Cyrtonellida
| Cyrtonellida Temporal range: Cambrian–Devonian |
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|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| (unranked): | Monoplacophora |
| Class: | Tergomya |
| Order: |
†Cyrtonellida Horny, 1963 |
Cyrtonellida is a group of "monoplacophora", representing either a sister taxon to, or a polyphyletic assemblage including, the Trybliida.
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