An elongate lateral process ventrally placed to the proximal region of the pleurostyle. The pseudourostyle is paired.
Comment:
The pseudourostyle occurs only in certain teleost subgroups. It may be well developed in certain characiforms.; [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"}