Prototreta flabellata

Prototreta flabellata; Temporal range: Middle Cambrian, 540–490 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Brachiopoda
Genus:	Protreta
Species:	P. flabellata
Binomial name
	Protreta flabellata;

Last updated December 28, 2025

Prototreta flabellata is one of several species of brachiopod that occur in the Cambrian rocks of central and southern Montana, Nixon Gulch section, Three Forks Quad.^[1] It is associated with the trilobite genus Ehmania near the base of the Middle Cambrian Meagher limestone.^[2]

References

↑ Xian-Guang, Hou; Siveter, David J.; Siveter, Derek J.; Aldridge, Richard J.; Pei-Yun, Cong; Gabbott, Sarah E.; Xiao-Ya, Ma; Purnell, Mark A.; Williams, Mark (2017-03-08). The Cambrian fossils of Chengjiang, China : the flowering of early animal life. Hou, Xianguang. (Second ed.). Chichester, West Sussex. ISBN 9781118896310. OCLC 970396735.{{cite book}}: CS1 maint: location missing publisher (link)
↑ Bell, W. Charles (1941). "Cambrian Brachiopoda from Montana". Journal of Paleontology. 15 (3): 193–255. JSTOR 1298891.

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[1] Xian-Guang, Hou; Siveter, David J.; Siveter, Derek J.; Aldridge, Richard J.; Pei-Yun, Cong; Gabbott, Sarah E.; Xiao-Ya, Ma; Purnell, Mark A.; Williams, Mark (2017-03-08). The Cambrian fossils of Chengjiang, China : the flowering of early animal life. Hou, Xianguang. (Second ed.). Chichester, West Sussex. ISBN 9781118896310. OCLC 970396735.{{cite book}}: CS1 maint: location missing publisher (link)

[2] Bell, W. Charles (1941). "Cambrian Brachiopoda from Montana". Journal of Paleontology. 15 (3): 193–255. JSTOR 1298891.

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