Ehmaniella
| Ehmaniella Temporal range: Burgess Shale | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Trilobita |
| Order: | Ptychopariida |
| Family: | Alokistocaridae |
| Genus: | Ehmaniella |
Ehmaniella is a genus of trilobite known from the Middle Cambrian Burgess Shale. 392 specimens of Ehmaniella are known from the Greater Phyllopod bed, where they comprise .74% of the community.[1] Its major characteristics are a wide cranidium, heavy eye ridges, longitudinal striae on the pre-glabellar area, and a small pygidium with few segments.[2]
External links
- "Ehmaniella burgessensis". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011.
References
- ↑ Caron, Jean-Bernard; Jackson, Donald A. (October 2006). "Taphonomy of the Greater Phyllopod Bed community, Burgess Shale". PALAIOS 21 (5): 451–65. doi:10.2110/palo.2003.P05-070R. JSTOR 20173022.
- ↑ Coppold, Murray and Wayne Powell (2006). A Geoscience Guide to the Burgess Shale, p.56. The Burgess Shale Geoscience Foundation, Field, British Columbia. ISBN 0-9780132-0-4.
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