Cooperative Interactions and Environmental Control in the Intertidal Clustering of Nerita Textilis (Gastropoda; Prosobranchia)
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The development of isolated blastomeres in Bithynia tentaculata (Prosobranchia, Gastropoda).
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متن کاملThe Evolution of Kidney Function in the Neritacea (gastropoda, Prosobranchia)
Gastropod molluscs of the superfamily Neritacea (or order Neritacea: see Morton & Yonge, 1964) are found in marine, freshwater and terrestrial environments; but despite these wide differences in habitat the general anatomical organization is similar in all the members of the group. In particular the organization of the renal system appears to be very similar in marine and freshwater species, an...
متن کاملSpermiogenesis in the vermetid gastropod Dendropoma petraeum (Gastropoda, Prosobranchia).
The structure and maturation of the male gonad of the Mediterranean vermetid gastropod Dendropoma petraeum are described. Histological sections of the gonads were made throughout development and gonad activity was monitored at regular monthly intervals. During the autumn months the gonad is very small and is surrounded by a large quantity of connective tissue; it becomes more voluminous from De...
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ژورنال
عنوان ژورنال: Behaviour
سال: 1984
ISSN: 0005-7959,1568-539X
DOI: 10.1163/156853984x00597