Cyrtonellida
| Cyrtonellida Temporal range: Cambrian–Devonian[1] | |
|---|---|
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.
References
- ↑ Eric W. Holman (Autumn 1989). "Some Evolutionary Correlates of Higher Taxa". Paleobiology. 15 (4): 357–363. doi:10.2307/2400759. JSTOR 2400759.
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