gonads, mouth and digestive structures of central disk
BIODIDAC (copyright holder)
The copying of material, either with modifications or adaptations, and its subsequent distribution, is permitted with three conditions: that it is not used for commercial purposes, that the source of the material is clearly indicated, and that its use is recorded in such a way that BIODIDAC can provide documentation to the sponsors of the project. [Aiming for CC BY-NC-SA 3.0]
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To cite this page: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2019. The Animal Diversity Web (online). Accessed at https://animaldiversity.org.
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