Cyrtonellida

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

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

Contents

Subtaxa

Genera

Related Research Articles

Isospiridae is an extinct family of fossil sea snails, Paleozoic gastropod mollusks.

Cyrtolitidae is an extinct family of monoplacophorans in the order Cyrtonellida.

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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