Parastemmiulus
... that the extinct millipede Parastemmiulus was the first definite genus in the family Stemmiulidae described from a fossil?
... that the extinct <a href="./Millipede" id="mwCTI" rel="mw:WikiLink" title="Millipede">millipede</a> <i id="mwCTM"><b id="mwCTQ"><a href="./Parastemmiulus" id="mwCTU" rel="mw:WikiLink" title="Parastemmiulus">Parastemmiulus</a></b></i> was the first definite genus in the family <a href="./Stemmiulidae" id="mwCTY" rel="mw:WikiLink" title="Stemmiulidae">Stemmiulidae</a> described from a fossil?