Phallomedusa Solida Phallus

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A common Sydney mangrove snail has been recently named by taxonomist Rosemary Golding after the shape of it’s phallus, which as it’s name says, looks like a medusa head.

My question when I look at this images under the electronic microscope is: Why so much complexity???

Specimen from the collection of the Australian Museum, microscopist Sue Lindsday