Anatomical cluster including hypurals 1 and 2 that supports part of the ventral principal caudal lepidotrichia or rays and that separates from the dorsal hypural set through the hypural diastema. The lower hypural set articulates or fuses to ural centra 1 and 2 (polyural terminology) or ural centrum 1 (diural terminology) depending on the teleost subgroup. The lower hypural set is composed of unpaired median bones. [ TAO:GA_TG TAO:wd ]
Synonyms: lower hypurals
Term information
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