Taxon - Links and literature
Paleobiology Database [19367]
Paleobiology Database [https://paleobiodb.org/] [as Clarella Howel, 1934]
Data retrieved on: 11 December 2015
The Interim Register of Marine and Nonmarine Genera [1430720]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Clarella Howell, 1934]
Data retrieved on: 8 December 2019
Jell P. A., Adrain J. M. (2002): Available generic names for trilobites, Memoirs of the Queensland Museum 48(2): 331-553. Brisbane. ISSN0079-8835. [as Clarella HOWELL, 1933]Data retrieved on: 11 October 2011