Prototreta flabellata

Prototreta flabellata; Temporal range: Middle Cambrian,
Scientific classification
Kingdom:	Animalia
Phylum:	Brachiopoda
Genus:	Protreta
Species:	P. flabellata
Binomial name
	Protreta flabellata;

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.

[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.

[1]

[2]