Ascaridida

Females of the roundworm of man ( Ascaris lumbricoides )

Roundworms ( Ascaridida ) are an order of nematodes. Their representatives are parasitic in the intestines of vertebrates and have a spindle-shaped body with a length of up to 50 cm. The mouth has three papillentragende lips. The esophagus is cylindrical or club-shaped and can have attachments. The intestine has in some taxa in the initial region also attachments. Kaudalflügel are not trained or at most indicated.

System

Families and selected representatives are:

• Acanthocheilidae
• Anisakidae (ascarids in marine mammals )
• Ascarididae Ascaris lumbricoides ( roundworm of humans)
• Ascaris suum ( Schweinespulwurm )
• Toxascaris leonina ( roundworm in dogs and cats)

• Toxocara canis ( Hundespulwurm )
• Toxocara mystax ( Katzenspulwurm )