title: Polymorphism of the surface sculpture of placoid scales of sharks (Selachomorpha, Elasmobranchii).
authors.affiliation: Severtsov Insitute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia.
authors.forename: O F
authors.initials: OF
authors.lastname: Chernova
authors.forename: E I
authors.initials: EI
authors.lastname: Vorob'eva
mesh_terms: D000818:Animals; D008953:Models, Anatomic; D012754:Sharks / Q000033:anatomy & histology* / Q000145:classification; D012867:Skin / Q000648:ultrastructure*; D013045:Species Specificity