Robustum nodum

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.

Robustum nodum

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.