Caudicaella

Caudicaella; Temporal range: Cambrian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Family:	† Sunellidae
Genus:	† Caudicaella
Species:	†C. bispinata
Binomial name
	†Caudicaella bispinata; (Cui & Huo, 1990)
Synonyms
	Sunella bispinata Cui & Huo 1990; Isoxys bispinata Zhang et al 2018;

Last updated October 28, 2025

Caudicaella is a genus of arthropods in the family Sunellidae.^[1] It used to be classified as Sunella bispinata but was moved to a new genus in 2021.^[2]

Distribution

Caudicaella has been found in the Shuijingtuo formation in China ^[2]^[1], and the Heatherdale formation in Australia.^[3]^[1]

References

1 2 3 Collantes, Luis; Pates, Stephen. "Isoxys carbonelli and the palaeoenvironmental disparity of Isoxys during Cambrian Stage 3". Historical Biology. 0 (0): 1–9. doi:10.1080/08912963.2025.2529395. ISSN 0891-2963.
1 2 Sun, Ao. "Taxonomy and ontogeny of bivalved arthropods from the lower member of the Shuijingtuo Formation, Series 2 and Stage 3, Eastern Three Georges Area, South China". Acta Palaeontologica Sinica. doi:10.19800/j.cnki.aps.2021019.
↑ Chen, Fei-Yang; Betts, Marissa J.; Zhang, Zhi-Liang; Brock, Glenn A. (2025-06-01). "The bivalved arthropod Caudicaella aff. bispinata from the Heatherdale Shale (Cambrian Stage 3), South Australia" . Palaeoworld. 34 (3): 100882. Bibcode:2025Palae..3400882C. doi:10.1016/j.palwor.2024.09.006. ISSN 1871-174X.

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[:0-1] 1 2 3 Collantes, Luis; Pates, Stephen. "Isoxys carbonelli and the palaeoenvironmental disparity of Isoxys during Cambrian Stage 3". Historical Biology. 0 (0): 1–9. doi:10.1080/08912963.2025.2529395. ISSN 0891-2963.

[:2-2] 1 2 Sun, Ao. "Taxonomy and ontogeny of bivalved arthropods from the lower member of the Shuijingtuo Formation, Series 2 and Stage 3, Eastern Three Georges Area, South China". Acta Palaeontologica Sinica. doi:10.19800/j.cnki.aps.2021019.

[3] Chen, Fei-Yang; Betts, Marissa J.; Zhang, Zhi-Liang; Brock, Glenn A. (2025-06-01). "The bivalved arthropod Caudicaella aff. bispinata from the Heatherdale Shale (Cambrian Stage 3), South Australia" . Palaeoworld. 34 (3): 100882. Bibcode:2025Palae..3400882C. doi:10.1016/j.palwor.2024.09.006. ISSN 1871-174X.

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