Geraldinella

Geraldinella; Temporal range: Late Atdabanian
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	† Artiopoda
Class:	† Trilobita
Order:	† Redlichiida
Family:	† Archaeaspididae
Genus:	† Geraldinella ; Fritz, 1993

Last updated November 12, 2025

Geraldinella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the late Atdabanian stage,^[1] which lasted from 530 to 524 million years ago during the early part of the Cambrian Period.

References

1 2 Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 5–560. ISBN 978-0-87710-450-6.
↑ Fritz, W. H. (1993). "New Lower Cambrian olenelloid trilobite genera Cirquella and Geraldinella from southwestern Canada". Journal of Paleontology. 67 (5): 856–868. doi:10.1017/S0022336000037112.

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[Sepkoski_2002-1] 1 2 Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 5–560. ISBN 978-0-87710-450-6.

[Fritz-2] Fritz, W. H. (1993). "New Lower Cambrian olenelloid trilobite genera Cirquella and Geraldinella from southwestern Canada". Journal of Paleontology. 67 (5): 856–868. doi:10.1017/S0022336000037112.

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