Raymondinidae

Raymondinidae Temporal range: Middle and Upper Cambrian PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Ptychopariida
Superfamily:	Raymondinacea
Family:	Raymondinidae
subfamilies
Raymondininae Cedariniinae Llanoaspidinae

Raymondinidae are the only family in the trilobite superfamily Raymondinacea, which lived during the Middle and Upper Cambrian.

Taxonomy

The Raymondinidae consists of three subfamilies, but is assumed to be polyphyletic.^[1]

Raymondininae (= Pilgrimiidae)

Raymondina, Amquia, Exigua (= Brassicicephalus), Llanoaspidella, Paracedaria

Cedariniinae

Cedaria, Cedarina

Llanoaspidinae

Llanoaspis, Arcuolimbus, Genevievella, Metisaspis

References

↑ Moore, R.C. (1959). Arthropoda I - Arthropoda General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha. Treatise on Invertebrate Paleontology. Part O. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. pp. O298–O301. ISBN 0-8137-3015-5.

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