Cyrtonellida

Cyrtonellida is a group of "monoplacophora", representing either a sister taxon to, or a polyphyletic assemblage including, the Trybliida.

Cyrtonellida
Temporal range: Cambrian–Devonian[1]
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
(unranked): Monoplacophora
Class: Tergomya
Order: Cyrtonellida
Horny, 1963[2]

Subtaxa

Genera
  • Aremellia
  • Hamusella
  • Tetamocornu
  • Yangtzeconus
  • Yochelsonia
gollark: Assuming these "military police" had higher standards than regular police now, would that still be the case if you scaled that system up to match all the ones they're replacing?
gollark: Members of parliament?
gollark: Whatever the cause actually is, I'm not sure there really is a hugely consistent one.
gollark: Destroying random people's stuff is unlikely to make anyone sympathetic to the cause.
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References

  1. Eric W. Holman (Autumn 1989). "Some Evolutionary Correlates of Higher Taxa". Paleobiology. 15 (4): 357–363. doi:10.1017/s0094837300009556. JSTOR 2400759.
  2. R. J. Horný. 1963. On the systematic position of cyrtonelloids (Mollusca). Časopis Národni Muzea - Oddíl přírodovĕdny 132(2):90-94


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