The botanical magazine = Shokubutsu-gaku-zasshi

, Volume 96, Issue 4, pp 351–358 | Cite as

Scrippsiella hexapraecingula sp. nov. (Dinophyceae), a tida pool dinoflagellate from the Northwest Pacific

  • Takeo Horiguchi
  • Mitsuo Chihara


Specimens of dinoflagellate collected in tide pools along the Pacific coast of central and southern Japan are described as a new species,Scrippsiella hexapraecingula Horiguchi et Chihara, of the Peridiniaceae (Class Dinophyceae). The plate formula is pp, x, 4′, 3a, 6″, 6c, 5‴, 2″" and, 5s, the same as that of other species ofScrippsiella, except in lacking one precingular plate. The genus must be emended, therefore, as having either six or seven precingular plates.

This dinoflagellate migrates diurnally. In the morning motile cells are released from non-motile cells attached to the substrate and in the evening the motile cells swim down to settle on the bottom of the tide pool. Attached non-motile cells form either motile mono- or bispores. Sexual reproduction was not observed.

Key words

Dinophyceae Diurnal migration Peridiniaceae Scrippsiella hexapraecingula sp. nov. Taxonomy of dinoflagellate 


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  1. Balech, E. 1974. El genero “Protoperidinium” Bergh 1881 (“Peridinium” Ehrenberg 1831, partim). Rev. Mus. Arg. Cienc. Nat.4: 1–79.Google Scholar
  2. Dale, B. 1977. New observations onPeridinium faeroense Paulsen (1905), and classification of small orthoperidinioid dinoflagellates. Br. phycol. J.12: 241–253.Google Scholar
  3. Harrison, P.J., R.E. Waters andF.J.R. Taylor. 1980. A broad spectrum artificial seawater medium for coastal and open ocean phytoplankton. J. Phycol.16: 28–35.CrossRefGoogle Scholar
  4. Hirano, R. 1967. Mechanism of development of red tide in estuarine waters. Inform. Bull. Planktol. Japan Commemoration number of Dr. Y. Matsue. 25–29 (in Japanese).Google Scholar
  5. Loeblich, A.R. III. 1968. A new marine dinoflagellate genusCachonina, in axenic culture from the Salton Sea, California with remarks on the genusPeridinium. Proc. Biol. Soc. Wash.81: 91–96.Google Scholar
  6. Loeblich, A.R. 1970. The amphiesma or dinoflagellate cell covering. Proc. North American Paleontol. Conv. PartG: 867–929.Google Scholar
  7. —. 1979. Redescription of the thecal tabulation ofScrippsiella gregaria (Lombard et Capon) comb. nov. (Pyrrhophyta) with light and scanning electron microscopy. Proc. Biol. Soc. Wash.92: 45–50.Google Scholar
  8. Lombard, E.H. andB. Capon. 1971a.Peridinium gregarium, a new species of dinoflagellate. J. Phycol.7: 184–187.CrossRefGoogle Scholar
  9. . 1971b. Observations on the tidepool ecology and behavior ofPeridinium gregarium. J. Phycol.7: 188–194.CrossRefGoogle Scholar
  10. Stafleu, F.A.,et al. 1978. International Code of Botanical Nomenclature adopted by the Twelfth International Botanical Congress, Leningrad, July 1975. Bohn, Scheltema & Holkema, Utrecht.Google Scholar
  11. Starr, R.C. 1978. The culture collection of algae at the University of Texas at Austin. J. Phycol.14 (suppl.): 47–100.CrossRefGoogle Scholar
  12. Steidinger, K.A. andE. Balech. 1977.Scrippsiella subsalsa (Ostenfeld) comb. nov. (Dinophyceae) with a discussion onScrippsiella. Phycologia.16: 69–73.Google Scholar
  13. Wall, D. andB. Dale. 1968. Quaternary calcareous dinoflagellates (Calciodinellideae) and their natural affinities. J. Pareontl.45: 1395–1408.Google Scholar

Copyright information

© The Botanical Society of Japan 1983

Authors and Affiliations

  • Takeo Horiguchi
    • 1
  • Mitsuo Chihara
    • 1
  1. 1.Institute of Biological SciencesUniversity of TsukubaIbaraki

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