The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Guidetti, Roberto, and Roberto Bertolani. 2005. Tardigrade taxonomy: an updated check list of the taxa and a list of characters for their identification. Zootaxa, issue 845. 1-46
- Schuster, R. O., D. R. Nelson, A. A. Grigarick, and D. Christenberry. 1980. Systematic Criteria of the Eutardigrada. Transactions of the American Microscopical Society, vol. 99, no. 3. 284-303
- WoRMS (2014). Apochela. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=342524
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