Anatomical cluster that consists of the anteriormost vertebrae and associated structures that connect the swim bladder to the inner ear.
Comment:
Vertebra 1-4, and sometimes vertebra 5 in some catfishes, are part of the Weberian apparatus. Weberian apparatus is present in Otophysi.; [provenance-note] "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" xsd:string {source="http://purl.obolibrary.org/obo/tao.owl"}