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biology imaging notes

The penis worm

Luckily enough, the magnificent “penis worm” has no penis #priapulida

The penis worm (Priapulida).
Adult specimen of the priapulid Priapulus caudatus collected in Sweden.

By Bruno C. Vellutini

Evolutionary biologist interested in embryos and larvae of marine invertebrates.

7 replies on “The penis worm

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  • doc arthur antebury
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  • 🏳️‍🌈Dr. Meredith L. Chivers (she/her)
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