| Robustum nodum Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Polyplacophora |
| Order: | †Paleoloricata |
| Family: | †Mattheviidae |
| Genus: | †Robustum |
| Species: | †R. nodum |
| Binomial name | |
| †Robustum nodum Stinchcomb and Darrough, 1995 | |
Robustum nodum is the one species of a problematic genus of Ordovician hemithecellid mollusc proposed by Stinchcomb and Darrough in 1995.[1] Its similarities to Matthevia were outlined by Vendrasco & Runnegar.[2]
References
- ↑ Stinchcomb, B. L.; Darrough, G. (1995). "Some Molluscan Problematica from the Upper Cambrian. Lower Ordovician of the Ozark Uplift". Journal of Paleontology. 69 (1): 52–65. doi:10.1017/S0022336000026913. JSTOR 1306279.
- ↑ Vendrasco, Michael J.; Runnegar, Bruce (2004). "Late Cambrian and Early Ordovician Stem Group Chitons (Mollusca: Polyplacophora) from Utah and Missouri". Journal of Paleontology. 78 (4): 675. doi:10.1666/0022-3360(2004)078<0675:LCAEOS>2.0.CO;2.
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