infraorbital 1 suborbital lacrymal bone lacrimal bone lachrymal Suborbital and infraorbital 1 are synonymized by some authors (e.g., Cuvier), however, a suborbital bone in fishes has a different meaning than an infraorbital 1; it is a bone(s) that it is placed between the postero-dorsal infraorbitals and preopercle. A suborbital (also named postorbital by some authors) is not present in extant teleosts with the exception of Arapaima where it is occasionally present. Suborbital bones are found in some fossil basal teleosts. [G. Arratia] lacrymal lachrymal bone UBERON:2000223 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 ZFA:0000223 Infraorbital in fishes that is the first (anteriormost) bone of the infraorbital series. infraorbital