Caullery, Maurice; Mesnil, Felix. (1897). On Spirorbis: Asymmetry of these annelids and phylogenic connexion [sic] of species in the genus. [Translation of "Sur les Spirorbis asymetrie de ces Annelides et enchainement phylogenique des especes du genre"]. Annals and Magazine of Natural History (Series 6). 19: 411-413.
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Caullery, Maurice; Mesnil, Felix
1897
On Spirorbis: Asymmetry of these annelids and phylogenic connexion [sic] of species in the genus. [Translation of "Sur les Spirorbis asymetrie de ces Annelides et enchainement phylogenique des especes du genre"]
