodiaptomus (Calanoida: Pseudodiaptomidae) from southern Indo-West Pacific waters. Australian Journal of Marine and Freshwater Research 38(3):363-396, figs. 1-15.

    Walter, T.C. 1989 Review of the New World species of Pseudodiaptomus (Copepoda: Calanoida), with a key to the species. Bulletin of Marine Science 45(3):590-628, figs. 1-18.

    Orsi, J.J. & T.C. Walter 1991 Pseudodiaptomus forbesi and P. marinus (Copepoda: Calanoida), the latest copepod immigrants to California's Sacramento-San Joaquin Estuary. In: Uye, S.I., S. Nishida & J.S. Ho (eds.). Proceedings of the 4th International Conference on Copepoda. Bulletin of Plankton Society of Japan, Special Volume: 553-562.

    Walter, T.C. 1994 A clarification of two congeners, Pseudodiaptomus lobipes and P. binghami (Calanoida, Pseudodiaptomidae) from India, with description of P. mixtus sp.n. from Bangladesh. In: Ferrari, F.D. & B.P. Bradley (eds.). Ecology and Morphology of Copepods. Developments in Hydrobiology 102, Hydrobiologia 292/293:123-130, fig.1-3, tab.1-2.

    Walter, T.C. 1998 A redescription of Pseudodiaptomus salinus (Giesbrecht, 1896) and a new species from the Arabian Sea (Copepoda, Calanoida, Pseudodiaptomidae). In: Dahms, H.U., T. Glatzel, H.J. Hirche, S. Schiel & H.K. Schminke, (eds.). Proceedings of the 6th International Conference on Copepoda, Journal of Marine Systems, Special Volume 15(1-4):451-456, figs.1-2.

    Walter, T.C., S. Ohtsuka, S. Putchakarn, K. Pinkaew & S. Chullasorn 2002 Redescription of two species of Pseudodiaptomus from Asia and Australia (Crustacea: Copepoda: Calanoida: Pseudodiaptomidae) with discussion of the female genital structure and zoogeography of Indo-West Pacific species. Proceedings of the Biological Society of Washington 115 (3): 650-669.

    Walter, T.C., S. Ohtsuka & L.V. Castillo 2006 A new species of Pseudodiaptomus (Crustacea: Copepoda: Calanoida) from the Philippines, with a key to pseudodiaptomids from the Philippines and comments on the status of the genus Schmackeria. Proceedings of the Biological Society of Washington 119(2):202-221.

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