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On Coitocaecum Anaspidis SP.Nov., A Trematode Exhibiting Progenesis in the Fresh-Water Crustacean Anaspides tasmaniae Thomson

Published online by Cambridge University Press:  06 April 2009

V. V. Hickman
V. V. Hickman
Affiliation:
Ralston Lecturer in Biology, University of Tasmania
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Extract

1. Coitocaecum anaspidis sp.nov. is a Trematode which exhibits precocious genital activity whilst encysted as a metacercaria in the Tasmanian Mountain Shrimp, Anaspides tasmaniae Thomson.

2. Eggs are laid by the Trematode whilst in the encysted condition, and in some cases the eggs hatch in the cyst giving rise to miracidia which swim freely in the contained fluids.

3. Two hundred specimens of Anaspides tasmaniae were examined and one hundred and twenty-seven found to contain the encysted Trematode.

4. A systematic description of the Trematode is given.

Type
Research Article
Information
Parasitology , Volume 26 , Issue 1 , April 1934 , pp. 121 - 128
Copyright
Copyright © Cambridge University Press 1934

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