Cyrtolitidae

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Cyrtolitidae
Temporal range: 488.3–383.7  Ma
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
(unranked): Monoplacophora
Class: Tergomya
Order:† Cyrtonellida
Family:† Cyrtolitidae
Miller, 1889 [1]

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

Contents

Genera

Related Research Articles

Strepsodiscus is an extinct genus of very primitive fossil snail-like molluscs from the early part of the Late Cambrian of North America. The coiled, slightly asymmetrical shells are about 3 cm in height. It is not known whether these are shells of gastropods or monoplacophorans, which are more primitive mollusks.

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

<i>Cyrtolites</i> Extinct genus of molluscs

Cyrtolites is an extinct genus of monoplacophorans in the family Cyrtolitidae.

References

  1. ↑ S. A. Miller. 1889. North American geology and palaeontology for the use of amateurs, students and scientists, pages 1-664


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