Class Polyplacophora Scientific name Robustum nodum | Genus †Robustum nodum Rank Species | |
Similar Matthevia, Megaphobema robustum, Hyolitha, Monoplacophora, Saccharum spontaneum | ||
Robustum nodum is the one species of a problematic genus of Ordovician hemithecellid mollusc proposed by Stinchcomb and Darrough in 1995. Its similarities to Matthevia were outlined by Vendrasco & Runnegar.
References
Robustum nodum Wikipedia(Text) CC BY-SA