oa African Zoology - Organisms associated with burrowing whelks of the genus Bullia

Volume 29, Issue 2
  • ISSN : 1562-7020
  • E-ISSN: 2224-073X



Organisms found associated with the psammophilic neogastropod Bullia include hydroids, a boring sponge and algae which grow on, and burrow into, the shell. The shell may also be the recipient of the egg capsules of other species of gastropods. Peridinian ciliates are commonly found attached in some numbers to the tentacles and an occasional rotifer occurs on the soft parts of the animal. The gut is rich in bacteria, some of which are symbiotic. Digenetic trematode larvae are the most common internal parasites and larval cestodes also occur. Preliminary descriptionptions are given of two apparently new trematode larvae and of a cestode cysticercoid. A nematode worm is occasionally present in the gut. The absence of external parasites is noted and it is suggested that the shells of the whelk represent a refuge for smaller organisms or their eggs in an unstable environment lacking geological diversity.

Loading full text...

Full text loading...


Article metrics loading...


This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error