Kimberellomorpha
| Kimberellomorpha Temporal range: Ediacaran
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| File:Kimberella quadrata.jpg | |
| Kimberella | |
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| Class: | Kimberellomorpha
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| Synonyms | |
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Kimberia quadrata(synonym of Kimberella quadrata) | |
Kimberellomorpha(Erwin 2011) [1](kimberellomorphs) are a group of animals from the Ediacaran period. Kimberella is the type genus.[2][3][4][1][5][6][7]
Classification
Kimberellomorphs are generally considered Bilaterians, and sometimes stem Mollusks.[2]
Diet
Kimberellomorphs grazed on microbial mats, possible stomachs and grazing marks (Kimberichnus) support this interpretation.[1][2][5]
Kimberichnus from the Triassic period
Kimberichnus have been reported from the Triassic period, although they belong to some other kind of grazing animal.
Morphology
Kimberellomorphs have an oval shaped shell covered in tubercles. They have a Radula-like structure on a retractable proboscis. They are bilaterally symmetrical. In Solza the head is not obvious, which may be because the animal is in its shell.[1][2][4][5]
Kimberellomorph -like proarticulans
Some Proarticulata resemble kimberellomorphs, but they are not considered Kimberellomorphs due to glide symmetry.[2]
Genera
After Budd and Jensen (2017)[3]
- Kimberella[1] (species: K.quadrata, K.persii)
- Solza (may be a taphonomic variety of Kimberella)[2] (species: S.margarita)
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Erwin, Douglas (2011). "The Cambrian Conundrum:early divergence and later ecological success in the early history of animals". Science. 334 (6059): 1091–1097. Bibcode:2011Sci...334.1091E. doi:10.1126/science.1206375. PMID 22116879.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Bechly, Gunter (2020). "Kimberella a checkered history".
- ↑ 3.0 3.1 Budd, Graham E.; Jensen, Sören (2017). "The origin of the animals and a 'Savannah' hypothesis for early bilaterian evolution: Early evolution of the animals". Biological Reviews. 92 (1): 446–473. doi:10.1111/brv.12239. PMID 26588818.
- ↑ 4.0 4.1 4.2 Fendokin, Mikhail (2007). The rise of Animals :evolution and diversification of the kingdom Animalia. John Hopkins university press. Search this book on
- ↑ 5.0 5.1 5.2 Vaziri, Seyed Hamid; Majidifard, Mahmoud Reza; Laflamme, Marc (2018-03-22). "Diverse Assemblage of Ediacaran fossils from Central Iran". Scientific Reports. 8 (1): 5060. Bibcode:2018NatSR...8.5060V. doi:10.1038/s41598-018-23442-y. ISSN 2045-2322. PMC 5864923. PMID 29567986.
- ↑ McMenamin, Mark A. S. (2018). Deep Time Analysis: A Coherent View of the History of Life. Springer Geology Ser. Cham: Springer. ISBN 978-3-319-74255-7. Search this book on
- ↑ Paleontological Journal. Pleiades Publishing Ltd. Search this book on volume 38(1):1-9
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