FORUM A QUANTUM LEAP FOR THE COLLEMBOLA? BY PETER N. LAWRENCE 1,2 ) 9 Weald Close, Bromley Common, Kent BR2 8PD, United Kingdom Following the bold new heading in Crustaceana of FORUM, to give ideas neither proven nor refuted a chance of being communicated to the scientific community, an article was published in this journal under the title, “From whence and whither the Collembola?” (Lawrence, 1999b). This paper suggested that the order Collembola should be removed from the Insecta and incorporated in the class Crustacea, more specifically in close proximity to the order Amphipoda. Although the morphology of the collembolan head capsule and an outline of the (dis)similarities in phylogenetically relevant DNA sequences are areas in which investigations still need to be made, five years have passed without any evidence denouncing the plausibility of the proposed change of class having been brought forward. In the meantime, supposedly positive evidence of a re-established and novel nature has been gathered and is herein exposed. SYSTEMS SHOWING SIMILARITIES As elaborated earlier (Lawrence, 1999b) various parts of collembolan morphol- ogy may well be interpreted in such a way as to become directly comparable to structures observed in amphipod crustaceans, in particular in
Crustaceana – Brill
Published: Jan 1, 2004
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