Publication Date:
1963-01-01
Description:
SynopsisA Stem of Stenomyelon tuedianum Kidston is described with the base of a petiole of Kalymma tuediana Calder attached to it.Two new species of Stenomyelon are described—Stenomyelon heterangioides, characterized by interspersed xylem parenchyma and mesarch protoxylem, and Stenomyelon primaevum distinguished by a solid tri-radiate protostele lacking parenchyma bands. The possible external features of Stenomyelon are compared with a compression of a Pteridosperm with large fronds.
Print ISSN:
1755-6910
Electronic ISSN:
1755-6929
Topics:
Geosciences