| Monomorphichnus Temporal range: | |
|---|---|
Trace fossil classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita (?) |
| Ichnogenus: | †Monomorphichnus Crimes 1970[1] |
Monomorphichnus is an arthropod trace fossil known from the base of the Cambrian period onwards, before the first trilobite fossils.[2]
References
- ↑ D. Fillion and R. K. Pickerill. 1990. Ichnology of the Upper Cambrian? to Lower Ordovician Bell Island and Wabana groups of eastern Newfoundland, Canada. Palaeontographica Canadiana 7:1-119
- ↑ Jensen, Sören; Mens, Kaisa (2001). "Trace fossils Didymaulichnus cf. tirasensis and Monomorphichnus isp. from the Estonian Lower Cambrian, with a discussion on the Early Cambrian ichnocoenoses of Baltica" (PDF). Proc. Estonian Acad. Sci. Geol. 50 (2): 75–85. Archived (PDF) from the original on 2010-12-27. Retrieved 2009-05-11.
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