Figure 4 in A new species of rorqual whale (Cetacea, Mysticeti, Balaenopteridae) from the Late Miocene of the Southern North Sea Basin and the role of the North Atlantic in the paleobiogeography of Archaebalaenoptera

Figure 4 Transverse sections of the holotype skull of Archaebalaenoptera liesselensis. Transverse sections of the holotype skull of Archaebalaenoptera liesselensis. Sections 1 and 2 are done closely to the vertex and show the round transverse profile of the depression of the supraorbital process of the frontal. Sections 3, 4 and 5 are done across the temporal fossa and show the degree of overhanging of the temporal crest on the parietal. Not to scale. Photography: Jaap Van Leeuwen. Full-size DOI: 10.7717/peerj.8315/fig-4