Sigillaroid

== English == === Alternative forms === sigillaroid Sigillarioid, sigillarioid === Etymology === From Sigillaria +‎ -oid. === Adjective === Sigillaroid (not comparable) Of, pertaining to, or having characteristics of the genus Sigillaria of extinct trees. ==== Synonyms ==== (of pertaining to, or having characteristics of Sigillaria): Sigillarian/sigillarian