Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleA New Interpretation of the Internal Anatomy of the Heterostraci (Agnatha).AuthorsHALSTEAD TARLO, L. B.; WHITING, H. P.PublicationNature, 1965, Vol 206, Issue 4980, p148ISSN0028-0836Publication typeArticleDOI10.1038/206148a0