F. T.  Krell, ?Southern African dung beetles (Coleoptera : Scarabaeidae) attracted by defensive secretions of Diplopoda?, African Entomology, vol. 7, pp. 287-288, 1999.

F. T.  Krell, ?Impact factors aren't relevant to taxonomy?, Nature, vol. 405, pp. 507-508, 2000.

F. T.  Krell, ?Parataxonomy vs. taxonomy in biodiversity studies - pitfalls and applicability of 'morphospecies' sorting?, Biodiversity and Conservation, vol. 13, pp. 795-812, 2004.

F. T.  Krell, Schmitt, T., Dembele, A., and Linsenmair, K. E., ?Repellents as attractants - extreme specialization in afrotropical dung beetles (Coleoptera: Scarabaeoidea) as a competition avoiding strategy?, Zoology, vol. 101, p. 12, 1998.

F. T.  Krell, Schmitt, T., and Linsenmair, K. E., ?Diplopod defensive secretions as attractants for necrophagous scarab beetles (Diplopoda; Insecta, Coleoptera : Scarabaeidae)?, Entomologica Scandinavica, pp. 281-285, 1997.

A.  Pfrommer and Krell, F. T., ?Who steals the eggs? Coprophanaeus telamon (Erichson) buries decomposing eggs in western Amazonian rain forest (Coleoptera : Scarabaeidae)?, The Coleopterists Bulletin, vol. 58, pp. 21-27, 2004.

T.  Schmitt, Krell, F. T., and Linsenmair, K. E., ?Quinone mixture as attractant for necrophagous dung beetles specialized on dead millipedes?, Journal of Chemical Ecology, vol. 30, pp. 731-740, 2004.