subcaudal
/ˌsʌbˈkaʊdəl/Definitions
1. adjective
Relating to or situated below the caudal region, especially of an animal.
“The subcaudal vertebrae of the lizard were particularly interesting to study.”
2. noun
A part or region situated below the caudal region, especially of an animal.
“The subcaudal fins of the fish helped it to maneuver through the water.”