Toxascaris leonina, a common parasitic roundworm species found in dogs, cats, foxes and related host species
Toxascaris leonina | Melibe leonina | Marine protected areas are one way to guard kelp forests as an ecosystem. The nudibranch ''Melibe leonina |
Nitroscanate (trade name Lopatol) is an anthelmintic drug used in veterinary medicine to treat Toxocara canis, Toxascaris leonina, Ancylostoma caninum, Uncinaria stenocephalia, Taenia, and Dipylidium caninum (roundworms, hookworms and tapeworms).