Robustum nodum

Robustum nodum
Temporal range: Ordovician
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Polyplacophora
Order: Paleoloricata
Family: Mattheviidae
Genus: Robustum nodum
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

  1. 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. JSTOR 1306279.
  2. 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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