The identity of Scolelepis squamata (O.F. Müller, 1806) (Spionidae) has long been under debate. For clarification of this problem a collection of Scolelepis specimens at the type locality of this spec
An unusual sterile, asexually reproducing crustose lichen was encountered during fieldwork in the Yukon Territory of Canada. Genus and family level placement of the taxon were precluded by a lack of b
Aeolidida is one of the largest clades of nudibranchs with at least 560 known species. However, its systematics has not been studied in a comprehensive manner. Phylogenetic analyses of larger clades s