Notes on the Development of a Trilobite, Shumardia pusilla (Sars).
- 1 September 1926
- journal article
- Published by Oxford University Press (OUP) in Journal of the Linnean Society of London, Zoology
- Vol. 36 (244) , 345-372
- https://doi.org/10.1111/j.1096-3642.1926.tb02174a.x