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The development of the ascidian Pyura microcosmus (Savigny)

Published online by Cambridge University Press:  11 May 2009

R. H. Millar
R. H. Millar
Affiliation:
The Marine Station, Millport
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Extract

Several recent papers have dealt with the development of members of the ascidian family Pyuridae (Hirai, 1941; Berrill, 1948; Millar, 1951; Sebastian, 1953), but the total number of species with known larvae is still only five, in spite of the large size of the family.

The present paper deals with the embryonic development, the larva, and the post-larval development of Pyura microcosmus (Savigny).

Information

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 33 , Issue 2 , June 1954 , pp. 403 - 407
Copyright
Copyright © Marine Biological Association of the United Kingdom 1954

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References

Berrill, N. J., 1948. The nature of the ascidian tadpole, with reference to Boltenia echinata. J. Morph., Vol. 82, pp. 269–85.Google Scholar
Conklin, E. G., 1905. The organization and cell-lineage of the ascidian egg. J. Acad. nat. Sci. Philad., Ser. 2, Vol. 13, pp. 1–119.Google Scholar
Hirai E., 1941. An outline of the development of Cynthia roretzi Drasche. Sci. Rep. Tôhoku Univ., Ser. 4, Vol. 16, No. 3, pp. 257–61.Google Scholar
Millar, R. H. 1951. The development and early stages of the ascidian Pyura squamulosa (Alder). J. Mar. biol. Ass. U.K., Vol. 30, pp. 27–31.Google Scholar
Sebastian, V. O., 1953. The development of Herdmaniapallida (Heller). Proc. Indian Acad. Sci. B, Vol. 37, pp. 174–87.Google Scholar