Larval trematodes: double infections in common mud-flat snail.
Larvae of the trematode Zoogonus lasius are involved in most double infections of Nassarius obsoleta. The two most common trematode parasites of this snail do not occur together in double infections. Double infections were found in 14 of 340 infected snails in a total sample of 5025 snails.
D000818:Animals; D008675:Metamorphosis, Biological; D009657:North Carolina; D012908:Snails; D014200:Trematoda / Q000302:isolation & purification*; D014201:Trematode Infections / Q000209:etiology*