11. Larvae of species in this genus are characterized by an anal segment with retractile posterior prolegs. 12. Retractile testes are more common than truly undescended testes and do not need to be operated on.13. There are no mantle papillae in front of the non-lamellate, non-retractile rhinophores. 14. The prostomium bears eyes, two pairs of antennae and a pair of large retractile nuchal organs. 15. The red panda is specialized as a bamboo feeder with strong, curved and sharp semi-retractile claws 16. In contrast, most caniforms are terrestrial, have non-retractile claws and tend to be plantigrade. 17. A retractile testis high in the scrotum can be difficult to distinguish from a position in the lower inguinal canal. 18. They have eight arms but lack feeding tentacles, and instead use two retractile filaments in order to capture food. 19. Many feliforms have retractile ( retractable ) or semi-retractile claws and many are arboreal or semi-arboreal. 20. Many feliforms have retractile ( retractable ) or semi-retractile claws and many are arboreal or semi-arboreal.
