Velumbrella

Velumbrella; Temporal range: Middle Cambrian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
(unranked):	Eldoniida?
Genus:	Velumbrella; Stasińska 1960
Species:	V. czarnockii

Velumbrella is a medusoid organism with tentacles[1] known from the Middle Cambrian of Poland, and perhaps related to Rotadiscus; the fossils depict a scleritosed disk with a U-shaped gut.[2] It was originally related to members of the Ediacara biota[3] but is now thought to be related to the paropsonemids.[4]

References

Dzik, J. (1991). "Is fossil evidence consistent with traditional views of the early metazoan phylogeny?". In Conway Morris, S.; Simonetta, A. (eds.). The Early Evolution of Metazoa and Significance of Problematic Taxa (PDF). Cambridge University Press. pp. 47–56.
Masiak, M.; Żylińska, A. (1994). "Burgess Shale-type fossils in Cambrian sandstones of the Holy Cross Mountains". Acta Palaeontologica Polonica. 39 (4): 329–340.
Stasińska, A. (1960). "Velumbrella czarnockii n. gen., n. sp. - Meduse du Cambrien Inferieur des Monts de Sainte-Croix" (PDF). Acta Palaeontologica Polonica. 5 (3): 337–346.
Zhu, M. (2002). "Révision des animaux discoïdes cambriens Stellostomites eumorphus et Pararotadiscus guizhouensis de Chine du Sud". Geobios. 35 (2): 165. doi:10.1016/S0016-6995(02)00025-6.

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[Dzik1991-1] Dzik, J. (1991). "Is fossil evidence consistent with traditional views of the early metazoan phylogeny?". In Conway Morris, S.; Simonetta, A. (eds.). The Early Evolution of Metazoa and Significance of Problematic Taxa (PDF). Cambridge University Press. pp. 47–56.

[2] Masiak, M.; Żylińska, A. (1994). "Burgess Shale-type fossils in Cambrian sandstones of the Holy Cross Mountains". Acta Palaeontologica Polonica. 39 (4): 329–340.

[3] Stasińska, A. (1960). "Velumbrella czarnockii n. gen., n. sp. - Meduse du Cambrien Inferieur des Monts de Sainte-Croix" (PDF). Acta Palaeontologica Polonica. 5 (3): 337–346.

[4] Zhu, M. (2002). "Révision des animaux discoïdes cambriens Stellostomites eumorphus et Pararotadiscus guizhouensis de Chine du Sud". Geobios. 35 (2): 165. doi:10.1016/S0016-6995(02)00025-6.