Agnathans have distinct mouths: Myxini have biting mouths with eversible teeth, while Cephalaspidomorphi have sucker-like buccal funnels with toothed tongues.
Mund bei Agnathen: 1) Myxini: Zwei Reihen ausfahrbarer Zähne. Beißender Mund. 2) Cephalaspidomorphi: Zunge mit gut entwickelten Zähnen. Saugnapfähnlicher Mundtrichter (Buccal-Trichter).
| Front | Mouth in agnathas |
|---|---|
| Back | 1) Myxini: Two rows of eversible teeth Biting mouth 2)Cephalospidomorphi: Tongue with well-developed teeth Sucker-like oral disk (Buccal funnel) |
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