part of part of basal fulcrum epaxial basal fulcrum dorsal basal fulcra Basal fulcrum that is positioned at the dorsal or anterodorsal margin of the caudal fin. Arratia, G. 2009. Identifying patterns of diversity of the actinopterygian fulcra. Acta Zoologica (Stockholm) 90 (Suppl. 1): 220-235. dorsal basal fulcrum UBERON:2002292 This class was sourced from an external ontology (teleost_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon epaxial basal fulcra caudal fin skeleton