Sigillaroid

English Alternative forms en sigillaroid en Sigillarioid, en sigillarioid Etymology From Sigillaria genus en oid. Adjective - Of, pertaining to, or having characteristics of the genus Sigillaria genus of extinct trees. en 1860 J. W. Dawson On a Terrestrial Mollusk, a Chilognathous Myriapod, and fome New Species of Reptiles, from the Coal-Formation of Nova Scotia: Proceedings of the Geographical Society: The Quarterly Journal of the Geological Society of London http://books.google.com.au/books?id=JljzAAAAMAAJ&pg=PA269&dq=%22sigillaroid%22&hl=en&sa=X&ei=T2IoUqe8IsXrlAXs2oCQCQ&redir_esc=y#v=onepage&q=%22sigillaroid%22&f=false 269 On microscopic examination, this mineral charcoal displays elongated wood-cells, some of them with the pores or discs in several rows, as in many Sigillaroid trees. en 1868 John William Dawson Acadian Geology 191 http://books.google.com.au/books?id=6_pLAAAAMAAJ&pg=PA191&dq=%22sigillaroid%22&hl=en&sa=X&ei=T2IoUqe8IsXrlAXs2oCQCQ&redir_esc=y#v=onepage&q=%22sigillaroid%22&f=false It is, however, possible that this older forest, represented by coaly stumps, may have consisted of Sigillaroid trees. en 1873 Philosophical Transactions of the Royal Society of London 162 http://books.google.com.au/books?id=Sow5AQAAMAAJ&q=%22sigillaroid%22&dq=%22sigillaroid%22&hl=en&sa=X&ei=T2IoUqe8IsXrlAXs2oCQCQ&redir_esc=y 227 In the latter plant, now well known to be a Sigillaroid root, we find no inner or medullary cylinder of vessels. en 1907 Gas Journal 97-98 http://books.google.com.au/books?id=LbIiAQAAMAAJ&q=%22sigillaroid%22&dq=%22sigillaroid%22&hl=en&sa=X&ei=T2IoUqe8IsXrlAXs2oCQCQ&redir_esc=y 345 Further, in the underclays it is quite a common thing to find a mass of clay literally crammed with ribbon-shaped markings of the roots of Sigillaroid plants. Synonyms of pertaining to, or having characteristics of Sigillaria en Sigillarian/sigillarian