Baird, W. (1868). Monograph on the species of worms belonging to the subclass Gephyrea; with a notice of such species as are contained in the collection of the British Museum. Proceedings of the Zoological Society of London. 1868: 76–114.
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Baird, W.
1868
Monograph on the species of worms belonging to the subclass Gephyrea; with a notice of such species as are contained in the collection of the British Museum
Baird, W., 1868. Monograph of the Species of Worms belonging to the subclass Gephyrea; with a Notice of such Species as are contained in the Collection of the British Museum. Proceedings of the Zoological Society of London, London. 1868: 76-114, pls. 9-11.
